Scientists in Japan have created a microscopically thin film that can coat individual teeth to prevent decay or to make them appear whiter, the chief researcher said.
The “tooth patch” is a hard-wearing and ultra-flexible material made
from hydroxyapatite, the main mineral in tooth enamel, that could also
mean an end to sensitive teeth.
“This is the world’s first flexible apatite sheet, which we hope to
use to protect teeth or repair damaged enamel,” said Shigeki Hontsu,
professor at Kinki University’s Faculty of Biology-Oriented Science and
Technology in western Japan.
Read the rest of the story