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
Recent Examples of futon from the Web. 1  Litter boxes were randomly placed in various locations, including on a futon and inside a bathtub. 2  Two futon mattresses, brought inside when needed, hung over a support beam in the covered vestibule to air out between use and to keep rodents from nesting among their soft innards. â