The habit of unconsciously gritting or grinding the teeth especially in situations of stress or during sleep.
is defined as habitual grinding of the teeth. It most often occurs at night but can occur when awake or asleep. The etiology of bruxism includes habit, emotional stress (eg, response to anxiety, tension, anger, or pain), parasomnias, neurologic abnormalities, tooth
An abnormality in the coming together of teeth.
, and, rarely, a medication side-effect. Most often, however, the etiology of bruxism is unknown.
Bruxism is very common in young children and is known as juvenile bruxism.
In fact, approximately 30% of children develop bruxism during the early-school years. Bruxism usually decreases by 7 to 8 years of age and stops before age 12, after eruption of all the permanent teeth. If bruxism persists into adulthood, it is termed adult bruxism
Bruxism can result in enamel wearing of the front and back teeth. If severe, it can result in tooth sensitivity or root exposure, which requires treatment. Bruxism may also contribute to
A group of symptoms that may include pain or tenderness in the temporomandibular joint or surrounding muscles, headache, earache, neck, back, or shoulder pain, limited jaw movement, or a clicking or popping sound in the jaw and that are caused either by dysfunction of the temporomandibular joint (as derangement of the articular disk) or another problem (as spasm or tension of the masticatory muscles) affecting the region of the temporomandibular joint.
temporomandibular joint disorder
younger than 8 years, treatment is usually not required. However, if the bruxism appears to be a stress response, stress management, behavioral therapy, or biofeedback may be effective. For older children, a dentist may recommend a mouth guard be worn at night.