BUFFALO, N.Y. — About 1 in 10 children are born with at least one missing permanent tooth due to congenital anomalies. And a much higher percentage of adults lose teeth from decay or injury over their ...

Across the world of mammals, teeth come in all sorts of shapes and sizes. Their particular size and shape are the process of millions of years of evolutionary fine-tuning to produce teeth that can ...

A simple, straightforward developmental rule -- the 'patterning cascade' -- is powerful enough to explain the massive variability in molar crown configuration over the past 15 million years of ape and ...