"AFP - 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."


When my kids where young I had their back teeth "sealed" and neither ever had a cavity and both are in their 30's. I think this will make a huge difference in dental health.