When only part of the tooth has erupted into the mouth, it can create a flap of gum tissue that easily holds food particles and debris and is a hotbed for bacteria. Pericoronitis also can occur around a wisdom tooth that has not erupted at all and is still under the gums.
Define futon: a usually cotton-filled mattress used on the floor or in a frame as a bed, couch, or chair a usually cotton-filled mattress used on the floor or in a frame as a bed, couch, or chairâ¦ See the full definition
Webster Dictionary (0.00 / 0 votes) Rate this definition: Chiton (noun) an under garment among the ancient Greeks, nearly representing the modern shirt. Chiton (noun) one of a group of gastropod mollusks, with a shell composed of eight movable dorsal plates. See Polyplacophora. Origin: [Gr. a chiton (in sense 1).]