(1) Posterolingually there is a deep narrow fold, which disappears in the advanced wear stage, leaving a narrow paraconid and a broad posterior cuspid that occupies two-thirds of the premolar length.(2) Incisors cut food, and cuspid and bicuspid teeth grasp and tear food.(3) The margin of the talonid is surrounded by a series of cusps (‘ cuspids ,’ actually, since this is a lower jaw molar) which enclose a talonid basin.(4) He looks a tad constipated to me, that or he has just emitted built-up gas and is clenching his carpentered cuspids in embarrassment.(5) The posterior cuspid (or cuspids if there are six) accounts for about one-third of the length of the tooth.
