A<unk> is an occlusal or incisal eminence on a tooth.
Canine teeth, otherwise known as<unk> ds, each possess a single<unk>  while premolars, otherwise known as bicuspids, possess two each.  Molars normally possess either four or five<unk> .  Maxillary molars, especially first molars, will generally possess a fifth<unk> situated on the mesiolingual<unk> known as the<unk> of Carabelli.
Cusp 
Xist
Sss
EMPC
Entrez
STD
XMC
Lncap