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Related to clench: Clenbuterol, clencher


Etymology: ME, clenchen
the clamping and pressing of the jaws and teeth together in centric occlusion, frequently associated with acute nervous tension or physical effort, such as pushing or lifting a heavy object or performing a difficult task. See also bruxism.


1. Forcible, repeated contraction of the jaw muscles with the teeth in contact. This causes pulsating, bilateral contractions of the temporalis and pterygomasseteric muscles. It may be done consciously, subconsciously while awake, or during sleep. See: bruxism
2. Tightly closing the fist.


Nonfunctional tooth clamping in centric occlusion.

clenching (klen´ching),

n the nonfunctional, forceful intermittent application of the mandibular teeth against the maxillary teeth. It can become habitual and cause damage to the periodontium.
References in periodicals archive ?
When you clench your teeth, these muscles can create a great deal of stress and tension to your jaw joints, neck muscles and teeth.
Zapping other fish with high-voltage bursts lets eels remotely control their prey's nervous system to make muscles twitch and clench.
Gavin Spokes takes the central role of loveable chancer, Francis Henshall while Shaun Williamson (inset) plays Charlie Clench.
Winners Brandon Lowe, Paige Laight, Jamie Brooke, Liam Stanners, Sekou Bamba, Ashley Clench and Annie-Mai Goode will enjoy a London weekend away worth over PS9,000.
If you want to remember something, clench your right fist.
A control group did not clench their fists at any point.
The youngster, who does eight paper rounds with his grandad Graham Clench immediately grabbed his grandfather's mobile phone and rang 999.
Clench, a superintendent of Indian Affairs from 1830 to 1854.
Some of us parents who felt lucky just to get the family out the door on a Sunday morning and who were trying to keep the children reasonably quiet would clench our teeth when the doors were closed; we would exchange a roll of the eyes or grumble briefly and guiltily, feeling tom about thinking uncharitably about our fellow parishioners.
More than half of adults grind, clench teeth; one in 10 aren't aware they have TMJ