Gloss & Floss Answers · Bite, Jaw & Teeth Grinding

Why does my jaw click?

Author: Gloss & Floss Dental Care® · Clinically reviewed by a dentist at Gloss & Floss Dental Care®

Short answer

Your jaw may click because the jaw joint, joint disc, chewing muscles or bite are not moving smoothly together. A painless occasional click is common and does not always mean something serious. Jaw clicking should be assessed if it is painful, getting worse, linked with jaw locking, limited opening, headaches, chewing difficulty, tooth grinding, clenching, worn teeth or a feeling that the bite has changed. The goal is to understand whether the click is harmless, muscle-related, TMJ-related, bite-related or connected to another dental problem.

What makes the jaw click?

The jaw joint is called the temporomandibular joint, or TMJ. It connects the lower jaw to the skull and works together with muscles, ligaments, teeth and the bite. When you open, close, chew or yawn, the joint should move smoothly.

A click can happen when the movement of the joint is slightly uneven. This may involve the joint disc, jaw muscles, ligaments, bite forces or a habit such as clenching or grinding. Some clicks are harmless and stable, while others are part of a broader jaw-function problem.

Common reasons for jaw clicking

Possible cause	How it may feel	Why assessment matters
TMJ disc movement	A click or pop when opening or closing the mouth.	It may be harmless if painless, but should be assessed if locking or pain appears.
Clenching or grinding	Jaw tiredness, morning soreness, tooth wear or clicking with muscle tension.	Bruxism can overload the jaw joint and teeth over time.
Jaw-muscle imbalance	One side feels tighter, chewing feels uneven or the jaw shifts when opening.	Muscle overload may need habit changes, bite assessment or jaw-function guidance.
Bite imbalance	The bite feels uneven, high, changed or uncomfortable.	Teeth, restorations and bite contacts may need evaluation.
Trauma or overuse	Clicking after injury, wide opening, hard chewing or dental procedures.	Recent trauma or sudden change should be assessed more carefully.
Joint inflammation or arthritis	Stiffness, grinding sound, soreness or reduced movement.	Persistent joint symptoms may need broader evaluation.

Is jaw clicking dangerous?

Not always. Many people have jaw clicking without pain, locking or functional problems. A stable, painless click may not need active treatment if the jaw opens normally and there are no signs of tooth damage, muscle pain or worsening symptoms.

However, clicking should not be ignored if it is new, painful, increasing, associated with jaw locking, limited opening, chewing difficulty, ear-area pain, headaches, facial pain, tooth wear or a bite that suddenly feels different.

When jaw clicking is more concerning

The click is painful
The jaw locks open or closed
You cannot open your mouth fully
The jaw shifts strongly to one side when opening
Chewing becomes difficult or uncomfortable
You have morning jaw pain or headaches
You grind or clench your teeth
Your teeth are worn, chipped or sensitive
Your bite suddenly feels different
The clicking started after trauma or a dental procedure
There is swelling, fever, severe pain or facial numbness

Jaw click, pop, crack or grinding sound: what is the difference?

Sound or sensation	Possible meaning	When to check it
Single click	The joint or disc may be moving over a point during opening or closing.	Check if painful, worsening or associated with locking.
Pop	Similar to a click, sometimes louder or felt more clearly.	Check if it affects opening, chewing or comfort.
Crack or snap	May be joint-related or linked to sudden movement.	Check if new, painful or after injury.
Grinding or grating sound	May suggest rougher joint movement or joint-surface changes.	Check if persistent, painful or combined with stiffness.
Click with lock	The joint movement may be restricted or interrupted.	Book assessment promptly, especially if opening is limited.

Can teeth grinding make the jaw click?

Yes. Teeth grinding and clenching can overload the jaw muscles, teeth and jaw joints. This may contribute to jaw clicking, morning stiffness, headaches, tooth wear, cracked fillings or a tired feeling in the chewing muscles.

Grinding is not the only cause of clicking, but it is an important factor to assess. If the teeth also show wear, cracks or sensitivity, the dentist may recommend a bruxism assessment and protective planning.

Can stress make jaw clicking worse?

Stress can increase daytime clenching, jaw bracing and muscle tension. When the jaw muscles are tight, the joint may feel less smooth during movement, and clicking may feel more noticeable.

Stress can be part of the picture, but painful or changing jaw clicking should still be examined. Dental causes, TMJ issues, bite changes, tooth cracks and infection should not be dismissed as “only stress.”

Can a bite problem cause jaw clicking?

Sometimes bite forces, missing teeth, uneven restorations, tooth wear or a changed bite can contribute to jaw discomfort and clicking. The relationship between bite and TMJ symptoms is not always simple, so treatment should be based on careful diagnosis rather than automatic bite adjustment.

If the bite suddenly feels different, one tooth feels too high, or jaw clicking begins after a new filling, crown, trauma or dental procedure, it is reasonable to have the bite checked.

What affects the diagnosis?

Whether the click is painful or painless
Whether the jaw locks or opens normally
Whether the click happens on opening, closing or chewing
Whether the jaw shifts to one side
Whether there is morning jaw pain or stiffness
Whether you grind or clench your teeth
Whether teeth are worn, cracked or sensitive
Whether headaches, ear-area pain or facial pain are present
Whether the bite feels changed
Whether there has been trauma, dental treatment or recent wide opening
Whether there are signs of infection, swelling or systemic symptoms

How a dentist assesses jaw clicking

The dentist may check jaw opening, movement pattern, clicking location, muscle tenderness, TMJ tenderness, bite contacts, tooth wear, cracks, restorations, gum support and symptoms such as headaches or jaw locking. The dentist may also ask whether the clicking is new, painful, stable or getting worse.

X-rays or other imaging are not needed for every clicking jaw. They may be considered if there is trauma, suspected joint disease, severe limitation, infection, unexplained pain or complex treatment planning needs.

What you can do before your appointment

Avoid forcing the jaw to click repeatedly
Avoid very wide opening when yawning or biting large foods
Choose softer foods temporarily if chewing is painful
Avoid chewing gum if it increases clicking or soreness
Keep the teeth slightly apart when not eating
Notice whether you clench during work, stress or concentration
Bring any existing night guard to the visit
Write down when the click happens and whether it is painful
Seek care sooner if the jaw locks or opening becomes limited

What treatment may be needed?

Treatment depends on the cause and severity. A painless stable click may only need explanation and monitoring. Painful clicking may need jaw-muscle guidance, clenching management, a custom night guard, bite assessment, restoration review, physiotherapy-style jaw exercises or broader bite rehabilitation in selected cases.

More complex cases with locking, trauma, severe limitation, suspected joint disease or persistent symptoms may require further referral or imaging. The treatment should be conservative and diagnosis-led whenever possible.

Treatment options by situation

Situation	Possible approach	Reason
Painless occasional clicking	Explanation, monitoring and avoiding overload.	Not every click needs active treatment.
Clicking with clenching or grinding	Bruxism assessment and custom night guard if indicated.	The teeth and jaw may need protection from heavy forces.
Clicking with muscle pain	Jaw-muscle guidance, habit awareness and bite assessment.	Muscle overload can make jaw movement less comfortable.
Clicking with tooth wear or broken restorations	Bite-force assessment and restorative protection.	Dental damage may continue if forces are not controlled.
Clicking with locking or limited opening	Prompt jaw-function assessment and possible referral if needed.	Restricted movement requires more careful evaluation.
Clicking after trauma	Dental or medical assessment depending on severity.	Injury-related changes should not be ignored.

Can a night guard help jaw clicking?

A night guard may help when clicking is linked with grinding, clenching, tooth wear or jaw-muscle overload. Its main purpose is to protect the teeth and distribute forces more safely during sleep.

A night guard does not always remove the click itself. If the clicking is due to joint-disc movement or joint limitation, the appliance may be only one part of the plan, or it may not be the main treatment.

When jaw clicking needs urgent attention

Your jaw is locked and you cannot open or close normally
You have severe pain after trauma
You cannot eat or speak normally because of jaw restriction
The bite suddenly feels very different after injury
You have swelling, fever, pus or signs of infection
You have numbness, facial weakness or neurological symptoms
The jaw pain is severe, worsening or spreading

What happens at Gloss & Floss?

At Gloss & Floss Dental Care® in Södermalm, Stockholm, we assess jaw clicking by checking jaw movement, TMJ symptoms, chewing muscles, bite contacts, tooth wear, grinding signs, restorations, sensitivity and whether the jaw locks or opens normally. We explain whether the clicking appears harmless, bruxism-related, muscle-related, bite-related or likely to need further evaluation.

For English-speaking patients, expats and international residents, we explain terms such as TMJ, TMD, jaw clicking, disc movement, bruxism, clenching, night guard, bite splint, bite rehabilitation and jaw locking in clear English before treatment decisions are made.

Questions to ask your dentist

Is my jaw clicking harmless or clinically important?
Is the click coming from the joint, muscles or bite?
Do I show signs of grinding or clenching?
Is my jaw opening normally?
Is the jaw joint painful or only noisy?
Do my teeth show wear or cracks?
Could a night guard help in my case?
Do I need bite rehabilitation or only monitoring?
Should I avoid any jaw habits or chewing patterns?
When should I return if symptoms change?

When should you seek care?

Book a dental assessment if your jaw clicking is painful, new, worsening, linked with jaw locking, limited opening, chewing difficulty, headaches, morning jaw pain, tooth grinding, tooth wear, sensitivity or broken restorations. Seek care sooner if the jaw locks, the bite suddenly changes, the clicking follows trauma, or you have swelling, fever, severe pain or neurological symptoms.

Frequently asked questions

Why does my jaw click when I open my mouth?

A jaw click when opening may happen when the jaw joint or disc does not move smoothly. It can also be related to muscle tension, clenching, grinding or jaw-function imbalance.

Is jaw clicking normal?

Painless occasional jaw clicking is common and does not always need treatment. It should be assessed if it is painful, worsening, linked with locking or affects chewing and opening.

Can jaw clicking go away?

Sometimes it improves if overload, clenching or muscle tension reduces. In other cases, the click remains but is harmless if there is no pain, locking or functional problem.

Can stress make my jaw click?

Stress can increase clenching and jaw-muscle tension, which may make clicking more noticeable. However, painful or changing clicking should still be examined properly.

Can a night guard stop jaw clicking?

A night guard may help if clicking is related to grinding or clenching, but it does not always stop the click itself. The cause of the clicking should be assessed first.

Should I worry if my jaw locks?

Yes. Jaw locking, limited opening or inability to close normally should be assessed promptly, especially if it is painful, new or affects eating and speaking.

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Disclaimer

This article provides general information from Gloss & Floss Dental Care® in Stockholm. It does not replace an individual dental examination, TMJ assessment, bite assessment, bruxism diagnosis, imaging decision, medical assessment, night-guard fitting, cost estimate or personalised treatment plan.

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