Sharecare News posted a story about Dentistry:
TUESDAY, May 14 (HealthDay News) -- Dentists, as it turns out, may have one more reason than the rest of us to be wary of alligators. The toothy reptiles may one day put those who install implants, bridges and dentures out of their jobs.
Alligators continually make new teeth to replace t...Full Article
Austin Westover answered:What is tooth enamel?
Tooth enamel is the outermost layer of the portion of the tooth not surrounded by bone. It is the hardest material in the body, harder than even bone. It is made up of calcium hydroxyapatite crystals surrounding a mixture of various proteins. It is susceptible to degradation (demeralization) by acid.... Full Post