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Pediatric Dentistry
Kids' Dental

Why Your Child Grinds Their Teeth at Night

Dr. Gina Dorfman
February 5, 2026 5 min read

Teeth grinding (bruxism) is common in children. Learn the causes and when to worry.

Hearing your child grind their teeth at night can be alarming. Known as bruxism, this is actually very common in children and often not a cause for concern.

How Common Is It?

About 3 in 10 children grind their teeth. It's most common in children under 5 and often decreases with age.

Why Children Grind Their Teeth

Growing Pains - Jaw and teeth are developing - Baby teeth being replaced by permanent teeth - Often stops on its own

Stress and Anxiety - School stress - Changes in routine - Family stress - Nightmares

Medical Factors - Allergies - Sleep disorders - Enlarged tonsils/adenoids - Ear infections

When to Be Concerned

  • Chronic jaw pain
  • Headaches, especially in the morning
  • Tooth sensitivity
  • Visible tooth wear
  • Difficulty sleeping

Treatment Options

Observation Many children need no treatment—they simply outgrow it.

Addressing Causes - Managing stress - Treating allergies - Evaluating for sleep disorders

Dental Solutions - Nightguards for older children - Adjusting bite if needed - Treating damaged teeth

Tips for Parents

  • Establish calming bedtime routines
  • Address sources of stress
  • Ensure adequate sleep
  • Limit screen time before bed
  • Create a relaxing sleep environment

Monitoring Is Key

We check for signs of grinding at every visit. If you're concerned, let us know—we're happy to take a look.

Related Topics

bruxism
teeth grinding
sleep

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