Immediately loaded distally cantilevered fixed mandibular prostheses supported by four implants placed in both in fresh extraction and healed sites: 2-year results from a prospective study.
Eur J Oral Implantol. 2014 Summer;7(2):173-84.
Abstract
Objectives:
To evaluate the outcome of immediately loaded distally cantilevered
mandibular full-arch prostheses according to the 'all-on-four' concept
supported by implants placed in both fresh extraction and healed sites.
Material and methods: A prospective study was conducted in 24 patients
with extraction of all remaining mandibular teeth and placement of 4
implants per patient (2 mesial axial and 2 distal tilted) for full-arch
mandibular restorations. Implants were inserted in fresh extraction
sockets 2.3 ± 1.0 per patient and 1.7 ± 1.0 implants in healed sites.
Implants placed in fresh extraction sites (n = 55) were significantly (P
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