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Guide

Worn teeth from grinding: protect first, then rebuild

Grinding and clenching (bruxism) can wear teeth flat, short and chipped, often without you noticing, because much of it happens in your sleep. Worn teeth can be rebuilt, but the order matters: the cause is found and the teeth protected first, and rebuilding is done as conservatively as your teeth allow.

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In short

How are teeth worn down by grinding treated?

First the cause is diagnosed: grinding, acid erosion or both. Then the teeth are protected, usually with a custom night guard, and the wear is watched over time. European consensus guidance advises delaying restoration as long as is reasonable, then restoring conservatively. When teeth do need rebuilding, options range from bonding to crowns, and severe wear across the mouth may call for full-mouth reconstruction.

From the office of Dr. Angela Berkovich, DMD, Deerfield Beach · (954) 427-3000

Last updated

What grinding does to front teethTwo front views of the upper front teeth. Left, typical teeth: rounded edges of slightly different lengths. Right, teeth worn by grinding: all edges cut to the same flat line, the teeth shorter, with a chip in one corner, and a dashed outline showing their original length.Illustration, not a patientTypical edgesRounded, uneven lengthsWorn by grindingFlat, even edgesChipsShorter teeth

What grinding does to front teeth

Worn, flattened or chipped teeth are a typical sign of grinding. The edges lose their natural shape and the teeth look shorter. The dashed outline is the tooth's original length; your dentist compares it over time to see whether the wear is still going on.1,5,6

Signs
Worn, flattened or chipped teeth, a sore jaw, morning headaches5
Often unnoticed
Sleep grinding usually goes unnoticed by the person doing it5
First step
Diagnose the cause, control it and monitor the wear1
Protection
A custom-fitted night guard6
Rebuilding
As late and as conservatively as is reasonable1

Signs of tooth wear to mention at your visit

Any of these is worth raising. Your dentist can see wear before it hurts.

  • Front teeth that look shorter or flatter than they used to
  • Small chips along the biting edges
  • A sore jaw or a headache when you wake up
  • A partner who hears you grinding at night
  • Old fillings or crowns that keep breaking

Stress, sleep apnea, some medications, smoking, alcohol and caffeine are all linked with grinding, so your dentist may ask about them.

How worn teeth are treated

The order below follows the European consensus on severe tooth wear.

  1. Find the cause

    Grinding, clenching, acid erosion from diet or reflux, or a mix. Each needs a different fix.1,5,7

  2. Protect the teeth

    A custom night guard takes the force of grinding at night while the cause is addressed.6

  3. Watch the wear

    Photos, scans or models are compared over time to see whether the wear has slowed or stopped.1

  4. Restore conservatively

    When teeth need rebuilding, the least invasive option comes first: bonding on worn edges, then onlays or crowns where more tooth is lost.1,8,9

  5. Rebuild the bite if needed

    When wear is severe across the mouth, the bite height may need raising; any change is tested before it is made final.2,4

Mild wear or severe wear?

Treatment scales with how much tooth has been lost.

Mild wear or severe wear?
AspectMild to moderate wearSevere wear across the mouth
Usual first stepNight guard and monitoring1,6Diagnosis, night guard and a full plan
Typical repairBonding on worn edges, if needed4,8Onlays, crowns or full-mouth reconstruction
Bite heightUsually unchanged2May be raised, tested in trial restorations
Quality of lifeDepends on symptoms3Often improves after treatment, on low-certainty evidence

When rebuilding can wait, or is not the answer

  • If the wear is slow or has stopped, watching it with a night guard may be the right plan for years. Consensus guidance favors waiting.1
  • If acid erosion is the main cause, diet, reflux or other health causes need attention first, or new restorations wear too.1,7
  • If you have jaw-joint (TMD) symptoms, any change in your bite is tested first with a removable appliance.2

Questions patients ask

Can worn teeth grow back?

No. Enamel lost to grinding does not come back. It can be protected from further wear and, where needed, rebuilt with bonding, onlays or crowns.1,7

Do I need a night guard?

If you grind, very likely. A dentist-made guard fits your teeth and protects them better than an over-the-counter one.6

Why not fix the teeth straight away?

Because new restorations wear and break too if the grinding or erosion continues. Consensus guidance is to diagnose and control the cause first and to restore as late and as conservatively as is reasonable.1

Is grinding linked to sleep problems?

It can be. Sleep apnea is among the causes linked with grinding, so a sore jaw or morning headaches alongside poor sleep are worth mentioning. Your physician can assess your sleep.5

Who you'll see

Dr. Angela Berkovich, DMD

Dr. Angela Berkovich, DMD

Dentist, trained at Oregon Health & Science University School of Dentistry

Dr. Berkovich checks for wear at your exam, protects the teeth first and plans any rebuilding with the dental lab next door.

Medical content reviewed by Dr. Angela Berkovich, DMD on .

Office: 1348 E Hillsboro Blvd Suite A, Deerfield Beach, FL 33441. (954) 427-3000

About Dr. Berkovich

Sources

  1. PubMed: Loomans et al. 2017, severe tooth wear: European consensus statement
  2. PubMed: Abduo & Lyons 2012, clinical considerations for increasing occlusal vertical dimension
  3. PubMed: van Sambeek et al. 2024, quality of life after treatment of tooth wear: systematic review
  4. American College of Prosthodontists (GoToAPro): Full-mouth reconstruction
  5. Cleveland Clinic: Bruxism (Teeth Grinding): Symptoms, Causes & Treatment
  6. American Dental Association (MouthHealthy): Teeth Grinding and Jaw Pain
  7. Cleveland Clinic: Tooth Erosion: Stages, Causes & Treatment
  8. Cleveland Clinic: What is Dental Bonding & What To Expect
  9. Cleveland Clinic: Dental Crowns: Types, Procedure & Care

General information, not a diagnosis or a promise of results. Individual results vary, and whether a treatment suits you depends on your exam.

Talk it through at a consultation

Bring your questions and any X-rays you already have. We'll look at your teeth, explain which options are reasonable for you, and what each one involves.

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