Folivorous langurs have cheek teeth with taller cusps and longer shearing blades than do hard-object-feeding mangabeys. Frugivores, and those with broad diets, are intermediate in occlusal relief ...

Records obtained by PETA from UMass document multiple incidents in which research monkeys were injured or showed ...

The largely hereditary disease affects one in 1,000 people. Born missing six or more teeth, these patients face difficulties eating and properly developing their jaws. Patients often rely on ...