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
fulcrum (plural fulcrums or fulcra) ( 1 mechanics) The support about which a lever pivots. It is possible to flick food across the table using your fork as a lever and your finger as a fulcrum. ( 2 figuratively) A crux or pivot; a central point.