Reference Article

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Bruxism

Bruxism is grinding of the teeth.

This is an oral para-functional activity observed in most people to some degree.

Bruxism includes clenching and/or grinding of the teeth.

Some have incorrectly characterized bruxism as a habit; however, bruxism is caused by the activation of reflex chewing activity.

Chewing is a complex neuromuscular activity that is controlled by reflex nerve pathways with higher control by the brain.

During sleep, the reflex part is active, while the brain control is inactive.

The result is an abnormal chewing action known as bruxism.

Some dentists believe it is due to a lack of symmetry in the teeth; others, that it reflects anxiety, digestive problems or a disturbed sleep pattern.

Note: This article excerpts material from the Wikipedia article "Bruxism", which is released under the GNU Free Documentation License.

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