e/Mammelon

Information
has gloss	eng: 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 is the first to wear away from attrition, mammelons may not visible on teeth of older people. Instead, the best chance to see this characteristic is soon after eruption of the tooth into the mouth.
lexicalization	eng: mammelon
instance of	(noun) hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense tooth