Friday, February 29, 2008

Denture Cleanser Allergic Reactions and Misuse

February 14, 2008

Dear Healthcare Provider:

This is to alert you to the risk of allergic reactions in users of denture cleansers, and the risks of misusing these products. The FDA has received at least 73 reports of adverse events, including at least one death, related to the use of denture cleansers. These adverse events have occurred both when the product has been used properly as well as from improper use. The allergic reactions can occur soon after the patient begins using the product, or after years of use.
Nature of the Problem

The literature and research suggest that the ingredient in denture cleansers responsible for these reactions is persulfate, a known allergen. Persulfates are used in most denture cleansers to help clean and bleach the dentures.

In addition to reports of allergic reactions, FDA has also received reports of severe adverse events, including at least one death, resulting from misuse of the product. Some patients have gargled or swallowed it, resulting in abdominal pain, vomiting, seizures, hypotension and difficulty breathing.

* Be aware that patients who wear dentures may present with symptoms of an allergic reaction, and that the denture cleanser may be the cause of the reaction.
* Educate your patients and their caregivers about the symptoms of an allergic reaction to persulfates in the denture cleanser. These symptoms can include irritation, tissue damage, gum tenderness, rash, urticaria, respiratory conditions and hypotension.
* Educate your patients and their caregivers about the proper use of denture cleansers. Even though the product labeling may mention mouthwash as an ingredient, the product should NEVER be ingested. Ingestion can result in esophageal ulcers, abdominal pain, vomiting, burns, irritation, breathing problems, hypotension, seizures, gum tenderness, bleaching of tissue, and blood in the urine.

Additionally, an accompanying Advice for Patients document can be found on the FDA website at
FDA Actions

FDA is recommending that all manufacturers of denture cleansers modify their labeling to include warning information that the product contains persulfates, which are a known allergen, and to improve the directions for use on their labeling in order to reduce misuse. We are also recommending manufacturers consider appropriate alternatives to use of persulfates. We believe these actions will minimize the risk of adverse reactions.
Reporting Adverse Events Related to Denture Cleansers

We encourage you to report adverse events related to denture cleansers, whether caused by an allergic reaction or misuse. You can report cases directly to the device manufacturer or to MedWatch, FDA’s voluntary reporting program. This can be done on line at, by phone at 1-800-FDA-1088, by fax at 1-800-FDA-0178, or by returning the postage-paid FDA form 3500 which may be downloaded from You can also report by mail to MedWatch, 5600 Fishers Lane, Rockville, MD 20852-9787.
Contacting FDA

If you have questions about this notification, please contact Nancy Pressly, Office of Surveillance and Biometrics (HFZ-510), 1350 Piccard Drive, Rockville, Maryland, 20850, Fax at 240-276-3356, or by e-mail at You may also leave a voice mail message at 240-276-3357 and we will return your call as soon as possible.

FDA medical device Public Health Notifications are available on the Internet at You can also be notified through email on the day the safety notification is released by subscribing to our list server. To subscribe, visit:

Sincerely yours,

Daniel G. Schultz, MD
Center for Devices and Radiological Health
Food and Drug Administration

Thursday, February 28, 2008

Lava™ Scan ST Design System to work with other technologies and/or systems

ST. PAUL, Minn. – (Feb. 21, 2008) – 3M ESPE announces its strategic intent to further expand the Lava™ platform to provide multiple materials and indications for lab and dentist customers—including
wax/resin patterns, laser-sintered metal and custom implant abutment solutions. To meet this goal, the company will “selectively open” the Lava™ Scan ST Design System so it can work as the front-end to other production systems.
“Our lab and dentist customers trust the quality that comes with the Lava™ brand, so we feel a deep sense of responsibility to qualify vendors and systems we select to work with the Lava™ platform,” says Dan McMaster, marketing manager, 3M ESPE. “We also know that dental laboratories increasingly demand flexibility and options, and this strategy allows us to meet both of these needs.”
3M ESPE has begun its qualification and interconnectivity process with manufacturers of additive technologies such as wax/resin pattern printing and metal laser-sintering. Labs investing in qualified manufacturer’s equipment may contact 3M ESPE for authorization to interconnect with Lava Scan ST Design Systems. This enables these labs to join the secure Lava Connect network where they can be seen and selected as an authorized supplier to Lava Milling and Design Centers. 3M ESPE anticipates the first of these solutions, for PFM, to be available early in 2008. Custom implant abutment solutions are anticipated to follow.
For more information visit or call 1-800-634-2249.

Wednesday, February 27, 2008

3M ESPE Introduces Improved Speed and Efficiency in Automatic Mixing

Next generation Pentamix™ 3 Automatic Mixing Unit offers improved handling at twice the speed

ST. PAUL, Minn. – (Feb. 21, 2008) – 3M ESPE announces the introduction of the Pentamix™ 3 Mixing Unit, the latest state-of-the-art automatic mixing unit, featuring faster speeds and a smaller footprint than any other automatic mixing and dispensing system in the industry. Boasting twice the speed of the Pentamix™ 2 Automatic Mixing Unit, the Pentamix 3 mixing unit offers the ability to utilize a broad range of material viscosities, especially quick setting materials, and consistently provides homogenous, void-free automatic mixing at the touch of a button.
“The Pentamix 3 mixing unit enables dentists and assistants to achieve a consistent high-standard of care and accuracy,” said Sean Regan, market development supervisor, 3M ESPE. “A faster mix allows for increased working time and less distortion of the impression, reducing stress and benefiting everyone from patients to the dental and lab professionals.”
The new high-tech design and easy-to-use features of the Pentamix 3 mixing unit ensure accurate dispensing of the materials and comfortable handling for users. New PentaTM cartridges for Pentamix 3 mixing unit feature product names, working times and setting times printed on the cartridge lever for clear visibility when the device cover is closed, reducing the potential for error and waste. With a more compact, streamlined design, the Pentamix 3 mixing unit requires less valuable counter space than other automatic mixing units, and may be wall-mounted.
3M ESPE impression materials offer the highest quality and consistency with a history of proven products you can trust for virtually any indication or technique. Capture an accurate problem-free impression the first time, with the help of 3M ESPE, a trusted company and worldwide leader in impression solutions.
For more information visit or call 1-800-634-2249.

Tuesday, February 26, 2008

Lead Contamination in Off Shore Dental Laboratory Restorations

Feb. 26, 2008

Recently, NADL was contacted by a dental patient in Ohio who has documentation of lead contamination in her dental restoration. The affected patient, a senior citizen, received a three-unit dental bridge from a dentist in Ohio. After having an adverse reaction to her dental work, and having it removed, the dentist disclosed that the prescription was sent to an offshore dental laboratory and disclosed to the patient that the restoration was made in China. The patient then had the restoration sent to a chemical laboratory for analysis. The documentation of the dental material analysis of this patient’s restoration showed unsafe levels of lead in the porcelain on the restoration.

This case has attracted the attention of an Ohio television reporter who was already working on a story about offshore dental laboratory work. As part of the reporter’s investigative research for the story, the TV station ordered a series of crowns from several offshore dental laboratories. One of those restorations contained 210 parts per million of lead in the materials. The U.S. Congress, in response to the toy recalls in 2007, lowered the acceptable levels of lead in toys to 90 parts per million.

The testing of these restorations for the reporter’s investigation was conducted by a chemical research laboratory in Ohio and, at the suggestion of NADL, at the Boston University School of Dental Medicine. In addition to the documentation of lead, the chemical analysis revealed the restoration contains traces of radioactive isotopes.

The reporter contacted NADL and interviewed co-executive director, Bennett Napier, CAE, for this story. Others interviewed include the attorney for the patient in Ohio; a lead expert; a spokesperson from the Ohio Dental Board, a Columbus dentist and laboratory owners from central Ohio. The TV report contains position statements or quotes from the American Dental Association and the U.S. Food and Drug Administration.

WBNS 10 TV in Columbus, Ohio, will broadcast this story Wednesday. You can view the full investigative report Wednesday evening at the station’s Web site The owners of the regional television station also own the Columbus Dispatch, the local daily newspaper. An article about the story will be run in that paper’s Thursday, February 28th edition.

It is likely that with the significance of this story it may be picked up by other media outlets in large metropolitan areas by the end of this week and possibly may be picked by national news media outlets as well.

NADL’s Position:

NADL has worked with the U.S. Food and Drug Administration to promote patient safety and ensure laboratories have a voice in any regulation of the industry. NADL is on record supporting regulations that assure patients their restorations are safe for use, regardless of where they are manufactured. NADL’s position has been presented consistently to the American Dental Association since 2003.

The National Association of Dental Laboratories believes that every dental patient has a reasonable expectation that the dental restoration placed in his or her mouth is safe, regardless of where it is manufactured. Therefore, in an attempt to provide the necessary documentation for disclosure as well as to document competency, the NADL strongly supports the following:

* The necessity of at least one Certified Dental Technician (CDT) in each dental laboratory.
* The necessity that all dental laboratories register with either the U.S. Food and Drug Administration or an appropriate state governmental agency.
* The written documentation of all materials included in a final restoration and the point of origin (country and laboratory) where the restoration was manufactured.
* The necessity that each of these items be documented in the patient’s record.

Additional Information:

NADL informed the American Dental Association’s executive leadership so they could tell their members about this pending story and possible outcomes including the public’s response.

The ADA will be sending out an alert to its members this week sharing guidance about what questions to ask dental laboratories relative to outsourcing activity and statements of assurance on material content of dental restorations. NADL member’s laboratories should be prepared for such requests.

Additionally, it is expected that state dental societies will be discussing possible regulatory options to address this issue at the state level in state dental practice acts. State dental societies may be contacting your state’s dental laboratory association about possible collaborative efforts or to seek additional information. NADL members are encouraged to share NADL’s model bill for state regulation with state dental societies or inquiring dental clients that may request a template for state regulation. Members of the laboratory industry may download this document from NADL’s Web page at

Dental laboratories should be prepared for increased calls from your dental clients and possibly local media outlets during the next few weeks as this news story circulates the country. NADL will be providing up-to-date guidance documents to our members on the member section of our Web site to assist you when answering questions. We are committed to keeping our members well informed and prepared.


NADL Board of Directors and Executive Staff

Dentrix G3 Preview

I got to see some more of the Dentrix G3 preview while at the Chicago Mid-Winter meeting. The software is still in beta but hopefully it will go Gold in the 2Q 2008. Here are some things to expect.

Speed- The patient chart and treatment planner will open faster and the overall software should be speedier.

The new Document Center will now be able to accept PDF files, emails and more. Anything you can print can now be sent to the Document Center by way of a print driver. Multiple documents can be imported at once.

Patient Questionnaire can be customized and the patient can fill out the forms online via eCentral. Fields can be populated in the form directly from the Dentrix database

A new Perio module with tighter voice activation.

Guru integration. Lots of new modules for Guru along with the imminent launching of the Guru website. Treatment plan a procedure and Guru can be launched for informed consent.

Better Lab integration with LabNet online. Track and send cases even if your lab is not a LabNet lab.

That an more.

If you have been following my blog you will know my office has recently made the jump to G2 (better late then never) in preparation for G3. This will make the chartless office that much easier.

Sunday, February 24, 2008

What was cool at the Chicago Mid-Winter Meeting

The Oral Health America Gala is a dinner attended by dental industry leaders and Oral Health America friends, the Gala & Benefit raises funds for school oral health services for children without routine access to dental care, and gives Oral Health America the opportunity to increase the visibility and public understanding of oral health. Please donate by going to the Oral Health America web page and Dentsply will match your donation.

Well I have returned from the annual trek to Chicago for the Mid-Winter meeting. The weather cooperated this year. No fear of impending snow or ice.

So what was cool?

The most interesting thing I saw was something that no dentist will use but your lab will.The SensAble Dental Lab System, the World’s first CAD/CAM solution based on 3D force feedback for designing digital restorations, including an integrated solution for scan, design, and output to 3D printing for the production of metal partial frameworks as well as crown and bridge substructures. The virtual wax up is then printed and a resin wax up is created. The wax up is then cast.

There is no way to describe the feeling of controlling the device. This device is truly innovative.

Kodak has launched there 9000 3D- This extraoral imaging system gives 2D panoramic imaging and 3D images. This imaging system can give quadrant 3D images with less radiation then a CBCT. The software is very simple to use. Go to the Kodak web site and watch the video.

3m was demonstrating the Lava 3D digital impression system. It looks like the cost will be $24k. See the previous blog entry on the Lava 3D. So digital impression systems are coming. It will be interesting to see how quickly they will be adopted.

Gendex has the lowest cost CBCT machine at $119k with the new GX-CB500 powered by iCat. This CBCT was creating a buzz because of the price. It looked to be a nice no frills CBCT. Learn more on the Gendex web site.

Lots of Diode Lasers are available and they are the fastest growing segment of dental lasers. The newest will be from Technology4Medicine and their new Fox Diode Laser.

DENTRIX is getting ready for a new major release, Dentrix G3. More information on G3 in an upcoming blog entry.

Aribex has a new smaller and lighter version of the Nomad handheld X-Ray System. I am a Nomad user and my staff really like using the Nomad more then the X-ray heads on the wall. I will be providing more information on the Nomad Pro in the future.

Lime Technologies
is selling their Ozone unit for dentistry. The unit is different from the Healzone but the unit is not FDA approved.

Look for enhancements to the Demand Force patient reminder software in the near future. Demandforce Dental is an online patient communication system that integrates seamlessly with your existing practice management software to send the reminder messages.

RF America/Video Dental
has released a USB Intra oral camera based on their popular wireless camera. I will be doing a full review when I get one in my hands.

Laser light may be able to detect diseases on the breath

New technique could help doctors screen for asthma and cancer

WASHINGTON, Feb. 15—A team of scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado (CU) at Boulder, has shown that by sampling a person’s breath with laser light they can detect molecules in the breath that may be markers for diseases like asthma or cancer. While many studies have been done to showcase the potential of optical technologies for breath analysis, the JILA approach takes an important step toward demonstrating the full power of optics for this prospective medical application. Their findings are published in the latest issue of the Optical Society of America’s open-access journal Optics Express.

The technique, called cavity-enhanced direct optical frequency comb spectroscopy, may one day allow doctors to screen people for certain diseases simply by sampling their breath. “This technique can give a broad picture of many different molecules in the breath all at once,” says Jun Ye, who led the research. He is a fellow of JILA, a fellow of NIST and a professor adjoint at CU-Boulder’s Department of Physics.

Optical frequency comb spectroscopy was developed in the 1990s by Ye’s JILA colleague John L. Hall and Theodor W. Hänsch of Germany’s Max-Planck Institute (they shared the 2005 Nobel Prize in Physics with Roy J. Glauber for their invention). In the paper, Michael Thorpe, a graduate research assistant, Ye, and their colleagues describe the novel application of this technique to breath analysis. Optical comb spectroscopy is powerful enough to sort through all the molecules in human breath, Ye says, but it is also sensitive enough to find those rarest molecules that may be markers of specific diseases.

Every time we breathe in, we inhale a complex mixture of gasses—mostly nitrogen, oxygen, carbon dioxide, and water vapor, but also traces of other gasses, such as carbon monoxide, nitrous oxide, and methane. Each time we exhale, we blow out a slightly different mixture with less oxygen, more carbon dioxide, and a rich collection of more than a thousand types of other molecules—most of which are present only in trace amounts.

Some of these tracer breath molecules are biomarkers of disease. Just as bad breath may indicate dental problems, excess methylamine can be used to detect liver and kidney disease, ammonia on the breath may be a sign of renal failure, elevated acetone levels in the breath can indicate diabetes, and nitric oxide levels can be used to diagnose asthma. When many breath molecules are detected simultaneously, highly reliable and disease-specific information can be collected. For instance, asthma can be detected much more reliably when carbonyl sulfide, carbon monoxide, and hydrogen peroxide are all detected in parallel with nitric oxide. The reported approach offers exactly this kind of potential.

In the experiments performed by Ye and his colleagues, optical frequency comb spectroscopy was used to analyze the breath of several student volunteers. They showed that they could detect trace signatures of gasses like ammonia, carbon monoxide, and methane on their breath. In one of these measurements, they detected carbon monoxide in a student smoker and found that it was five times higher when compared to a non-smoking student.

The researchers had the students breathe into an optical cavity—a space between two standing mirrors. The optical cavity was designed so that when they aimed a pulsed laser light into it, the light bounced back and forth so many times that it covered a distance of several kilometers by the time it exited the cavity. This essentially allowed the light to sample the entire volume of the cavity, striking all the molecules therein. In addition, this lengthens the light-molecule interaction time thereby increasing the sensitivity. By comparing the light coming out of the cavity to the light that went in, Ye and his colleagues could determine which frequencies of light were absorbed and by how much. This information told them which molecules were present in the breath from the start. The remarkable combination of a broad spectral coverage of the entire comb and a sharp spectral resolution of individual comb lines allows them to sensitively identify many different molecules, as they show in their paper.

While the efficacy of this technique has yet to be evaluated in clinical trials, monitoring the breath for such biomarkers is an attractive approach to medicine because breath analysis is the ultimate non-invasive and low-cost procedure. Existing approaches to breath analysis are limited, because the equipment is either not selective enough to detect a diverse set of rare biomarkers, or it is not sensitive enough to detect trace amounts of the molecules exhaled in human breath. The biggest shortcoming of existing approaches is their inability to provide rapid and reliable breath measurements for many biomarkers. The new technique addresses these problems with its capability to rapidly, simultaneously, sensitively, and accurately detect many breath biomarkers. The results can qualitatively change the field of breath analysis, realizing its real potential as a low-cost, rapid, robust, and non-invasive method for health screening.


Funding for this work was provided by the Air Force Office of Scientific Research, Agilent Technologies Foundation, the Defense Advanced Research Projects Agency, NIST, the National Science Foundation, and a University of Colorado proof of concept grant.

Paper: "Cavity-enhanced optical frequency comb spectroscopy: application to human breath analysis," Michael J. Thorpe et al., Optics Express, Vol. 16, Issue 4, February 18, pp. 2387-2397; abstract at

About OSA

Uniting more than 70,000 professionals from 134 countries, the Optical Society of America (OSA) brings together the global optics community through its programs and initiatives. Since 1916 OSA has worked to advance the common interests of the field, providing educational resources to the scientists, engineers and business leaders who work in the field by promoting the science of light and the advanced technologies made possible by optics and photonics. OSA publications, events, technical groups and programs foster optics knowledge and scientific collaboration among all those with an interest in optics and photonics. For more information, visit

Sirona Chicago Mid-Winter Party

Another big Thank you to Sirona for throwing a great party at the Chicago House of Blues. A great time was had by all. Go checkout their Cerec Cad-Cam system and Galileos radiography equipment.

Thursday, February 21, 2008


Press Release
Source: Technology4Medicine
Former Biolase CEO & EVP Launch Technology4Medicine
Lasers4Dentistry Division Focused on Dental Laser Market
Wednesday, February 21, 2008
SAN CLEMENTE, CA -- February 21, 2008 – The former senior executives of Biolase Technologies, Inc. (BLTI) announced the formation of a new company, Technology4Medicine, LLC, with a dental laser division, Lasers4Dentistry, and a laser therapy division, Technology4Therapy. Jeffrey W. Jones, the former President and CEO of Biolase, and Keith G. Bateman, Biolase's former Executive Vice President, formed Technology4Medicine to address the advanced technological, clinical, training and business needs of the dental, medical, veterinary and physiotherapy communities.

"While developing the dental laser industry and growing Biolase from approximately $1 million to $70 million in sales and 70-80% market share, we gained extensive experience and a deep understanding of the unique clinical and business needs of the dental community," commented Jones, Technology4Medicine CEO. "Dentists face unique challenges, both clinical and financial, and our combined 40 plus years of executive and field experience in the technology, medical and dental laser markets positions Technology4Medicine and its divisions to help dentists and other medical practitioners to achieve their goals."

"Over the coming weeks and months Technology4Medicine will be introducing a broad range of advanced technology and laser based products focused on enhancing efficiency, the quality of clinical care, the patient experience and the bottom line of dental practices," added Bateman, Technology4Medicine President.

"Laser therapy has long been established and accepted as standard of care internationally. Recently the technology and clinical applications have made significant breakthroughs and in the U.S. there is a growing acceptance and demand for laser therapeutic technology to eliminate or dramatically reduce pain and accelerate healing. There are many laser therapy applications and indications specific to dentistry that will allow dentists to improve clinical outcomes, patient care and ROI."

Wednesday, February 20, 2008

3M ESPE Debuts Lava™ Chairside Oral Scanner C.O.S.

New digital impression system being introduced in select markets as part of strategic rollout

ST. PAUL, Minn. – (Feb. 19, 2008) – 3M ESPE announces the debut of the new 3M™ ESPE™ Lava™ Chairside Oral Scanner C.O.S., a digital impression system that enables the motion capture of accurate and precise impressions. The Lava C.O.S serves as the doctor’s entry point for a range of digital workflows and supports conventional processes such as PFM and CAD/CAM processes including Lava™ Restorations. The 2008 Chicago Midwinter Meeting will serve as the first showcase of the new technology and the dental industry will be the first to benefit from this breakthrough in digital imaging.
Featuring proprietary “3D in Motion” technology, a new technique for capturing 3D data, the Lava C.O.S. captures continuous 3D video images to create a digital impression. Initiating the digital workflow by providing a highly accurate digital impression, the Lava C.O.S. incorporates revolutionary hardware design, high-speed image processing algorithms and real-time modeling software. Because the Lava C.O.S. has the ability to model data in real time on a touch screen monitor, doctors receive instantaneous feedback to ensure that all essential data is captured while the patient is still in the chair.
“With this ground-breaking technology, we’re providing doctors and labs the opportunity to experience enhanced productivity and efficiency facilitated by the digital workflow – ultimately transforming the practice of dentistry,” said Eric Paley, General Manager and co-founder of Brontes Technologies, the 3M Company responsible for the development of the Lava C.O.S.
The interactive experience enhances the high-tech image of the practice and allows clinicians to offer patients a more convenient and comfortable procedure than that of traditional impressions. Doctors now have the ability to create an accurate digital impression to produce a precise fitting restoration, thereby eliminating several steps in the traditional impression making process.
This year 3M ESPE begins a strategic and regional rollout of the Lava C.O.S., by focusing on their dental lab partners and the lab’s doctor customers. With this targeted approach, every dental office and lab will receive the world class training and support expected from 3M ESPE. Installation, service and maintenance will be handled by qualified Channel Partners.
For more information visit

3M ESPE manufactures and markets more than 2,000 products and services designed to help dental professionals improve their patients' oral health care. 3M Health Care, one of 3M’s six major business segments, provides world-class innovative products and services to help health care professionals improve the practice and delivery of patient care in medical, oral care, drug delivery and health information markets. For more information on the complete 3M ESPE line of dental products visit the 3M ESPE Web site at or call the 3M ESPE Technical Hotline at 1-800-634-2249. Products are available for purchase through authorized 3M ESPE distributors.

Tuesday, February 19, 2008

More on Dentrix G2 in my office

So far so good on the upgrade and training. My staff has taken to the Dentrix G2 very well. In fact we are ahead of schedule. We are already starting to be somewhat chartless. We are customizing the chart entries and some patients are having the chart notes written up in the computer!!!

We are still pulling charts and currently making a manually writing a note that treatment notes are recorded in the computer. I have scheduled the next training session and I will continue to let everyone know how the training and upgrades are going.

I did get a peek at G3 and will see more this week at the Chicago Mid Winter meeting.

More to come...

Monday, February 18, 2008

Organization for Safety and Asepsis Procedures (OSAP) announces their 2008 Symposium

NNAPOLIS, MD: February 18, 2008 - The Organization for Safety and Asepsis Procedures (OSAP) announces their 2008 Symposium, “Focusing on Dental Infection Control Through Different Lenses,” which will take place June 12-15 at the Westin Mission Hills Resort and Spa in Palm Springs, CA. The leading experts on infection control and occupational health and safety will share information of critical concern to dental professionals and others involved in dentistry. Keynoting the Symposium will be Dr. Burton Conrod, President of the World Dental Federation (FDI). The agenda includes networking time and social events, such as the wildly popular auction, which will feature an impressive array of vacation packages, gourmet baskets, artwork, apparel, jewelry, literary and sporting goods, and much more. Twenty hours of CE credit are available.

The 2008 OSAP Symposium will give attendees the opportunity to learn about dental and infection control trends, find out how to set up infection control programs at their own facilities, and understand how to increase compliance. Internationally-known experts will discuss the latest developments regarding key dental infection prevention and safety issues worldwide, infectious diseases and their impact on systemic health, training tools and techniques, and current developments such as salivary diagnostics.

The OSAP Symposium is designed for infection control and safety instructors, lecturers, authors, and consultants; researchers; dentists; hygienists; assistants; lab technicians; nurses in dental clinics; and dental sales and marketing personnel. Details of the Symposium as well as a reservation form are available online at or can be requested by calling 800-298-OSAP (6727). Check the website frequently; additional information will be posted as it becomes available.

OSAP is the Organization for Safety and Asepsis Procedures. Founded in 1984, the non-profit association is dentistry’s premier resource for infection control and safety information. Through its publications, courses, website, and worldwide collaborations, OSAP and the tax-exempt OSAP Foundation support education, research, service, and policy development to promote safety and the control of infectious diseases in dental healthcare settings worldwide.

Sunday, February 17, 2008

Recovering photos from a corrupted flash card

Here is a good little write up for software that can help you recover files or photos from flash drives.

The most important thing is once you realize you have a problem don't keep taking pictures or trying to write more files to the drive.

This article lists recovery software for both Windows and Mac computers.

Click here for the download squad link.

Saturday, February 16, 2008

Accuracy of magnetic resonance imaging compared with computed tomography for implant planning

Marcelo F. Aguiar, Alexandre P. Marques, Antonio Carlos P. Carvalho, Marcelo G.P. Cavalcanti
Accuracy of magnetic resonance imaging compared with computed tomography for implant planning
Clinical Oral Implants Research (OnlineEarly Articles).

Aim: The objective of this study was to evaluate the reliability of magnetic resonance imaging (MRI) compared with computed tomography (CT) for dental implant planning in respect to bone measurements.

Methods: Five dry mandibles were submitted to MRI and CT examinations. Each mandible had three specific sites identified with markers, in a total of 15 sites to be studied. The images provided by the MRI and CT examinations were delivered to four specialists in Oral and Maxillofacial Radiology to measure the bone height at the specific sites. Subsequently, the bone height of the dry mandibles was directly measured in the determined sites. The measurements obtained by the specialists in MRI and CT images were compared with the measurements obtained directly from the dry mandibles using the ANOVA test with a 0.05 significance level.

Results: The differences between the measurements obtained directly from the dry mandibles and the measurements from the MRI exams varied from 0.13 to 1.67 mm, with 10 sites being overestimated in MRI exams and five sites being underestimated. The differences between the measurements from the dry mandibles and CT exams varied from 0.02 to 1.25 mm, with nine sites being overestimated in CT exams and six sites being underestimated. The differences between the measurements from the MRI and CT exams varied from 0.03 to 1.00 mm, with nine sites giving higher values in MRI exams and six sites giving higher values in CT exams. There were no statistically significant differences between the three grous of measurements (P=0.98).

Conclusion: The MRI, when compared with CT, shown to be reliable in respect to bone measurements for dental implant planning.

Friday, February 15, 2008

Zenith Dental to Unveil Complete Post and Core Restorative System

– Zenith Dental, the visionary company with a 25-year tradition of introducing innovative and reliable restorative dental products and exclusive distributor of DMG-manufactured products, will officially introduce a complete system designed for post and core restorations during this year’s 143rd Chicago Dental Society Midwinter Meeting at booth #1247.

The new LuxaBond® – Total Etch, LuxaPost® Composite Post, and LuxaCore® Z-Dual Post Cement are designed to work together as the ideal system for post and core restorations.

• The inclusion of zirconium dioxide and DMG-patented nanotechnology sets LuxaCore® Z-Dual apart from any other core material or post cement on the market. Particle agglomeration (clumping) within the resin matrix is virtually eliminated, and at 380 MPa, the composition has superior compressive strength. Moreover, clinical tests confirm that LuxaCore Z is virtually identical to dentin in cuttability and polishability. In addition, 20-micron film thickness and near-perfect flow make LuxaCore Z-Dual the ideal post cement, and perfect for placing endodontic posts.

• LuxaBond® – Total Etch is the perfect partner for all indirect techniques. The dual-curing adhesive system is compatible with all commercially available self-curing and dual-curing materials. No light is needed for LuxaBond – Total Etch curing, making it particularly well-suited for indirect techniques, such as challenging cementation of posts, core build-ups, inlays, onlays, crowns, and bridges.

• LuxaPost® is a transparent glass-fiber-reinforced composite post with a flexural modulus that reacts to pressure and stress much like natural dentin. Its dentin-like properties make LuxaPost the perfect partner for LuxaCore Dual, America’s number-one-selling composite for core build-up and post cementation.

In addition, each new product is designed to work independently or in conjunction with similar restorative component materials. For more information and a hands-on demonstration of the new system, please stop by the Zenith/DMG booth (#1247) at this year’s Chicago Midwinter Meeting.

For immediate information, please call 800-662-6383, or log onto

About Zenith Dental

Since 1982, Zenith Dental has been the visionary company responsible for introducing some of the most widely used and clinically successful dental restorative products to North America. Zenith selects and partners with leading global dental manufacturers to provide American and Canadian dentists with a comprehensive range of exceptional restorative materials.

Zenith’s premier partner is DMG, recognized for 40 years as a global leader in the research, development, and production of innovative dental materials.
Zenith Dental has the distinction of being the exclusive distributor of DMG products in the U.S. and Canada. Together with DMG, Zenith Dental has become known as the “Automix specialists.” Its leading role in Automix products began over a decade ago with the release of Luxatemp®, the first automix provisional restorative material. Zenith went on to introduce a wide range of advanced materials, which have become market leaders thanks to their clinical efficacy and ease of use.
For more information, and a complete list of Zenith Dental product offerings, please visit, or call 1-800-662-6383.

Probe of Insurance Companies For Setting Low UCR's

New York Attorney General Andrew Cuomo said on Wednesday he is conducting an industry-wide probe of health insurers into an alleged scheme to defraud consumers by manipulating reimbursement rates.

The scheme centers on Ingenix, the nation's largest provider of health care billing information, which serves as a conduit for rate data to the largest insurers in the country, Cuomo said in a statement.

Read the rest by clicking here.

Thursday, February 14, 2008

OraPharma, Inc.’s ARESTIN®

Warminster, PA (February 13, 2008) − OraPharma, Inc., a specialty oral health- company dedicated to bringing scientifically and technologically superior products to the dental community, received several industry accolades in 2007 for its ARESTIN® (minocycline hydrochloride) Microspheres, 1 mg, an adjunct treatment to scaling and root planing (SRP) procedures for reduction of pocket depth in patients with adult periodontitis.
Specifically, OraPharma recently received the coveted 2007 Townie Choice Award from Dentaltown. This is the fourth consecutive year that ARESTIN® has received the Townie Choice Award from Dentaltown magazine readers.
In addition, the company received an additional 2007 Townie Choice Award from Hygienetown, making ARESTIN® a three-time winner for the publication, courtesy of the hygienists who use the locally administered antibiotic (LAA) as part of their personal standard of care.
ARESTIN® is featured in the December 2007 “Special Edition” Townie Choice Award issues of both Dentaltown and Hygienetown. The Townie Choice Awards were created to provide dental professionals with another source of information when making difficult purchase decisions. This is the only award in dentistry that comes directly from the professionals who treat patients every day.
“This year, more than 2800 dental professionals voted for the products, services, and equipment that they use every day,” remarked Thomas Giacobbi, DDS, FAGD, editorial director, Dentaltown. “Each and every product chosen by our readers plays an important part in their everyday professional success. The Townie Choice Awards are indeed a profile of our community product loyalties.”
For the complete list of winning Townie Choice products, please pick up the December 2007 “Special Edition” Townie Choice Award issues of Hygienetown and Dentaltown, or log onto or

Moreover, ARESTIN® was named as one of the “Products Dental Hygienists Cannot Live Without” by a leading independent, nonprofit dental education and product testing foundation (full report is available upon request).

Selected by more than 400 dental teams as a product in the dental professional setting that was most essential and valued by dental professionals, ARESTIN® was reported by 78% of hygienists as a product they depend on routinely to make their practice “easier, faster, better, and more enjoyable.” According to the report, ARESTIN® has gained popularity due to “ease of use.”

In addition, the same independent, nonprofit foundation named ARESTIN®
as one of the best products of the year, receiving the top rating of “Valuable”
based on 79% of 30 evaluators stating they would purchase ARESTIN®.
“We are extremely proud and excited that ARESTIN® was selected by dental professionals as an essential part of their standard of care when treating periodontal disease,” remarked OraPharma’s Product Director, ARESTIN® Marketing, John Lenart. “It’s also encouraging to see that our continuing outreach efforts to increase periodontal disease awareness and comprehensive treatment are having a positive effect for clinicians and the patients they treat.”

About OraPharma, Inc.

OraPharma, Inc. is a specialty pharmaceutical company that discovers, develops, and commercializes therapeutics for the treatment of periodontal disease at various phases of progression. ARESTIN® (minocycline hydrochloride) Microspheres, 1 mg ( is indicated as an adjunct to scaling and root planing procedures for reduction of pocket depth in patients with adult periodontitis. OSSIX™ PLUS™ (resorbable collagen membrane) is used in guided bone regeneration (GBR) and guided tissue regeneration (GTR) procedures. For more information about OraPharma and its products, visit

Wednesday, February 13, 2008

Dentrix G2 Training

We had a 4 hour Dentrix training session and it went extremely well. Lots of new information and hints to more effectively schedule and check out patients. I cannot impress upon you the importance of proper training. If you are going to spend all the money on hardware, networking etc make sure you budget properly for the most important part the training.

My office will recieve more training as soon as we master all the steps we were taught today.

Tuesday, February 12, 2008

Getting Ready For Dentrix G2 and G3

Well I finally bit the bullet and installed the Dentrix G2 update. I had considered going straight to G3 but was advised for training purposes to do G2 then G3. So it took about 2.5 hours to install the upgrade to the server and 10 work stations. The software install went very smoothly.

Now the important part... TRAINING!!!
We are now having a Dentrix Trainer come in and go over everything. So everyone on the staff will be ready to go. Sure they may be additional questions but it will save huge amounts of time versus trying to figure things out ourselves. I will let you know how the training went.

Monday, February 11, 2008

1st International Computer Controlled Local Anesthesia Delivery Summit

I was fortunate to have spent the past weekend in New Orleans as a participant in the 1st International Computer Controlled Local Anesthesia Delivery Summit. A lot of bright people were present and we discussed future research for computer controlled local anesthesia delivery (CCLAD). Like the Milestone Wand and STA machines. The research definitely shows that the patient receives a more comfortable injection using a CCLAD device.

Go check out the STA CCLAD on the Milestone web site.

Saturday, February 09, 2008

Cannabis Smoking and Periodontal Disease Among Young Adults

W. Murray Thomson, PhD; Richie Poulton, PhD; Jonathan M. Broadbent, BDS; Terrie E. Moffitt, PhD; Avshalom Caspi, PhD; James D. Beck, PhD; David Welch, PhD; Robert J. Hancox, MD

JAMA. 2008;299(5):525-531.

Context Tobacco smoking is a recognized behavioral risk factor for periodontal disease (through its systemic effects), and cannabis smoking may contribute in a similar way.

Objective To determine whether cannabis smoking is a risk factor for periodontal disease.

Design and Setting Prospective cohort study of the general population, with cannabis use determined at ages 18, 21, 26, and 32 years and dental examinations conducted at ages 26 and 32 years. The most recent data collection (at age 32 years) was completed in June 2005.

Participants A complete birth cohort born in 1972 and 1973 in Dunedin, New Zealand, and assessed periodically (with a 96% follow-up rate of the 1015 participants who survived to age 32 years). Complete data for this analysis were available from 903 participants (comprising 89.0% of the surviving birth cohort).

Main Outcome Measure Periodontal disease status at age 32 years (and changes from ages 26 to 32 years) determined from periodontal combined attachment loss (CAL) measured at 3 sites per tooth.

Results Three cannabis exposure groups were determined: no exposure (293 individuals, or 32.3%), some exposure (428; 47.4%), and high exposure (182; 20.2%). At age 32 years, 265 participants (29.3%) had 1 or more sites with 4 mm or greater CAL, and 111 participants (12.3%) had 1 or more sites with 5 mm or greater CAL. Incident attachment loss between the ages of 26 and 32 years in the none, some, and high cannabis exposure groups was 6.5%, 11.2%, and 23.6%, respectively. After controlling for tobacco smoking (measured in pack-years), sex, irregular use of dental services, and dental plaque, the relative risk estimates for the highest cannabis exposure group were as follows: 1.6 (95% confidence interval [CI], 1.2-2.2) for having 1 or more sites with 4 mm or greater CAL; 3.1 (95% CI, 1.5-6.4) for having 1 or more sites with 5 mm or greater CAL; and 2.2 (95% CI, 1.2-3.9) for having incident attachment loss (in comparison with those who had never smoked cannabis). Tobacco smoking was strongly associated with periodontal disease experience, but there was no interaction between cannabis use and tobacco smoking in predicting the condition's occurrence.

Conclusion Cannabis smoking may be a risk factor for periodontal disease that is independent of the use of tobacco.

Friday, February 08, 2008

Cavity-Fighting Herbal Lollipop

Herbal treatments have been used in China for more than 3,000 years. We reviewed the best traditional Chinese medicines that have been prescribed for dental needs. After testing over 1000 herbs, we found that a specific herbal formula that disables the major organisms that cause tooth decay (Streptococcus mutans and sobrinus). The next step was to package that formula into a convenient and practical delivery system. For sheer simplicity, it's hard to beat the lollipop. We've added a pleasant orange taste to make it the right choice for people of all ages.

More information and studies at

Wednesday, February 06, 2008



During February’s National Children’s Dental Health Month, Celebrity Mom Joan Lunden Offers Parents Tips and Practical Advice on Children’s Oral Care

CINCINNATI, OH, FEBRUARY 1, 2008 – Television personality and best-selling author Joan Lunden has partnered with Oral-B Stages and the American Academy of Pediatrics (AAP), the preeminent professional organization of children’s health professionals, to raise awareness of the importance of children’s oral health during Children’s Dental Health Month. A 2007 report released by the Centers for Disease Control and Prevention shows that the prevalence of cavities in children ages two to five years has increased four percent from a decade ago (24 to 28 percent). In fact, almost 20 percent of children ages two to three have at least one untreated cavity.

Tooth decay is the most common chronic childhood disease today, five times more common than asthma. Both the U.S. Surgeon General and Congress acknowledge that this “silent epidemic” in oral health needs to be addressed by parents and healthcare providers. The culmination of children’s dental illness in the U.S. results in a loss of 51 million school hours each year. Providing parents with resources to teach healthy oral care habits from an early age is an important step in curbing the impact of oral disease on children.

“Many of the dental-related illnesses that children develop are easily preventable, provided parents are able to establish proper oral care habits for their children, even before that first tooth comes in,” says pediatrician, David Krol, MD, MPH, FAAP. “It is important that parents speak to their pediatricians about their children’s oral health and obtain the information they need to create a proper dental routine for their children.”

Joan Lunden, a mother of seven, knows the importance of establishing dental routines for her kids. “I help my children get off to a good start by teaching them how to brush and care for their teeth, so that they can continue to have a lifetime of happy smiles and good dental health. As children grow, their oral care needs change. That’s why an important first step to those healthy smiles is to choose products that are designed for each stage of your child’s oral care development, such as Oral-B Stages,” said Lunden.

Parents can take the first step in their children’s oral health by doing the following:

• Begin oral care routine early – Parents should begin by regularly cleaning their newborn baby’s gums with a damp washcloth following feedings. When the first teeth appear, parents should begin brushing them to avoid the build-up of plaque. Avoid prolonged exposure to sugary drinks (milk, formula, juices, etc.) while the baby sleeps, as it can increase the risk of decay in the upper front teeth, also known as Early Childhood Caries.
• Selecting the right tools – Use a toothbrush with extra-soft bristles and a cushioned head, plus a non-fluoridated toothpaste until age two, when it’s safe to switch to toothpaste with fluoride. Choose products that are designed to meet children’s needs at different ages such as dentition (formation of their teeth and jaw), dexterity (ability to handle a toothbrush) and development (emotional changes and interest).
• Visit the dentist regularly – A child’s dental visit should begin when the child’s first tooth erupts, with additional visits determined by the dentist to ensure proper oral development. A good rule of thumb is first visit by first birthday. Parents should discuss their children’s oral health with the pediatrician even before the first dental visit.
• Take first steps to healthy eating – Proper nutrition is important to your child’s oral health. Foods high in sugars and starches help decay-causing bacteria make acid that destroys teeth. Choose nutritious snacks that build strong teeth and resist decay and gum disease such as veggies, fruit, yogurt and cheese.
• Make brushing fun – Brush your teeth together to set a good example. Choose toothbrushes and toothpaste with popular kids’ characters. Sing a two-minute song to your child to encourage brushing for the dentist-recommended time. Making the brushing routine fun will encourage proper habits early and help prevent oral care issues later in life.

Parents and children can learn more oral-care tips by visiting or


Zenith Dental, the visionary company with a 25-year tradition of introducing innovative and reliable restorative dental products and exclusive distributor of DMG manufactured products, will officially introduce LuxaCore® Z-Dual, a highly advanced endodontic core material and post cement, during this year’s 143rd Chicago Dental Society Midwinter Meeting at booth #1247.

Distributed exclusively by Zenith Dental, the inclusion of zirconium dioxide and exclusive DMG-patented nano-technology sets LuxaCore Z-Dual apart from any other core material or post cement on the market.

LuxaCore Z-Dual’s superior nano-technology provides for a thorough and even distribution of nano-particles throughout the resin matrix, resulting in the virtual elimination of particle agglomeration (clumping), and making LuxaCore Z-Dual the smoothest, creamiest material on the market. A 20-micron film thickness, and near perfect flow, makes LuxaCore Z-Dual the ideal post cement, and perfect for placing endodontic posts.

Furthermore, at 380 MPa, the addition of zirconium dioxide provides superior compressive strength for improved stability over similar products on the market.

"LuxaCore Z-Dual is the ideal core build up material,” remarked Gary Radz, DDS Cosmetic Dentistry of Colorado. “Its improved compressive strength provides the confidence I want in a material; quality that I depend on to support my restorations. Chairside, I love the fact that the material cuts and feels just like crown preparations turn out absolutely beautiful with this material."

Clinical tests confirm that LuxaCore Z is virtually identical to dentin in cuttability. Substance loss testing using 100µm diamond/30 seconds has proven the cutting rate of LuxaCore Z to be entirely within the standard deviation of natural dentin’s cutting rate.

“Improving on LuxaCore Dual, the market-leading core material, was a significant challenge,” remarked George Wolfe, Zenith Dental President. “Advancing its compressive strength, dentin-like cuttability, and shading were no small undertaking, but DMG truly achieved this and, amazingly, surpassed it with LuxaCore Z-Dual.”

The combination of superior physical properties, improved bubble-free formula, void-free flow characteristics, and a dentin-like shade make LuxaCore Z-Dual ideal for all cementing needs.

For more information and a hands-on demonstration of LuxaCore Z-Dual, please stop by the Zenith/DMG booth (#1247) at this year’s Chicago Midwinter Meeting, or attend Zenith’s exclusive press conference, taking place in the exhibitor press conference room on February 22nd at 3:00pm.

For immediate information, please call 800-662-6383, or log onto

*LuxaBond® – Total Etch, LuxaPost®, and LuxaCore® Z-Dual work as a system for post-endodontic restorations.

Monday, February 04, 2008

When and How Often You Consume Acidic Foods or Beverages Affects Dental Health

Sugar isn't the only enemy of teeth. Acids found in diet and regular soda, energy drinks, juice and wine can erode tooth enamel, leading to tooth decay. The February issue of Mayo Clinic Health Letter suggests ways to minimize the risk of damage from acidic foods and drink.

Read the rest on the Mayo Clinic site

BioCAD To launched at the Mid-Winter in Chicago

BioCAD Medical based out of Quebec Canada- To launched at the Mid-Winter in Chicago ImplantCAD the most comprehensive dental CAD/CAM for bars, custom abutments, coping, crown and bridge design and manufacturing.

This is the future of dentistry. Digital impressions, digital models and final prosthesis. More information when I get it.

Friday, February 01, 2008

New Type of Pulse Oximeter

Here is an interesting new piece of equipment for those doing sedation. Instead of monitoring oxygen levels in the finger this device monitors them in the brain.

The INVOS System

The INVOS® System is the first and only patient monitoring system commercially available in the U.S. that noninvasively and continuously monitors changes in the regional oxygen saturation of the blood in the brain.

The INVOS Cerebral Oximeter system consists of disposable, single-patient use SomaSensors, an INVOS monitor display and associated accessories.

The INVOS Cerebral Oximeter system monitors changes in regional saturation of oxygen, or rSO2, within a sample of blood in the cerebral cortex. Changes in INVOS (In Vivo Optical Spectroscopy) values monitor the critical balance between oxygen delivery and cerebral consumption.

The INVOS Cerebral Oximeter measurement is made by noninvasively transmitting and detecting harmless, low intensity and near infrared light through SomaSensors that are placed on both sides of a patient's forehead.

Use of the patient monitoring system allows medical professionals to monitor changes in cortical blood oxygen saturation and take corrective action. Research and clinical experience indicates that such action can prevent or reduce neurological injuries associated with surgery and other critical cares situations, and therefore, reduce the cost of care.

The INVOS Cerebral Oximeter system is now available for adult and pediatric monitoring in the US and in many international markets.