Teeth Grinding & Jaw Problems

What causes teeth grinding (bruxism)?

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Short answer

Teeth grinding is commonly linked to stress, an misaligned bite, or sleep disorders, and it often happens unconsciously during sleep. Over time, it can wear down enamel, cause jaw pain, and even lead to cracked teeth if left unmanaged.

About this answer: Prepared by the AllSmiles Dental Editorial Team for general information. Your dentist can advise you based on an examination and your individual needs.

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What causes jaw pain or clicking when chewing?

Jaw pain or clicking is often related to a temporomandibular joint (TMJ) issue, which can stem from teeth grinding, jaw misalignment, or stress-related muscle tension. Occasional clicking without pain is common, but persistent pain or difficulty opening the mouth should be assessed by a dentist.

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