In dentistry, mammelons refer to an anatomical feature on the incisal edges of teeth. Frequently found on erupting central and lateral incisors, mammelons appear as three little bumps. Since this part of the tooth's the first to wear away from attrition, mammelons may not visible on teeth of older people. Instead, the best chance to see this characteristic's soon after eruption of the tooth into the mouth.… (More on Mammelon)