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
12/15/2011 03:30 pm ET | Updated Oct 11, 2012. Almost everyone has a horror story from a sleepless night on a paper thin mattress, and just hearing the word futon is enough to make some people cringe.