Can Biofeedback Help With Bruxism and Stop the Clenching Habit

By Randy Clare

Can biofeedback help with bruxism and stop the clenching habit? It can help by making an unconscious jaw pattern easier to notice in real time. The common pattern is clenching before awareness. Your teeth come together, your muscles tighten, and your brain treats the tension as normal. Over time, this may lead to jaw fatigue, headaches, tooth sensitivity, and frustration with passive solutions. Biofeedback does not work by forcing your jaw to relax. It works by helping you notice what your body is already doing. You cannot change a clenching habit you have not learned to notice. Once you notice it, you can practice release. Tracking, biofeedback cues, and the teeth-apart posture help turn awareness into training.

If you clench or grind your teeth, you may already know how frustrating bruxism can be. You tell yourself to relax, but the habit keeps showing up anyway. Your jaw feels sore in the morning. Your temples ache after a stressful afternoon.

Your dentist points out worn enamel, cracked fillings, or flattened edges. You may even wear a night guard and still wonder why your jaw muscles never seem to get the message.

That frustration is understandable because bruxism is not always a fully conscious behavior. Clinically, bruxism is defined as repetitive jaw muscle activity that may involve clenching, grinding, bracing, or thrusting of the jaw.1 It can happen while you are awake or during sleep.

That means bruxism is not limited to the classic image of nighttime grinding. Many people clench silently during work, driving, exercise, screen time, or emotional stress. Others do it during sleep and only discover it through symptoms later.

This helps explain why the habit is so hard to stop. You cannot easily change a behavior you do not notice in real time. Many people only become aware of bruxism after the consequences appear: headaches, facial fatigue, tooth sensitivity, jaw stiffness, broken dental work, or tension that spreads into the neck and shoulders. By then, the damage has already begun.

Traditional approaches often focus on protection, and that can be important. Mouthguards and splints may help protect teeth and restorations from excessive force. But protection is not the same as retraining.

A passive device can reduce damage while allowing the underlying habit to continue. That is why many people with bruxism start looking for something more active, especially if they feel stuck in a cycle of clenching, pain, and repeat.

This is where biofeedback becomes relevant. Biofeedback works by giving you information about something your body is doing so you can respond differently. In bruxism, that means helping you recognize clenching close to the moment it starts. Instead of waiting for pain to tell you what happened hours ago, biofeedback can create a timely cue that allows you to interrupt the behavior sooner.2

That does not mean biofeedback is a cure for every kind of bruxism. The condition is multifactorial. It may be influenced by stress, arousal during sleep, medications, airway factors, nervous system state, and habit patterns.3 But research suggests that certain biofeedback approaches may reduce the frequency, duration, or intensity of bruxism activity in some users, especially when the goal is awareness and habit retraining rather than passive symptom coverage.2,4-7

This article answers a question many people are now asking: can biofeedback help with bruxism and stop the clenching habit? The honest answer is that biofeedback may help some people reduce bruxism by making the behavior more noticeable and easier to interrupt. That is an important distinction.

The goal is usually not to eliminate every jaw muscle event forever. The more realistic goal is to reduce harmful load, improve awareness, and help your jaw spend more time in a healthy resting position.

To explain that clearly, this article will cover what bruxism is, why it is difficult to stop, why mouthguards and biofeedback are not the same thing, how biofeedback works, what the research shows, and how ClenchAlert can be understood as an example of a biofeedback training device.

Throughout, the focus will remain educational. The purpose is not just to say that biofeedback exists. It is to explain how it works, when it may be useful, and what kind of outcomes you can reasonably expect.

What Bruxism Is and Why It Is So Hard to Stop

Bruxism is more than grinding. The current expert definition describes it as repetitive jaw muscle activity characterized by clenching or grinding of the teeth and or by bracing or thrusting of the mandible.1

This broader definition matters because many people do not make loud grinding sounds. Instead, they brace the jaw, hold the teeth together, or keep the facial muscles active for long periods without realizing it.

Bruxism also has two circadian forms. It can happen during wakefulness, called awake bruxism, or during sleep, called sleep bruxism.1 Awake bruxism often shows up during concentration, emotional stress, time pressure, or screen-heavy work. Sleep bruxism is classified as a sleep-related movement disorder and often occurs during brief arousal-related events that the sleeper may not remember.1

That is one reason bruxism is so difficult to stop. Awareness often arrives after the behavior, not before it. Many people do not notice they are clenching until their face feels tight, their teeth feel sore, or their jaw is stiff enough to get their attention.

In sleep bruxism, the awareness gap is even larger because the person is asleep while the behavior is happening.

This pattern creates a frustrating experience. The person is told to relax, but they do not catch the habit in real time. They are trying to change a behavior that keeps running in the background. When that happens over weeks, months, or years, bruxism can begin to feel automatic.

There is also the issue of habit and physiology. Bruxism does not usually persist because someone wants it to. It often behaves like a learned response pattern. Stress, concentration, sleep-related arousal, and nervous system activation can all serve as triggers.3

When the jaw repeatedly responds the same way, the behavior becomes easier for the body to repeat. That is why clenching can start to feel like a default setting rather than a deliberate act.

This is the core reason the habit is hard to stop. The problem is not simply lack of effort. The problem is lack of timely awareness combined with automatic repetition.

Why Mouthguards Protect Teeth but Do Not Stop the Habit

Mouthguards and occlusal splints have an important role in bruxism care. They can help protect enamel, reduce wear on restorations, and create a physical barrier between the teeth. For many people, that protection is useful and necessary.

But a protective appliance does not necessarily teach the jaw to stop clenching.

That distinction is supported in the literature. In the 2015 pilot study by Gu and colleagues, the authors noted that the inherent effect of an occlusal splint is protection of tooth wear rather than alleviation of bruxism behavior itself.3 In their study, participants using biofeedback therapy showed significant reductions in bruxism episodes and duration after 6 and 12 weeks, while the occlusal splint group did not show significant differences over the same periods.3

That finding does not mean mouthguards are ineffective. It means they serve a different purpose. A mouthguard mainly acts as passive protection. It may reduce some of the consequences of bruxism without changing the underlying behavior. If your primary goal is to prevent tooth damage, that may be enough. If your goal is to reduce the habit itself, protection alone may feel incomplete.

This helps explain why many people say the mouthguard “saved my teeth but not my jaw.” They still wake up sore. They still clench during the day. They still feel the habit is happening under the surface. The guard may be doing its job, but it is not acting as a training tool.

That is where biofeedback enters the conversation. A biofeedback device is designed to make the behavior more visible. Instead of only buffering force after clenching happens, it aims to increase awareness while the clenching is occurring, so the user has a chance to respond.

In plain language, a passive splint protects. A biofeedback device teaches. Some treatment plans may benefit from both, but they should not be described as if they do the same thing.

What Biofeedback Is and How It Works for Bruxism

Biofeedback is a method of giving you information about a body process so you can learn to change it. In bruxism, that means detecting clenching or grinding and delivering some kind of signal that helps bring the behavior into awareness.2

Different devices do this in different ways. Some biofeedback systems have used electromyography, or EMG, to detect muscle activity through electrodes placed on jaw muscles. Others have used intraoral pressure sensors that respond to tooth contact or bite force. Some use vibratory feedback. Others have used electrical stimulation.3-7

The core principle is the same. The device detects activity and provides a contingent response. That response gives the user an opportunity to notice what the jaw is doing and change it.

For awake bruxism, the process is fairly intuitive. If you clench during work, stress, or concentration, a timely signal can alert you to the behavior while it is happening. That creates a chance to release the jaw, separate the teeth, relax the face, and return to a healthier resting position.

For sleep bruxism, the mechanism is more indirect because the person is asleep. But certain studies suggest that contingent vibratory or electrical stimuli may reduce bruxism activity without substantially disturbing sleep.4-7

In one pilot study, the total duration of sleep bruxism decreased significantly when a contingent vibratory stimulus was applied, while the micro-arousal index did not show substantial change.4

That matters because a useful sleep biofeedback approach should not merely swap one problem for another by repeatedly waking the person.

The educational point is that biofeedback is not punishment. It is not there to shame the jaw into behaving. It is there to create earlier awareness and support learning. The intended outcome is not just fewer episodes on paper. It is also improved ability to detect clenching and practice a different response.

That is why biofeedback is often described as training rather than treatment. It is a process of helping the nervous system recognize a pattern sooner and respond differently often enough for a new pattern to become more familiar.2

Can Biofeedback Help With Bruxism

Yes, biofeedback may help with bruxism, but it is important to be precise about what “help” means.

Biofeedback is not a guaranteed cure for every cause of bruxism. The condition is multifactorial, and not every case is driven by the same mechanism.3 Some people have strong daytime habit patterns. Others have more sleep-related or medically influenced patterns. A device that improves awareness cannot erase every contributing factor.

However, the available research does support the idea that biofeedback can reduce certain forms of bruxism activity in some users.

In the 2015 pilot study by Gu and colleagues, twenty-four volunteers with sleep bruxism were divided into a biofeedback group and an occlusal splint group. After 6 and 12 weeks, the biofeedback group showed significant declines in episode frequency and duration, while the occlusal splint group did not show significant changes.3

In the randomized controlled clinical trial by Bergmann and colleagues, the biofeedback splint group showed statistically significant reductions in the frequency and duration of bursts, as well as significant improvement in global well-being and facial muscle pain compared with an adjusted occlusal splint group. 5

Additional work on contingent vibratory stimulus also supports the idea that intraoral biofeedback may reduce sleep bruxism activity. Nakamura and colleagues reported a statistically significant decrease in total sleep bruxism duration with vibration, and Nakazato and colleagues later reported significant decreases in both the number and total duration of episodes when vibratory stimulus was applied via an oral appliance.4,6

That said, not all outcomes are equally strong. Some studies using contingent electrical stimulation found reductions in jaw muscle EMG activity without clear improvement in self-reported pain.7 This is an important reminder that lowering muscle events and improving how a person feels are related but not identical outcomes.

So the balanced answer is this: biofeedback appears promising as a behavioral and physiological management tool. It may reduce the duration, frequency, or intensity of bruxism-related activity in some people. It may also help users become more aware of their clenching patterns and more capable of interrupting them. But it should not be described as a universal cure.

When Biofeedback Is Most Useful

Biofeedback is most useful when the biggest problem is that clenching happens outside awareness.

That is especially true for awake bruxism. If you tighten your jaw during concentration, driving, screen use, emotional stress, or work pressure and only notice later when symptoms appear, a feedback cue can be very valuable. The missing ingredient in that situation is often not motivation. It is timing.

A timely cue helps move awareness closer to the start of the behavior. That gives you a realistic opportunity to respond before the load becomes prolonged. In practical terms, that means separating your teeth, softening the jaw muscles, and returning to a more neutral posture sooner.

Biofeedback may also be useful for people who want more than passive tooth protection. Some users want to understand patterns. They want to know whether clenching gets worse with caffeine, deadlines, posture collapse, certain daily routines, or poor sleep. Devices that monitor and cue bruxism events may help reveal those patterns more clearly.

There is also a possible role in sleep bruxism, though expectations should be more measured. Studies on vibratory biofeedback suggest that certain devices may reduce episode duration or frequency without major sleep disruption.4-6 That does not mean every person with sleep bruxism is an ideal candidate, but it does show that biofeedback can be relevant beyond daytime use.

The most important point is that biofeedback works best when the goal is awareness and self-regulation over time. It is particularly useful for people who are ready to participate in training, not just wear a passive device and hope for change.

How Biofeedback Training Helps Interrupt the Clenching Habit Loop

A helpful way to explain bruxism is through the idea of a habit loop. The loop may begin with a trigger such as stress, concentration, cognitive overload, or a sleep-related arousal. The jaw then responds with clenching or bracing. Over time, symptoms appear, and the pattern keeps repeating because it often happens automatically.

Biofeedback inserts awareness into that loop.

Instead of the trigger flowing straight into clenching and then into symptoms, the device creates an interruption point. That interruption matters because it gives the person a chance to choose a different response.

The key idea here is not force. Biofeedback does not “win” by overpowering the jaw. It helps by improving timing. Once the user notices the behavior, they can release the jaw, relax the face, separate the teeth, and reset posture or breathing. Repeating that sequence over time may help reduce automaticity.

This is where habit change becomes realistic. You are not asking the body to stop doing something it cannot detect. You are helping it detect the pattern sooner and practice a replacement pattern often enough for that new response to become easier.

In practical terms, that replacement pattern is simple but important: the jaw moves toward rest instead of continued loading. The more often that happens, the more often the nervous system experiences a non-clenching response in the same situations that once triggered clenching.

That is how biofeedback can support retraining rather than just short-term interruption.

ClenchAlert as an Example of a Biofeedback Training Device

ClenchAlert is best understood as a biofeedback training device, not just a mouthguard. That distinction is central to understanding its educational value.

The purpose of a traditional protective guard is mainly to reduce tooth damage. The purpose of a biofeedback training device is to help the user become aware of clenching and practice stopping it. ClenchAlert fits into that second category.


At its core, ClenchAlert lets you know when you are clenching so you have the power to stop. That is the simplest and most useful way to explain it. The device is designed to provide feedback when clenching occurs so the user can recognize the behavior in real time rather than discovering it later through jaw pain, facial fatigue, or worn teeth.

This matters because awareness is often the missing step in bruxism self-management. A person cannot consistently interrupt a behavior that remains hidden. By making clenching noticeable in the moment, ClenchAlert supports the learning process that biofeedback is meant to create.

The intended outcome is not merely to block force. It is to teach a healthier jaw resting pattern. That pattern is best summarized as lips together teeth apart. Your lips can rest lightly closed, but your teeth should not be touching all day long. When the device signals that clenching is happening, the user’s job is to release the bite, relax the jaw, and return to that neutral position.

This is what makes ClenchAlert educational rather than purely protective. The device encourages active participation. It is used during times when a person wants help catching clenching early, especially during daytime activities such as work, screen use, driving, or focused tasks. Instead of waiting for symptoms to reveal the pattern, the user gets a cue while the behavior is happening.

That cue alone is not the whole intervention. The learning comes from what the user does next. They notice. They stop. They reset. Over repeated use, this may help the person become more sensitive to the early bodily signs of clenching, even before the device signals again.

This is the same general logic seen across biofeedback approaches in the literature. Devices that detect bruxism-related activity and provide contingent feedback are not simply tracking events. They are creating an opportunity for awareness and behavior change.3-6

So when ClenchAlert is discussed in an educational article, the most accurate framing is this: it is an example of a biofeedback training device that helps users recognize clenching as it happens and practice a healthier jaw resting posture. Its value is not just that it sits in the mouth. Its value is that it supports learning.

What Results Can People Realistically Expect

The most realistic expectation from biofeedback is not instant elimination of bruxism. It is progressive improvement in awareness and reduction in harmful jaw loading over time.

For many users, the first change is awareness. They begin noticing how often their teeth come together during focus, stress, or daily routines. That alone can be meaningful because it shifts bruxism from something mysterious to something observable.

After that, some users may notice less jaw fatigue, fewer tension-related headaches, or fewer periods of prolonged clenching because they are interrupting the behavior sooner and more often.

The clinical studies support cautious optimism. In the Gu pilot study, improvements in episode frequency and duration were observed after weeks of use, not overnight.3 In the Bergmann trial, reductions in bursts and improvements in some symptom measures occurred over a monitored treatment period. 5

These are training effects, not instant results.

It is also important to expect variability. Outcomes may depend on what is driving the bruxism, how consistently the person uses the device, whether they actually practice the release response, and whether other contributors such as stress load, medication effects, sleep disruption, or airway problems are present.

The most honest message is that biofeedback is a management and training strategy. It may help reduce bruxism-related activity and improve awareness, but it is not a promise of perfection.

What Biofeedback Cannot Do on Its Own

Biofeedback has limits, and those limits should be stated clearly.

A biofeedback device does not diagnose sleep apnea. It does not solve every medication-related cause of clenching. It does not replace a dental exam when there is significant tooth wear, broken dental work, or joint symptoms. It does not automatically resolve chronic pain conditions. And it does not make a multifactorial condition suddenly become simple.

This matters because bruxism is not always just a habit problem. It can be influenced by central nervous system factors, psychosocial stress, certain substances and medications, sleep-related physiology, and other contributors.[3] When those factors are significant, biofeedback may help with awareness but may not be sufficient on its own.

The research also reminds us that reduced muscle activity does not always equal reduced pain. Some electrical stimulation studies found lower EMG activity without systematic change in pain reports.[7] That is a useful caution against overpromising.

So where does biofeedback fit? It fits as a tool for awareness, interruption, and training. That is a meaningful role, but it is not the whole picture for every patient.

The Best Way to Use Biofeedback as Part of a Bigger Bruxism Strategy

Biofeedback works best when it is used as one part of a broader bruxism strategy.

That broader strategy may include tooth protection, stress regulation, jaw posture awareness, sleep evaluation when indicated, physical therapy, and professional dental or medical guidance depending on the person’s symptoms.

If someone has severe wear or damaged restorations, protection still matters. If someone has strong morning symptoms or sleep-related red flags, further sleep evaluation may matter. If muscle pain and posture are major issues, movement-based care may matter.

Biofeedback fits well into that bigger plan because it addresses one of the most stubborn parts of bruxism: the hidden nature of the behavior. By improving awareness, it may help other strategies work better. A person who catches clenching early has a better chance of using posture cues, breathing resets, physical therapy strategies, or jaw relaxation techniques effectively.

This is why the strongest claim for biofeedback is not that it replaces everything else. It is that it helps the user become an active participant in habit change.

That is also why a device like ClenchAlert should be discussed in educational terms. It can support awareness training. It can help a person notice clenching sooner. It can reinforce the healthier resting cue of lips together teeth apart. And over time, it may help reduce the load placed on the teeth, muscles, and jaw joints.

That is a practical and realistic role within a modern bruxism management strategy.

Conclusion

Yes, biofeedback may help with bruxism and help stop the clenching habit in the way that matters most for many people: it can make clenching more visible, more interruptible, and more trainable.

That does not make it a cure-all. Bruxism is too complex for that kind of promise. The condition may involve stress, sleep-related arousal, medications, nervous system patterns, and other contributors. But the research does give good reason to take biofeedback seriously. Studies on vibratory and other contingent feedback approaches suggest that certain devices can reduce bruxism-related activity in some users and, in some cases, improve associated symptoms. 3-6

The deeper value of biofeedback is behavioral. People often do not fail to stop clenching because they are weak, careless, or unmotivated. They fail because the behavior stays hidden until the consequences appear. Biofeedback helps close that gap. It gives awareness a chance to arrive early enough for learning to happen.

That is why ClenchAlert is useful as an educational example. It represents an active training approach. It does not simply sit in the mouth and absorb force. It lets you know when you are clenching so you have the power to stop. From there, the goal is clear: release the bite, reset the jaw, and return to a healthier resting pattern with lips together teeth apart.

This is an important shift in how many people think about bruxism. Instead of viewing the jaw as stubborn or broken, biofeedback encourages a more practical view. The jaw is doing something patterned. If you can detect the pattern sooner, you can begin to change it.

That does not happen all at once. It happens through repetition. Awareness comes first. Then interruption. Then practice. Over time, the new pattern becomes more familiar. The jaw spends less time in constant readiness.

The load on the teeth, muscles, and joints may decrease. And the person gains something valuable that a passive appliance alone cannot provide: the ability to recognize the habit while it is happening.

For people who clench without realizing it, that may be the most important step of all.

FAQ

1. Can biofeedback really stop bruxism

Biofeedback may help reduce bruxism, but it should not be described as a guaranteed cure. What it does well is improve awareness. If you do not realize you are clenching, it is hard to interrupt the behavior. A biofeedback device can provide a cue when clenching happens so you have a chance to stop, relax your jaw, and return to a better resting pattern. Research suggests that certain biofeedback approaches may reduce episode frequency, burst duration, or other measures of bruxism activity in some users.3-6 The outcome depends on the person, the type of bruxism, and whether other factors such as sleep disruption, stress, medications, or airway issues are involved. A more accurate way to think about it is this: biofeedback may help some people reduce the clenching habit and the damage it causes by turning an unconscious pattern into something they can notice and train.

2. How does biofeedback work for jaw clenching

Biofeedback works by giving you information about what your body is doing. In bruxism, that usually means detecting clenching, grinding, or bite force and then delivering a signal. That signal may be vibration, electrical stimulation, or another contingent cue depending on the device. The purpose is to make the behavior noticeable close to the moment it begins. Once you notice it, you can respond differently by releasing your jaw, separating your teeth, relaxing your face, and resetting your posture or breathing. Over time, that repeated sequence may help reduce the automatic nature of the habit. The key value of biofeedback is not punishment. It is timing. It gives awareness a chance to arrive early enough for learning and interruption to occur. That is why biofeedback is often described as training rather than passive treatment.2-7

3. Is biofeedback better than a mouthguard for bruxism

Biofeedback and mouthguards do different jobs, so one is not always universally “better.” A traditional mouthguard mainly protects teeth and restorations from excessive force. That can be very important. But a mouthguard does not necessarily help you notice or stop the habit itself. Biofeedback, by contrast, is meant to improve awareness and support behavior change. In one pilot study, a biofeedback group showed significant declines in bruxism episodes and duration, while the occlusal splint group did not show significant changes over the same period. 3 That suggests biofeedback may be better suited for retraining the habit, while a mouthguard is better suited for passive protection. In some cases, both approaches may have value. The right choice depends on whether your main goal is to protect your teeth, reduce the habit, or both.

4. Can biofeedback help with daytime clenching

Yes, daytime clenching is one of the clearest use cases for biofeedback. Many people clench during concentration, stress, driving, screen work, or emotional pressure without realizing it. Because the behavior is happening while you are awake, a timely feedback cue can help you notice it in real time and change your response. This is especially helpful for people who only become aware of their jaw tension after symptoms show up. A biofeedback device can shorten that gap. Once you notice your teeth are together or your jaw is tightening, you can release and reset. That may help reduce the total amount of time your jaw spends under load during the day. For people with awake bruxism, improved awareness is often the first and most important step toward reducing the habit.

5. Can biofeedback work while you sleep

Biofeedback may also work during sleep, though the mechanism is different and expectations should be more measured. Because the user is asleep, the goal is not conscious daytime-style behavior change in the moment. Instead, some devices use contingent vibration or other stimuli to reduce the intensity or duration of bruxism activity without fully waking the sleeper. Research suggests this can be possible. Studies summarized in your source materials found reductions in total sleep bruxism duration and, in some cases, episode frequency with intraoral vibratory feedback.4-6 That said, sleep bruxism is complex, and not every person will respond the same way. Sleep-related factors, airway issues, and broader physiology may also influence the pattern. Biofeedback may help some people during sleep, but it should be presented as one possible tool within a broader strategy rather than a universal fix.

6. How long does biofeedback take to help with bruxism

Biofeedback is better understood as a training process than an instant fix. The research suggests benefits may appear over weeks rather than days. In the Gu pilot study, significant improvements in bruxism episodes and duration were observed after 6 and 12 weeks.3 That timeline makes sense because habit-related change usually requires repetition. Many people first notice improved awareness. Then they begin catching the habit earlier. Then they may notice less jaw fatigue, fewer tension-related symptoms, or shorter periods of clenching because they are interrupting the behavior sooner. The timeline depends on consistency, severity, and what is driving the bruxism. Someone with strong daytime habit patterns may notice improvement earlier than someone with more complex sleep-related or medically influenced bruxism. The most realistic expectation is steady learning over time, not overnight change.

7. What does ClenchAlert do when you clench

ClenchAlert is designed to act as a biofeedback training device. When you clench, it provides a signal that lets you know the behavior is happening so you can respond. The purpose is to bring clenching into awareness in real time instead of allowing you to discover it later through jaw pain, temple pressure, or tooth symptoms. Once you notice the signal, the next step is to release your bite and return to a healthier resting pattern. That pattern is best summarized aslips together teeth apart. In other words, the device is not just sitting there to absorb force. It is teaching you to recognize and interrupt force. The educational value of ClenchAlert is in that awareness training. It helps you catch the habit sooner so you can practice stopping it sooner.

8. Is ClenchAlert a mouthguard or a training device

ClenchAlert is best understood as a training device rather than a standard passive mouthguard. A traditional mouthguard mainly protects the teeth from the effects of clenching or grinding. A biofeedback training device is meant to do something more active: help you notice the behavior and respond differently. ClenchAlert fits that second role. It is designed to let you know when you are clenching so you have the power to stop. That makes it educational in function. It encourages you to practice a healthier jaw resting position and build awareness over time. This is an important difference because people often assume that anything worn in the mouth is just another guard. In reality, the intended outcome is not only protection. It is awareness, interruption, and retraining of the clenching habit.

9. Can biofeedback help with tension headaches from clenching

It may help in some cases, especially when the headaches are related to ongoing jaw muscle tension. Bruxism can place prolonged load on the jaw muscles, and that tension may contribute to temple pain, facial soreness, and tension-type headache symptoms. Some research suggests that biofeedback approaches may improve certain symptom measures along with reducing bruxism activity. In the Bergmann trial, the biofeedback group showed improvement in global well-being and facial muscle pain.5 However, the evidence is not uniform, and some studies reduced muscle activity without showing clear changes in pain. 7 That means biofeedback may help some headache sufferers, but it should not be marketed as a guaranteed headache cure. The most reasonable expectation is that reducing clenching load may reduce one possible driver of head and face pain.

10. What is the best jaw position for reducing clenching

A useful resting cue for the jaw islips together teeth apart. This means your lips can rest lightly closed, but your teeth should not be touching when you are not chewing or swallowing. Many people with daytime clenching spend too much time with the teeth lightly pressed together, especially during focus or stress. That creates unnecessary muscle activation. The goal of biofeedback training is to help you recognize when that is happening and return to a more relaxed resting posture. In practical terms, that means softening the jaw, allowing a slight space between the teeth, and avoiding the habit of holding the bite together. It is a simple cue, but it is powerful because it gives the body a clear alternative to clenching.

 

References

  1. Bergmann A, Edelhoff D, Schubert O, Erdelt KJ, Pho Duc JM. Effect of treatment with a full-occlusion biofeedback splint on sleep bruxism and TMD pain: a randomized controlled clinical trial. Clin Oral Investig. 2020;24(11):4005-4018. 
  2. Frank DL, Khorshid L, Kiffer JF, Moravec CS, McKee MG. Biofeedback in medicine: who, when, why and how? Ment Health Fam Med. 2010;7(2):85-91.
  3. Gu W, Yang J, Zhang F, Yin X, Wei X, Wang C. Efficacy of biofeedback therapy via a mini wireless device on sleep bruxism contrasted with occlusal splint: a pilot study. J Biomed Res. 2015;29(2):160-168. 
  4. Nakamura H, Takaba M, Abe Y, Yoshizawa S, Suganuma T, Yoshida Y, Nakazato Y, Ono Y, Clark GT, Baba K. Effects of a contingent vibratory stimulus delivered by an intra-oral device on sleep bruxism: a pilot study. Sleep Breath. 2019;23(1):363-372.

Bergmann A, Edelhoff D, Schubert O, Erdelt KJ, Pho Duc JM. Effect of treatment with a full-occlusion biofeedback splint on sleep bruxism and TMD pain: a randomized controlled clinical trial. Clin Oral Investig. 2020;24(11):4005-4018. 

6. Nakazato Y, Takaba M, Abe Y, Nakamura H, Ohara H, Suganuma T, Clark GT, Baba K. Effect of contingent vibratory stimulus via an oral appliance on sleep bruxism after the splint adaptation period. J Oral Rehabil. 2021;48(8):901-908.

7. Raphael KG, Janal MN, Sirois DA, Svensson P. Effect of contingent electrical stimulation on masticatory muscle activity and pain in patients with a myofascial temporomandibular disorder and sleep bruxism. J Orofac Pain. 2013;27(1):21-31.

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