A doctor who had a genetic condition that prevents teeth from forming searched for the DNA mutation that had affected his family for over 150 years.

Introduction : Why teeth? -- I. Development. Microscopes, cells, and biological rhythms -- The big picture : birth, death, and everything in between -- Things that can go wrong : stress, pathology, ...

Impacted teeth fail to erupt within the expected developmental window and are often blocked by gum tissue or bone. Maxillary cuspids (canines) possess the longest roots and are critical for proper ...