University scientists have identified a gene responsible for initiating the normal development of tooth roots in mammals. Researchers made this discovery by creating a mouse lacking the gene ...

Beta-catenin is required in odontoblasts for tooth root formation, according to a new study in the Journal of Dental Research (January 23, 2012). While the molecular and cellular mechanisms of early ...

Teeth function not only because of the hard enamel on the surface, but also because they have roots that anchor them firmly in the jawbone beneath the gums. Eating, speaking, and maintaining the shape ...

Amjad Javed, Ph.D., and University of Alabama at Birmingham colleagues have found a key role in tooth development for the transcription factor Specificity protein 7, or Sp7. Using an animal model, the ...

A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When completely ...

Most people start off adulthood with 32 teeth, not including the wisdom teeth. There are four types of teeth, and each plays an important role in how you eat, drink, and speak. Read on to learn more ...