Horse teeth may be the result of an incisor malocclusion (e.g. ventral=overbite/dorsal=underbite). The curvature may also be diagonal, stemming from a wear pattern, offset incisors, or pain in the cheek teeth (rather than the incisors), which causes the horse to chew in one direction over the other. Other common problems include abscessed, loose, infected, or cracked teeth, retained deciduous teeth, and plaque build up. Wolf teeth may also cause problems, and are many times removed, as are retained caps. To help prevent dental problems, it is recommended to get a horse's teeth checked by a vet or equine dental technician every 6
Pharyngeal teeth (family Catostomidae) has a single row of pharyngeal teeth with comb-like arrangements. The Cape Fear shiner (family Cyprinidae) only has pharyngeal teeth, similar to the teeth of other omnivorous shiners. The redear sunfish (family Centrarchidae) has thick pharyngeal teeth composed of hard, movable plates, which it uses to crush the exoskeletons of prey. The pharyngeal jaws of the moray eel (family Muraenidae) possess their own set of teeth. The dentary of the ghost knifefish species "Sternarchogiton nattereri" (family Apteronotidae) has upper and lower pharyngeal tooth plates bearing 9-11 and 7-9 teeth, respectively. The mouth cone ("everted pharynx") of a possible