Neonatal teeth the normal allotment of teeth. Most often natal teeth are mandibular central incisors. They have little root structure and are attached to the end of the gum by soft tissue and are often mobile. Most of the time, natal teeth are not related to a medical condition. However, sometimes they may be associated with: No intervention is usually recommended unless they are causing difficulty to the infant or mother. However some recommend that they be removed as the tooth can cut or amputate the tip of the tongue. They should be left in the mouth as long as possible to
Pharyngeal teeth new species of "Meiopriapulus", a marine worm in the Priapulida, bears pharyngeal teeth. Fossils of the "Yunnanozoon" and "Haikouella" possess pharyngeal teeth. The lower pharyngeal bones of cichlids also carry specialized teeth which augment their normal mandibular teeth in the breakdown of food. Pharyngeal teeth Pharyngeal teeth are teeth in the pharyngeal arch of the throat of cyprinids, suckers, and a number of other fish species otherwise lacking teeth. Many popular aquarium fish such as goldfish and loaches have these structures. Members of the genus "Botia" such as clown loaches are known to make distinctive clicking sounds when they grind