How to Stop Bruxism | When Teeth Grinding Needs More Than a Guard

Bruxism stops when you remove the underlying trigger, protect your teeth with a guard, and address stress or sleep issues.

Waking up with a sore jaw or noticing flat teeth? That grinding and clenching — at night or during the day — is bruxism. Most people manage it well with stress reduction, a properly fitted mouth guard, and treating any sleep disorder that fuels it. There’s no single guaranteed cure, but the combination below stops the damage and usually quiets the grinding itself.

What Actually Stops Bruxism: The Three-Layer Approach

Bruxism treatment works on three fronts at once, because no single fix addresses every cause. The evidence-based approach combines behavior change, stress management, and an intraoral appliance.

Behavior Change That Rewires Your Jaw

For awake bruxism, the fix is training your jaw to rest apart. Your teeth should touch only when swallowing — roughly 20 minutes a day total. Most daytime grinders hold them together constantly without noticing. Practice changing your jaw’s resting position during waking hours and set reminders to keep teeth apart. This is a learned habit that responds to repetition.

Stress Management: The Trigger Most People Ignore

Stress and anxiety are the most common drivers of both daytime clenching and nighttime grinding. Strategies that help lower your overall arousal level before bed and during the day include meditation, listening to music, a warm bath, yoga, or regular exercise. These directly reduce the nervous-system tension that shows up in your jaw.

Does a Mouth Guard Stop Bruxism or Just Protect Teeth?

A night guard or splint separates your upper and lower teeth during sleep, stopping the wear, cracking, and jaw strain grinding causes. It does not, by itself, cure the grinding. Many adults need both — a guard to protect teeth while the underlying cause is addressed.

Splints come in hard plastic or soft versions and fit over the upper or lower teeth. Fit is critical: a poorly matched guard can cause harm. Since bruxism is often linked to an unstable bite, an ill-fitting guard can worsen the situation — especially if teeth are already worn, sensitive, cracked, or the bite is changing. An over-the-counter guard may work for mild cases, but relying on it as the only treatment — while ignoring possible sleep apnea or other contributors — is the most common mistake.

If weighing options, our roundup of the best bruxism guards compares fitted and boil-and-bite models for different sleep patterns and budgets.

When Medication, Botox, or Dental Work Is Necessary

Most cases respond to the layers above, but severe cases — worn teeth, chronic pain, or resistance to conservative treatment — may need more. Clinicians reserve these for patients who haven’t improved, and they’re always doctor-directed.

• Short-term muscle relaxants can break a grinding cycle, but they’re not a long-term answer.
• Anxiety or stress medication treats the root trigger when stress is the clear driver.
• Botox injections weaken jaw muscles enough to stop grinding force, reserved for severe cases not improved by other treatments.
• Dental correction — reshaping chewing surfaces or adding crowns — repairs damage and can help when the bite itself is the problem.

A definitive diagnosis matters first. While most bruxism is diagnosed by symptoms, jaw pain, and tooth wear, a sleep study is the gold standard for confirming sleep bruxism and ruling out related conditions like apnea.

Daily Habits That Reduce Grinding: What to Avoid

Beyond core treatments, everyday choices influence grinding frequency.

• Skip hard foods and chewing gum — both exercise jaw muscles and can trigger clenching.
• Cut caffeine and alcohol at night — both increase grinding intensity and frequency during sleep.
• Keep your jaw relaxed during the day — lips closed, teeth apart.
• Stop smoking — nicotine is a stimulant that worsens sleep bruxism.
• Use ice or heat, gentle stretching, or massage on a sore jaw to relieve muscle tension.
• Hydrate well — dehydration can contribute to muscle cramping and clenching.

For many children, bruxism is temporary and resolves on its own. For adults, the pattern persists until the underlying cause — stress, an unstable bite, or a sleep disorder — is directly addressed.

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