Merchants Walk Dental
Night Guards & TMJ4 min read

What Causes Clenching In The Jaw?

Published: September 2026Updated: September 2026Written by Merchants Walk Dental Team

Quick answer

Discover common reasons people clench their jaw and when ongoing discomfort should be checked by a dentist.

What you'll learn

Key facts
What to watch for
Care options
When to call a dentist
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Stress and concentration

Stress, anxiety, exercise, and focused work can all lead people to tighten their jaw without realizing it.

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Sleep and bite factors

Some people clench during sleep. Sleep quality, medications, and bite changes can contribute, so a full evaluation is helpful when symptoms persist.

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Relieving jaw strain

Gentle awareness, stress-management techniques, and dentist-guided treatment may help. Your dentist can determine whether a night guard or other care is appropriate.

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Frequently Asked Questions