Sleep bruxism is an involuntary mandibular movement with tooth grinding or clenching occurring during sleep that can lead to several dental, oral, and facial complications. According to the American academy of sleep medicine, the diagnosis of sleep bruxism is based on the report of tooth grinding or clenching in combination with at least 1 of the following signs:- Abnormal tooth wear,
- Sounds associated with bruxism, and
- Jaw muscle discomfort.
Sleep bruxism is reported in up to 20% of children younger than 11 years of age. This is probably an underestimate and may indicate only clinically significant bruxism.
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