Teeth Grinding (Bruxism), Jaw Pain & Night Guards
Written & medically reviewed by Dr. Neha Johri, MDS — Orthodontics & Dentofacial Orthopedics · Last updated July 2026
Teeth grinding (bruxism), often during sleep, can wear teeth, cause jaw pain and headaches and strain the jaw joint (TMJ) — a custom night guard protects your teeth and relieves the strain.
Many people grind or clench their teeth without realising, usually during sleep. Over time it takes a toll on the teeth and jaw.
What is teeth grinding (bruxism)?
Bruxism is repetitive clenching or grinding of the teeth, often stress-related and most common during sleep.
Signs you might grind your teeth
- Worn, flattened or chipped teeth
- Jaw pain, clicking or tightness (TMJ strain)
- Morning headaches
- Increased tooth sensitivity
- A partner noticing grinding sounds at night
How is grinding and TMJ treated?
A custom TMJ night guard cushions and protects your teeth and eases jaw strain. Managing stress helps, and where a poor bite contributes, orthodontics can correct it.
When should I see a dentist?
If you notice worn teeth, jaw pain or morning headaches, have it checked before the teeth are damaged further.
Frequently asked questions
Does a night guard really help?
Yes — a custom night guard protects teeth from grinding wear and significantly reduces jaw strain and morning headaches for most people.
Can teeth grinding damage my teeth?
Over time it can flatten, chip and crack teeth, wear away enamel and strain the jaw joint — which is why protecting them early matters.
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