SAN FRANCISCO -- More obvious than a sore thumb, an off-color tooth can mar the brightest smile. Yet whitening just one tooth -- without affecting its comrades -- presents so many challenges that ...

One slice of a mini pizza led to a mega crisis for 57-year-old Damyanti Merchant, a resident of Andheri. Merchant, who swallowed a part of her single-tooth denture with a mouthful of pizza had to be ...

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

Tooth of a European-American buried in San Francisco in the 1850s. A new technique developed at UC Davis allows archaeologists to find a person’s biological sex based on a single tooth. (Jelmer ...