September 2, 2026

You may be grinding your teeth every night without realizing it.

Unlike daytime clenching, which you may notice when you are stressed or concentrating, sleep-related teeth grinding also called sleep bruxism can happen without your awareness. Some people only discover they grind their teeth after a partner mentions hearing grinding sounds. Others notice the consequences first: morning jaw pain, headaches, tooth sensitivity, chipped teeth, or unexplained dental wear.

Over time, untreated bruxism can place significant stress on your teeth and jaw joints.

A dental night guard can help protect teeth from the damaging effects of grinding and clenching while you sleep. However, not every night guard is the same, and an appliance should be selected based on your dental condition, bite, symptoms, and overall needs.

At Nuttall Smiles in Auburn, WA, we evaluate patients for signs of teeth grinding and can recommend appropriate treatment options, including customized dental night guards when indicated.

If you regularly wake up with jaw discomfort or notice unexplained damage to your teeth, understanding the signs of bruxism is an important first step.

What Is Sleep Bruxism?

Bruxism is the repeated grinding or clenching of the teeth.

When it occurs during sleep, it is called sleep bruxism.

During normal sleep, your jaw muscles should remain relatively relaxed. However, some people experience episodes of involuntary jaw-muscle activity that cause the teeth to press, slide, or grind against one another.

The amount of force generated during these episodes can be considerable.

Unlike normal chewing, which occurs for short periods while eating, nighttime clenching or grinding can repeatedly expose teeth and supporting structures to excessive mechanical stress.

Bruxism can affect children and adults, although symptoms and contributing factors can vary.

Why Do People Grind Their Teeth at Night?

There is not always one single cause of sleep bruxism.

Several factors may contribute, including:

• Stress and emotional tension
• Sleep disturbances
• Certain medications
• Lifestyle factors
• Caffeine or stimulant consumption
• Alcohol use
• Changes in sleep patterns
• Jaw-muscle activity and individual physiology

Bruxism can also occur alongside certain sleep-related conditions.

Because the underlying causes can vary, simply buying an over-the-counter appliance may not address the complete problem.

A dental evaluation can help determine whether your symptoms are consistent with bruxism and whether additional evaluation or treatment may be appropriate.

8 Signs You May Need a Dental Night Guard

1. You Wake Up With Jaw Pain or Soreness

One of the most common signs of nighttime clenching or grinding is waking up with a tired, tight, or painful jaw.

You may feel discomfort around:

• The jaw muscles
• The cheeks
• The temples
• The area in front of the ears

The discomfort may improve throughout the day as the muscles become more relaxed.

If you frequently wake up with jaw soreness without an obvious explanation, nighttime clenching may be contributing.

2. You Have Morning Headaches

Some people with bruxism experience headaches after waking.

Repeated contraction of the muscles involved in chewing can contribute to discomfort around the temples and forehead.

Morning headaches do not automatically mean you grind your teeth. There are many possible causes of headaches. However, when headaches occur together with jaw soreness, tooth wear, or nighttime grinding sounds, it is worth discussing with your dentist.

3. Your Teeth Are Becoming Sensitive

Tooth sensitivity can have several causes, including enamel wear, gum recession, cavities, cracks, and other dental conditions.

Grinding can contribute to sensitivity by placing excessive mechanical stress on teeth and potentially wearing down protective tooth structure.

You may notice sensitivity when consuming:

• Cold drinks
• Hot foods
• Sweet foods
• Acidic foods
• Cold air

New or persistent sensitivity should be evaluated rather than automatically attributed to bruxism.

4. Your Teeth Look Shorter or More Worn Down

Repeated tooth-to-tooth contact can gradually cause dental wear.

You may notice that your teeth appear flatter than they used to.

Some people develop flattened biting surfaces, changes in tooth shape, or visible areas of wear.

Your dentist can evaluate these patterns during a dental examination and determine whether they are consistent with grinding, normal wear, erosion, or another condition.

5. You Have Chipped, Cracked, or Damaged Teeth

Excessive biting forces can contribute to damage in teeth that are already structurally compromised.

You may notice:

• Small chips
• Cracks
• Broken fillings
• Fractured restorations
• Worn edges

A damaged tooth does not necessarily mean bruxism is responsible, but repeated fractures or unexplained restoration failures may prompt your dentist to investigate whether excessive bite forces are involved.

6. Your Partner Hears You Grinding Your Teeth

Sometimes another person notices the problem before you do.

If your partner or family member hears clicking, clenching, or grinding sounds while you sleep, this can be an important clue.

Not everyone with sleep bruxism makes loud grinding sounds, so the absence of noise does not rule it out.

7. Your Jaw Clicks, Pops, or Feels Stiff

Bruxism can place additional stress on the muscles and structures involved in jaw movement.

Some patients notice:

• Jaw stiffness
• Difficulty opening the mouth comfortably
• Clicking
• Popping
• Jaw fatigue
• Discomfort while chewing

These symptoms can also be associated with temporomandibular disorders (TMD).

If jaw symptoms are persistent, a comprehensive evaluation is important because treatment depends on the underlying cause.

8. Your Dentist Notices Signs of Grinding

You may not recognize bruxism yourself, but your dentist may identify physical evidence during an examination.

Signs can include:

• Flattened tooth surfaces
• Enamel wear
• Chipped teeth
• Cracked restorations
• Certain patterns of tooth sensitivity
• Changes in the appearance of biting surfaces

Your dentist can compare these findings over time to determine whether the wear appears to be progressing.

How Does a Dental Night Guard Work?

A dental night guard is an oral appliance worn during sleep.

Depending on the type and design, the appliance creates a protective interface between the upper and lower teeth.

The goal is to reduce direct tooth-to-tooth contact and help protect the teeth from excessive mechanical forces.

A properly designed appliance may help:

• Protect enamel from excessive wear
• Reduce direct contact between teeth
• Protect dental restorations
• Reduce some effects of clenching and grinding
• Provide a controlled biting surface

It is important to understand that a night guard does not necessarily eliminate the underlying tendency to grind.

Instead, it is primarily used to manage the consequences of bruxism and protect oral structures.

Custom Dental Night Guards vs. Store-Bought Guards

Not all night guards provide the same fit or design.

Over-the-Counter Night Guards

Store-bought appliances are generally designed to fit a broad range of mouths.

They may be:

• Boil-and-bite
• Pre-formed
• Adjustable

Although they can be accessible, they may not provide the precision or individualized design of a professionally fabricated appliance.

Custom Dental Night Guards

A custom appliance is designed based on your teeth and bite.

Your dentist can consider factors such as:

• Tooth alignment
• Existing restorations
• Bite relationship
• Severity of wear
• Jaw symptoms
• The location of grinding

The result is an appliance designed specifically for your oral anatomy.

Why a Proper Fit Matters

A night guard is worn for several hours while you sleep.

That means comfort and fit matter.

An appliance that is excessively bulky, unstable, or poorly designed may be difficult to tolerate consistently.

A dental professional can assess the appliance's fit and make adjustments when necessary.

This is especially important for patients with extensive dental work, jaw symptoms, or significant grinding.

Can a Night Guard Help With TMJ Problems?

Night guards and TMJ therapy are related but are not interchangeable.

Temporomandibular disorders can have many causes, and treatment depends on the specific problem.

For some patients, managing excessive clenching or grinding may be part of a broader strategy for reducing stress on the jaw system.

However, a night guard is not a universal treatment for every type of TMJ disorder.

If you experience persistent jaw pain, locking, limited movement, or significant clicking and popping, your dentist should evaluate the underlying condition rather than assuming a night guard alone is the answer.

The Science of Tooth Wear From Grinding

Tooth enamel is the hardest tissue in the human body, but it is not indestructible.

Repeated mechanical forces can gradually alter the surfaces of teeth.

During normal chewing, tooth contact occurs in a controlled functional pattern.

With bruxism, however, patients may repeatedly clench their teeth or move them against one another outside normal eating activity.

This can increase mechanical loading.

Over time, excessive forces may contribute to:

• Enamel wear
• Dentin exposure
• Tooth sensitivity
• Microfractures
• Chipping
• Restoration damage

The risk depends on the intensity and frequency of the forces, as well as the condition of the teeth.

Who Should Consider a Dental Night Guard?

A dental night guard may be considered for patients who have evidence of sleep bruxism or excessive nighttime clenching.

Your dentist may recommend evaluation if you have:

• Significant tooth wear
• Repeatedly damaged restorations
• Morning jaw soreness
• Evidence of grinding
• Persistent clenching
• Certain jaw symptoms
• A history of cracked or fractured teeth

The decision should be individualized rather than based solely on one symptom.

The Dental Night Guard Process at Nuttall Smiles

Step 1: Comprehensive Examination

Your dentist examines your teeth, gums, bite, and jaw.

The goal is to identify evidence of grinding and determine whether a night guard is appropriate.

Step 2: Discuss Your Symptoms

Tell your dentist what you have noticed.

For example:

• Do you wake with jaw pain?
• Do you experience morning headaches?
• Has someone heard you grinding?
• Have you chipped or fractured teeth?
• Are your teeth becoming sensitive?

These details help your dentist understand the pattern of your symptoms.

Step 3: Evaluate Your Bite and Teeth

Your dentist evaluates tooth wear and your bite relationship.

Existing crowns, bridges, fillings, implants, or other dental work may also be considered when determining appliance design.

Step 4: Create the Appliance

If a custom night guard is recommended, your dental team will obtain the information necessary to fabricate an appliance suited to your mouth.

Step 5: Fitting and Adjustment

Once the appliance is ready, your dentist checks the fit.

Any necessary adjustments can help improve comfort and ensure the appliance functions as intended.

Step 6: Ongoing Monitoring

Your night guard should be evaluated periodically.

Your dentist can monitor tooth wear, appliance condition, and changes in your symptoms.

How to Care for Your Dental Night Guard

Proper maintenance helps keep your appliance clean and usable.

After wearing your night guard:

1. Rinse it with cool or lukewarm water.
2. Clean it according to your dentist's instructions.
3. Allow it to dry before storing it.
4. Keep it in a ventilated protective case.
5. Keep it away from pets.
6. Avoid exposing it to excessive heat.

Do not use hot water unless your dentist specifically recommends it, as heat can distort some appliances.

When Should You See a Dentist About Teeth Grinding?

Schedule a dental evaluation if you notice:

• Increasing tooth sensitivity
• Frequent morning jaw pain
• Chipped or cracked teeth
• Significant tooth wear
• Repeatedly broken fillings or restorations
• Jaw discomfort
• Difficulty opening or closing your mouth
• Persistent headaches associated with jaw symptoms

Early evaluation can help identify excessive forces before they result in more extensive dental damage.

Dental Night Guards in Auburn, WA

If you are searching for a dental night guard in Auburn, WA, Nuttall Smiles can evaluate your teeth and determine whether a protective oral appliance may be appropriate.

Our office at 722 12th Street SE, Auburn, WA 98002 serves patients from Auburn and surrounding communities, including Kent, Federal Way, Pacific, Algona, and Sumner.

For patients dealing with teeth grinding, jaw discomfort, or damaged teeth, addressing the problem early can help protect your natural smile and existing dental work.

Nuttall Smiles also provides comprehensive general dentistry and TMJ therapy to address a range of dental and jaw-related concerns.

Frequently Asked Questions About Dental Night Guards

How do I know if I grind my teeth while sleeping?

Common clues include morning jaw soreness, tooth wear, headaches, sensitivity, chipped teeth, and reports from a sleeping partner who hears grinding. Your dentist can also identify physical signs during an examination.

Should I wear my night guard every night?

If your dentist recommends nighttime use, consistent use is generally important for protecting your teeth. Follow the specific instructions provided for your appliance.

Can a night guard stop me from grinding?

A night guard primarily protects your teeth from the effects of grinding and clenching. It does not necessarily eliminate the underlying cause or completely stop the behavior.

Is a custom night guard better than an over-the-counter night guard?

A custom night guard is designed around your individual teeth and bite. Whether it is the appropriate choice depends on your symptoms, dental condition, and treatment goals.

Can children grind their teeth?

Yes. Teeth grinding can occur in children. The causes and management may differ from those in adults, so persistent or significant grinding should be discussed with a dentist.

How long does a dental night guard last?

The lifespan varies depending on the material, appliance design, and severity of grinding. Patients who grind heavily may wear through an appliance more quickly. Regular dental visits allow your dentist to monitor its condition.

Can a night guard help with headaches?

If nighttime clenching or grinding contributes to your headaches, managing those forces may help reduce related symptoms. However, headaches have many possible causes and should not automatically be attributed to bruxism.

What happens if I don't treat nighttime teeth grinding?

Persistent bruxism can contribute to progressive tooth wear, fractures, sensitivity, damaged restorations, and jaw discomfort. Early evaluation can help determine whether protective treatment is appropriate.

Protect Your Smile From the Effects of Nighttime Grinding

You do not have to wait until a tooth breaks to investigate possible bruxism.

If you regularly wake with jaw soreness, experience unexplained tooth sensitivity, notice flattened or chipped teeth, or have been told that you grind your teeth while sleeping, a professional evaluation can help identify what is happening.

At Nuttall Smiles, we evaluate the condition of your teeth and jaw and determine whether a custom dental night guard or another treatment approach is appropriate for your needs.

If you are experiencing signs of teeth grinding in Auburn, WA, contact Nuttall Smiles to schedule an evaluation.

Nuttall Smiles

722 12th Street SE Auburn, WA 98002