If your jaw feels tight, tired or sore from clenching, it makes sense to wonder whether a few jaw exercises could help. The answer is more nuanced than many online exercise lists suggest.
Gentle jaw movement, stretching, physical therapy and habit-awareness techniques may help some people with muscle-related jaw discomfort or temporomandibular disorders (TMDs). They may also help you become more aware of daytime clenching.
But there is much less evidence that a generic set of mouth exercises can actually stop sleep bruxism—the grinding or clenching that happens while you are asleep.
Can jaw exercises actually stop teeth grinding?
Not reliably.
Bruxism includes grinding, clenching or bracing of the jaw and can occur while you are awake or asleep. Those two patterns matter because they are not equally easy to control.
Awake clenching
Daytime clenching happens while you are conscious. That means awareness can play a meaningful role.
If you notice that your teeth are repeatedly pressed together while you work, drive, concentrate or feel tense, reminders to relax the jaw and keep the teeth apart may help reduce the amount of time you spend clenching.
Learn more in our guide to daytime jaw clenching.
Sleep bruxism
Sleep bruxism occurs while you are asleep, so simply remembering to relax the jaw cannot directly control it in the same way.
Physical therapy, exercise and other approaches have been studied for bruxism, but the evidence remains limited and inconsistent. Exercises may help associated muscle discomfort without necessarily eliminating the grinding activity itself.
Where does exercise have better evidence?
The evidence is stronger for therapeutic exercise as part of care for certain temporomandibular disorders than it is for exercise as a cure for bruxism.
Research has found that exercise therapy can improve pain and mouth-opening function in some people with TMD. But TMD is not one condition, and studies use different exercises, diagnoses and treatment protocols.
That means a routine designed for someone with muscular jaw pain may not be appropriate for someone with painful locking, a joint injury or another source of facial pain.
If you are not sure why your jaw hurts, start with our broader guide: Why Does My Jaw Hurt? Common Causes of Jaw Pain and What to Do.
5 gentle approaches that may help jaw tension and clenching
The following are intentionally conservative. They are not intended to reposition the jaw, force greater range of motion or treat a specific joint disorder.
Stop if a movement causes sharp pain, worsening symptoms, locking or significant discomfort.
1. Practice a relaxed resting jaw position
This is particularly relevant for awake clenching.
Check in with your jaw several times throughout the day. If you notice that your teeth are firmly touching even though you are not chewing or swallowing, allow the jaw to relax and the teeth to separate.
The goal is not to hold your mouth artificially open. It is simply to interrupt unnecessary sustained clenching.
Phone reminders, computer prompts or sticky notes can be useful if clenching tends to happen automatically while concentrating.
2. Try gentle, controlled jaw opening
If your jaw moves comfortably and you have not been told to restrict movement, slow opening and closing through a comfortable range may help maintain movement without aggressively stretching the joint.
Move slowly. Stay within a range that feels comfortable. Then close gently.
You do not need to open as wide as possible for the movement to be useful.
3. Relax the chewing muscles rather than repeatedly “working” them
A jaw that already feels overworked does not necessarily need more forceful exercise.
Some people find gentle relaxation of the cheek and temple muscles comfortable. Light self-massage around the chewing muscles may also feel soothing when the area is simply tense or tired.
Avoid aggressive pressure over a painful joint or swollen area.
4. Reduce activities that keep the jaw working
Sometimes the best “exercise” for an irritated jaw is temporarily asking it to do less.
If your jaw is sore, consider reducing:
- chewing gum
- nail biting
- chewing pens or other objects
- very chewy foods during a painful flare
- repeatedly testing the jaw by opening it widely
This is especially relevant when the chewing muscles already feel fatigued.
5. Use relaxation and breathing as an awareness tool
Stress does not explain every case of bruxism or TMD. But emotional stress can be associated with awake clenching and muscle tension in some people.
Slow breathing, meditation or another relaxation practice may give you an opportunity to notice whether you are simultaneously tightening your shoulders, face and jaw.
The useful part is not a claim that breathing exercises somehow switch off sleep grinding. It is the opportunity to recognize and interrupt unnecessary muscle tension while you are awake.
Which jaw exercises should you avoid?
More aggressive is not necessarily more therapeutic.
Several common internet exercises deserve caution, particularly when the cause of jaw pain is unknown.
Forcing your mouth open as wide as possible
A therapeutic exercise should not become a contest to increase range of motion.
Forcing an already painful or irritated jaw into maximal opening can aggravate symptoms, particularly if the joint is locking or movement is restricted.
Repeatedly clenching your teeth as an “exercise”
If excessive clenching is already the problem, repeatedly reproducing that behavior without a specific therapeutic reason is difficult to justify as a general self-care strategy.
The goal for awake clenching is typically greater awareness and less unnecessary sustained muscle activity—not practicing harder clenching.
Pushing the lower jaw forward or sideways
Exercises intended to reposition the jaw should not be prescribed generically to every person with grinding or jaw pain.
Painful joint problems, disc disorders and bite changes need diagnosis before someone repeatedly tries to manipulate jaw position.
Using objects between your teeth
There is no need to put peas, pens or other household objects between your teeth as part of a general jaw-exercise routine.
Unsupervised resistance or positioning exercises can introduce unnecessary dental and jaw risk without establishing that they address your actual problem.
Exercising through sharp pain
Mild muscular awareness and sharp pain are not the same thing.
Stop an exercise if it clearly worsens pain, causes locking, creates new tooth pain or makes jaw movement more difficult.
What about chewing gum?
Chewing gum is sometimes promoted as a way to “exercise” or relax the jaw, but it continuously activates the chewing muscles.
If those muscles are already sore or overworked, additional chewing may aggravate discomfort. Current TMD self-management guidance commonly recommends reducing gum chewing during symptomatic periods.
That does not mean chewing gum causes bruxism. It simply means that repeatedly loading an already painful jaw may not be helpful.
Can exercises improve sleep bruxism?
We do not currently have strong evidence that performing a few jaw movements before bed reliably prevents grinding later that night.
Sleep bruxism is more complicated than a jaw muscle that simply needs to be stretched before sleep.
If nighttime grinding is damaging your teeth, treatment may focus on protecting the teeth even when the grinding behavior itself cannot be completely eliminated.
A properly fitted night guard places material between opposing teeth and can reduce direct tooth-to-tooth damage. It should not be described as an exercise substitute or a guaranteed way to stop bruxism.
Read more about that distinction in Does a Dental Night Guard Stop Teeth Grinding?.
Can physical therapy help jaw pain?
Yes, physical therapy can be useful for some people with TMD or persistent muscle-related jaw symptoms.
A physical therapist familiar with temporomandibular and orofacial conditions can evaluate movement rather than simply handing every patient the same exercise sheet.
Depending on the diagnosis, treatment may involve:
- guided therapeutic exercise
- movement retraining
- manual therapy
- education about aggravating habits
- jaw and neck mobility work
- strategies for reducing unnecessary muscle activity
Research suggests that therapeutic exercise and some physical-therapy approaches can improve pain and jaw function in people with TMD, although treatment should still be matched to the specific condition.
Do you need a night guard if you are doing jaw exercises?
These approaches serve different purposes.
Exercises and habit awareness may be aimed at movement, muscle symptoms or daytime clenching behavior.
A night guard is primarily a mechanical protective appliance used to separate opposing teeth when grinding or clenching puts them at risk.
One does not automatically replace the other.
If grinding or clenching is known to be part of your problem and you are considering an appliance, see our guide to mouth guards for teeth grinding and clenching.
When should you stop exercising the jaw and get evaluated?
Generic jaw exercises are not appropriate for every type of jaw or facial pain.
Get professional guidance if you have:
- jaw locking
- progressively limited mouth opening
- significant or worsening pain
- facial or jaw swelling
- fever or signs of dental infection
- recent trauma to the face or jaw
- a sudden or persistent change in your bite
- significant tooth pain
- numbness or weakness
- an exercise that consistently makes symptoms worse
A dentist, physician, physical therapist or clinician experienced in TMD/orofacial pain can help determine whether exercise is appropriate and which type makes sense.
What if you grind your teeth but have no jaw pain?
You do not need to develop jaw pain for bruxism to matter.
Some people have dental wear, chipped restorations or damaged teeth without significant muscle soreness. Others have jaw-muscle discomfort without dramatic visible wear.
If your main concern is whether grinding is occurring at all, see How Do I Know If I'm Grinding My Teeth at Night?.
The bottom line
Jaw exercises can be useful—but their role should be described accurately.
Gentle movement, physical therapy and awareness techniques may help some people with TMD-related pain, muscle tension or daytime clenching. The evidence is much weaker for the claim that a generic exercise routine can stop sleep bruxism.
If you try jaw exercises, favor comfortable, controlled movement over force. Do not repeatedly clench your teeth, force the mouth to maximum opening or push the jaw into a new position simply because an online exercise list tells you to.
And when pain is persistent, movement is restricted or the diagnosis is unclear, finding out why the jaw hurts is more useful than performing increasingly aggressive exercises.
Sources
National Institute of Dental and Craniofacial Research (NIDCR), Temporomandibular Disorders (TMDs).
National Institute of Dental and Craniofacial Research (NIDCR), Bruxism.
Idáñez-Robles AM, et al. Exercise therapy improves pain and mouth opening in temporomandibular disorders: A systematic review with meta-analysis. Clinical Rehabilitation. 2023.
Amorim CSM, et al. Effect of Physical Therapy in Bruxism Treatment: A Systematic Review. Journal of Manipulative and Physiological Therapeutics. 2018.
Editor’s note: Updated September 5, 2026. This article was substantially revised to remove unsupported claims that mouth exercises can reliably stop sleep bruxism, eliminate aggressive jaw-positioning and forced-opening exercises, distinguish awake clenching from sleep bruxism, and align exercise guidance with current TMD and bruxism evidence.
This article is for educational purposes and is not a substitute for individualized dental, medical or physical-therapy care.