Cosmetic Dentistry
What Is Teeth Grinding and How Is It Treated?
Haute MD Editorial Team
Teeth grinding (bruxism) is the involuntary clenching or grinding of teeth — most commonly during sleep (sleep bruxism) but also during waking hours (awake bruxism). It affects an estimated 8-10% of adults and can cause significant dental damage including worn enamel, chipped or fractured teeth, sensitivity, and failure of dental restorations. It also contributes to jaw pain, headaches, and TMJ disorders. Treatment focuses on protecting teeth with occlusal guards, addressing contributing factors, and in some cases off-label Botox injections into the jaw muscles.
Causes and contributing factors
Sleep-related movement disorders. Stress and anxiety are the most commonly cited contributing factors. Sleep apnea. Certain medications (SSRIs, stimulants). Alcohol and caffeine consumption. Genetics (strong familial component).
Signs and symptoms
Worn, flattened, or chipped teeth. Tooth sensitivity (from exposed dentin due to enamel wear). Jaw soreness or pain. Morning headaches. Temporal mandibular joint (TMJ) pain. Cheek biting. Audible grinding sounds during sleep (reported by partners).
Treatment options
Custom occlusal night guard: the gold standard first-line treatment — protects teeth from grinding forces during sleep. Must be custom-fitted (over-the-counter options are inferior). Botox injections into the jaw muscles are sometimes used off-label when conservative treatment isn't enough; studies are mixed, and effects typically last about three to four months. See Botox for Jaw Clenching (Masseter): What to Know. This use is off-label: no FDA label for Botox lists masseter, bruxism or TMD use, and AbbVie's application for masseter muscle prominence has been under FDA review since Aug. 4, 2026. Stress management. Sleep study if sleep apnea is suspected.
Frequently Asked Questions
Can bruxism damage veneers and crowns?
Yes. Teeth grinding is the most significant threat to dental restorations. Unmanaged bruxism dramatically shortens the lifespan of veneers, crowns, and bonding. A custom night guard is essential for any patient with dental restorations.
Does Botox for jaw grinding work?
It can help some people, but the evidence is mixed. Botox injected into the jaw muscles is used off-label for grinding and clenching: no FDA label lists masseter, bruxism or TMD use, and AbbVie's application for masseter muscle prominence has been under FDA review since Aug. 4, 2026. See Botox for Jaw Clenching (Masseter): What to Know. It's usually considered when conservative treatment such as a custom night guard isn't enough, and effects typically last about three to four months.
Is teeth grinding covered by insurance?
Custom occlusal night guards are covered by many dental insurance plans when bruxism is documented. Botox for bruxism is typically not covered by dental or medical insurance.
How do I know if I grind my teeth?
Signs include flattened or chipped teeth, morning jaw soreness or headaches, tooth sensitivity, and partners reporting grinding sounds. Your dentist can identify grinding wear patterns during a routine examination.
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