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
A: A futon can last as long as a conventional mattress, given the correct maintenance i.e. used on an appropriate slat base and turned regularly. As a rule of thumb, expect a futon to last 5-10 years. After this time futons can be reconditioned to an as-new feel.