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In Canada, 1 person in 20, which represents 5% of the population, suffers from obstructive sleep apnea (OSA)*. It is a disorder that causes breathing to stop during sleep and includes various symptoms, such as headaches, difficulty concentrating, drowsiness, fatigue, etc.

To find out if you suffer from OSA, you should consult a doctor for a sleep test and diagnosis. They may prescribe a mandibular advancement splint to clear the airway during the night. This type of treatment must be performed by a dentist, as a generic, ill-fitting splint can lead to serious obstruction problems.

In the meantime, until your next visit to the doctor, be proactive by adopting healthy lifestyle and sleep habits, such as:

• Getting up and going to bed at the same time in the morning and in the evening
• Reducing the amount of time you spend in bed not sleeping
• Limiting exposure to screens (TV, computer, game console) in the evening
• Relaxing with a bath or meditation session before bedtime

Need some advice? The professionals at the Dr. Lechner Sleep Health Clinic are here to help!

*Source: Guide Apnée obstructive du sommeil: Information pour le patient avisé, published by the Collège des médecins du Québec, Ordre des dentistes du Québec and Ordre professionnel des inhalothérapeutes du Québec.

When Teeth Grinding Affects More Than Just Your Smile

Bruxism is a common yet often misunderstood condition that can significantly affect oral health, sleep quality, and overall well-being. Frequently dismissed as a harmless habit, teeth grinding or clenching can, over time, lead to chronic pain, dental damage, disrupted sleep, and a reduced quality of life.

At the Santé Sommeil Dr Lechner Clinic, we take a comprehensive approach to the screening and management of bruxism—particularly sleep-related bruxism—recognizing its close relationship with sleep disorders and general health.

Understanding bruxism is the first step toward protecting your teeth, improving your sleep, and restoring long-term comfort.

What Is Bruxism?

Bruxism is an involuntary muscle activity characterized by clenching or grinding of the teeth. It can occur:

• During the day (awake bruxism), often linked to stress, concentration, or emotional tension
• At night (sleep bruxism), during sleep, without the person being aware

Sleep bruxism is classified as a sleep-related movement disorder. It is typically associated with brief awakenings and increased activity of the jaw muscles during sleep.

A Common but Often Undiagnosed Condition

Many people with bruxism are unaware they have it. In many cases:

• A bed partner notices grinding noises at night
• A dentist observes abnormal tooth wear
• The patient seeks care for unexplained jaw pain or headaches

Because symptoms develop gradually, bruxism can go unnoticed for years, allowing damage to accumulate silently.

Possible Causes of Bruxism

Bruxism is considered a multifactorial condition, meaning there is rarely a single cause. Instead, several contributing factors may interact.

Common contributing factors include:

• Psychological stress and anxiety
• Sleep disorders (such as obstructive sleep apnea)
• Sleep fragmentation and micro-arousals
• Jaw or bite-related factors
• Neurological influences
• Stimulants such as caffeine or nicotine

In dental sleep medicine, sleep bruxism is frequently associated with sleep-disordered breathing, suggesting that it may sometimes be a response to airway instability during sleep.

How Bruxism Affects Daily Life

Symptoms That Are Often Overlooked

People with bruxism may experience:

• Jaw pain or tightness, especially in the morning
• Temple or facial pain
• Frequent headaches
• Neck and shoulder tension
• Difficulty opening the mouth fully
• A feeling of fatigue upon waking

These symptoms may appear mild at first but can become persistent and disruptive over time.

Reduced Quality of Life

Living with untreated bruxism can significantly affect quality of life, both physically and emotionally:

• Chronic pain interfering with daily activities
• Difficulty chewing or enjoying certain foods
• Reduced concentration and productivity
• Irritability and mood changes
• Persistent fatigue

When pain and poor sleep become part of daily life, overall well-being is compromised.

Risks to Oral Health

Bruxism is one of the leading causes of premature dental damage.

Potential dental consequences include:

• Excessive enamel wear
• Tooth fractures or cracks
• Increased tooth sensitivity
• Loosening of teeth
• Repeated failure of dental restorations (fillings, crowns, bridges)

Impact on the Jaw Joint (TMJ)

Excessive clenching places constant stress on the temporomandibular joint (TMJ), which may lead to:

• Joint pain or inflammation
• Clicking or popping sounds
• Jaw locking
• Limited mouth opening
• Temporomandibular disorders (TMD)

Effects on General Health

Bruxism does not affect only the teeth and jaw. It can influence overall health as well.

Musculoskeletal Pain

Overactive jaw muscles can trigger tension that radiates to the neck, shoulders, and upper back, contributing to chronic musculoskeletal discomfort.

Fatigue and Sleep Disruption

Sleep bruxism is often associated with micro-arousals, even if the individual does not consciously wake up. These repeated interruptions reduce sleep quality and prevent deep, restorative sleep.

The Relationship Between Bruxism and Sleep

Sleep Bruxism as a Sleep-Related Disorder

Unlike daytime clenching, sleep bruxism occurs unconsciously during sleep and is closely linked to the nervous system. It often appears during lighter stages of sleep and may follow breathing disturbances.

In many patients, bruxism may be a sign of an underlying sleep disorder, such as:

• Obstructive sleep apnea
• Upper airway resistance
• Fragmented or non-restorative sleep

Identifying this connection is essential for effective and long-term management.

How Bruxism Affects Overall Well-Being

Poor sleep combined with chronic muscle pain can lead to:

• Reduced daytime energy
• Difficulty focusing and concentrating
• Decreased work performance
• Emotional instability or irritability
• A constant feeling of exhaustion

Because sleep plays a central role in physical and mental health, bruxism-related sleep disruption can affect nearly every aspect of daily life.

The Dentist’s Role in Detecting Bruxism

Dentists are often the first healthcare professionals to identify bruxism through routine examinations.

Clinical signs may include:

• Abnormal tooth wear patterns
• Flattened biting surfaces
• Enlarged or tense jaw muscles
• Tooth fractures or cracks
• Pain upon muscle palpation

At the Santé Sommeil Dr Lechner Clinic, bruxism screening is an integral part of a comprehensive sleep and oral health evaluation, especially when sleep-related symptoms are present.

A Comprehensive and Personalized Approach

Managing bruxism involves more than simply protecting the teeth. A successful approach aims to:

• Reduce muscle activity and pain
• Improve sleep quality
• Identify contributing factors
• Preserve oral and overall health

Management options may include:

• Custom-made oral appliances
• Evaluation for associated sleep disorders
• Stress management strategies
• Regular clinical monitoring and follow-up

Each treatment plan is tailored to the patient’s specific needs and clinical findings.

The Importance of Ongoing Follow-Up

Bruxism is often a long-term condition that can change over time. Regular follow-up care allows clinicians to:

• Monitor tooth wear and jaw health
• Adjust appliances as needed
• Prevent long-term complications
• Ensure sustained comfort and effectiveness

Consistent monitoring plays a key role in protecting both oral health and quality of life.

The Vision of Santé Sommeil Dr Lechner Clinic

At the Santé Sommeil Dr Lechner Clinic, we believe bruxism should never be dismissed as a minor issue. Our philosophy is based on:

• Early detection and prevention
• A global understanding of the patient
• Integration of sleep health into dental care
• Personalized, evidence-based solutions
• Long-term patient support

By addressing both the symptoms and the underlying contributors, we aim to restore comfort, improve sleep, and enhance overall well-being.

Conclusion

Bruxism is far more than teeth grinding. It is a complex condition that can negatively affect oral health, sleep quality, general health, and quality of life.

Early identification, proper evaluation, and personalized management can help prevent dental damage, reduce pain, and improve sleep and daily functioning.

At the Santé Sommeil Dr Lechner Clinic, we are committed to helping our patients regain comfort, balance, and restorative sleep through a comprehensive and specialized approach.

Healthy sleep and a healthy smile go hand in hand—and it all begins with the right evaluation.

 

Are you having nightmares? Experiencing insomnia? Do you have the sensation that you’re falling through the air when you fall asleep? Or do you grind your teeth at night? All these symptoms belong to the same category of disorders, which are called parasomnias, or sleep disorders.

All categories combined, parasomnias affect about 4% of adults and 17% of children.¹ There are several parasomnias with varying levels of severity, but they have one thing in common: most people asleep are unaware of their actions. Sleepwalking is a well-known example of an unconscious parasomnia. Parasomnias occur during sleep, but more commonly when a person begins to fall asleep or wake up. They usually last about 30 minutes.

Here is a list of the most common parasomnias:

• Insomnia: It is estimated that one in 10 Canadians suffers from insomnia, which is not trivial!²
• Night terrors and nightmares: The sleeper starts screaming and becomes agitated under the effect of fear (a disorder more common in children, most likely).
• Snoring: Did you know that this disorder affects men more than women, but not exclusively?
• Sleep apnoea: These respiratory stops during sleep can unfortunately lead to serious health problems.
• Somniloquy: Many adults suffer from this disorder, which is prevalent in childhood. It makes you talk or scream while sleeping. It’s not enjoyable for your bedmate, however...
• Sensory hallucinations (or hypnagogic): These occur when the body falls asleep before the brain. The sensation of falling through the air when going to sleep belongs to this category!
• Bruxism: This is the grinding of the teeth at night, which can lead to tooth wear and jaw pain.

Did you know that most parasomnias occur during the Rapid Eye Movement (REM) phase of your sleep, when your brain is active and our body relaxed? During a normal night’s sleep of 8 hours, you go into the REM phase 4 to 5 times, or up to 25% of your time asleep.

Causes and risk factors

Parasomnias have different causes and risk factors ranging from mild to more serious. They are often due to:

• Anxiety or overwork
• Sleep deprivation or jet lag
• Taking medication or drugs
• A disease
• Genetics

Some parasomnias are even considered a warning sign of certain degenerative diseases, such as Parkinson's disease.

When should you see a doctor?

Without worrying too much, it is better to consult a doctor when a parasomnia manifests itself too regularly, especially in adults. You can seek the opinion of a doctor or a psychologist. You can also contact a dentist who is familiar with these disorders, since snoring, apnoea and bruxism often have a cause or a dental impact. A sleep professional can make a diagnosis, assess your oral health and advise you, for example, about the use of a custom-made oral appliance to reduce the disorder and its side effects.

When parasomnia speaks to you, you should listen—and take action!

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¹ Physiopathologie du somnambulisme, Université de Montréal [Online] https://papyrus.bib.umontreal.ca/xmlui/handle/1866/21157 (page viewed November 5, 2020).

² Prevalence of insomnia for Canadians aged 6 to 79, Statistics Canada [Online] https://www150.statcan.gc.ca/n1/en/catalogue/82-003-X201801200002 (page viewed November 5, 2020).

Regular meditation does not only improve your mental health but also boosts your mood. Some studies¹ suggest that it helps reduce anxiety, addiction, chronic pain, and blood pressure—all while improving memory, awareness and harmony in interpersonal relationships. Eight weeks of practice is more than enough to reduces stress and anxiety, or help you concentrate. Regularly meditating can even help to partially block¹ the sensation of pain, which is very common during a toothache.

¹Mindfulness meditation-related pain relief: Evidence for unique brain mechanisms in the regulation of pain,” Neuroscience Letters, Volume 520, Number 2, June 29, 2012, F. Zeidan, J.A. Grant, C.A. Brown, J.G. McHaffie, R.C. Coghill.

Did you know that we spend a third of our lives sleeping? Sleep is considered to be one of the three pillars of long-term good health, alongside healthy eating and active living. However, many see it as a waste of time; people sleep on average one hour less per day than their physiological needs. Good sleep is more than restorative. While sleeping, your body produces a growth hormone that helps children to mature and the time spent sleeping helps the brain to assimilate whatever was learned during the day—at any age! Also, your body secretes a hormone called leptin, which decreases the feeling of being hungry. Sleeping therefore helps reduce the risk of becoming overweight!

Understanding the Pain, the Causes, and How Dentists Can Help

Migraines are often misunderstood and minimized as “just headaches.” For those who suffer from them, however, migraines are a complex and often debilitating condition that can significantly disrupt daily life, sleep, and overall well-being. Intense pain, nausea, sensitivity to light or sound, fatigue, and a general sense of malaise are only part of the experience.

At the Santé Sommeil Dr Lechner Clinic, we take a comprehensive approach to migraine care, recognizing that in many patients, migraines are closely linked to jaw function, muscle tension, bruxism, and sleep disturbances. In these cases, the dentist plays an important and complementary role in evaluation and management.

Migraines: A Complex Neurological Condition

More Than a Simple Headache

Migraines are a neurological disorder characterized by recurring episodes of head pain that are often:

• Throbbing or pulsating
• Localized on one side of the head or around the temples
• Accompanied by nausea or digestive discomfort
• Associated with sensitivity to light (photophobia)
• Sensitivity to sound (phonophobia)
• Sometimes preceded by visual or sensory disturbances (aura)

Unlike tension headaches, migraines can last from several hours to several days and may severely limit a person’s ability to function.

Living With Migraines: A Real Impact on Quality of Life

People who suffer from migraines often describe:

• Intense, exhausting pain
• The need to lie down in a dark, quiet environment
• Difficulty working or concentrating
• Persistent fatigue even after the attack ends
• Anxiety related to anticipating the next episode

Over time, migraines can affect professional performance, social relationships, family life, and emotional health, leading to a significant reduction in quality of life.

Different Causes and Triggers of Migraines

Migraines rarely have a single cause. They usually result from a combination of neurological, physical, and environmental factors.

Common causes and triggers include:

• Genetic and neurological predisposition
• Emotional stress and anxiety
• Sleep disorders and poor sleep quality
• Hormonal fluctuations
• Dietary factors or dehydration
• Chronic muscle tension
• Jaw misalignment or dysfunction
• Bruxism (teeth clenching or grinding)

This is where dental health—and especially jaw and muscle function—becomes highly relevant.

The Link Between Migraines, the Jaw, and Muscles

The Role of the Temporomandibular Joint (TMJ)

The temporomandibular joint (TMJ) connects the lower jaw to the skull and works in coordination with a complex network of muscles and nerves.

When this system is overloaded or dysfunctional, it can lead to:

• Pain radiating to the temples
• Frequent headaches
• Facial pain
• Neck and shoulder tension
• A feeling of pressure or heaviness in the head

In some patients, these musculoskeletal issues can trigger or worsen migraine attacks.

Bruxism and Clenching: Often Overlooked Contributors

Bruxism, especially during sleep, causes excessive activation of the jaw muscles. This chronic muscle overuse can:

• Maintain constant muscle tension overnight
• Prevent full muscular relaxation during sleep
• Cause morning jaw pain and headaches
• Contribute to poor sleep quality

When sleep is disrupted and muscles remain tense, the nervous system becomes more reactive—creating favorable conditions for migraine development.

The Dentist’s Role in Migraine Evaluation

Dentists do far more than treat teeth. Dentists trained in dental sleep medicine and orofacial pain are qualified to assess:

• Dental occlusion (how the teeth come together)
• Jaw position and mobility
• Muscle activity and tenderness
• Temporomandibular joint function
• Signs of bruxism or clenching

At the Santé Sommeil Dr Lechner Clinic, this detailed evaluation helps determine whether a jaw-related or muscular component may be contributing to a patient’s migraines.

A Complementary Approach—Not a Replacement for Medical Care

It is important to clarify that dentists do not replace physicians or neurologists in diagnosing migraines. Instead, dental care plays a complementary role, particularly when:

• Migraines are associated with jaw or facial pain
• Headaches occur frequently upon waking
• Bruxism or clenching is present
• Muscle tension is a consistent trigger
• Medications alone are insufficient

A multidisciplinary approach often leads to better outcomes.

Dental Muscle Deprogramming Appliances

What Is a Dental Deprogrammer?

A dental deprogrammer is a small oral appliance designed to reduce excessive muscle activity and limit involuntary clenching.

It works by:

• Reducing harmful tooth contacts
• Allowing jaw muscles to relax
• Decreasing pressure on the TMJ
• Helping reset neuromuscular patterns

This muscular “reset” can significantly reduce head and facial pain in selected patients.

NTI-tss MD: What Is It?

The NTI-tss MD (Nociceptive Trigeminal Inhibition – Tension Suppression System) is a specific type of dental deprogrammer used in the management of:

• Migraines
• Tension-type headaches
• Bruxism
• Jaw muscle overactivity

How Does the NTI-tss MD Work?

• It fits over the front teeth (incisors)
• It prevents posterior tooth contact
• It limits maximum clenching force
• It reduces stimulation of the trigeminal nerve
• It promotes overall muscle relaxation

For carefully selected patients, this mechanism may help reduce the frequency and intensity of migraine attacks.

Who May Benefit From an NTI-tss MD?

This type of appliance may be considered when:

• Migraines are linked to jaw tension or muscle pain
• Bruxism or clenching is present
• Pain is localized around the temples or face
• Headaches occur frequently in the morning
• Clinical evaluation supports a muscular component

Careful patient selection and professional supervision are essential.

The Clinical Process at Santé Sommeil Dr Lechner Clinic

1. Comprehensive Evaluation

• Review of migraine history and symptoms
• Jaw and muscle examination
• TMJ assessment
• Occlusal analysis
• Screening for bruxism and sleep disorders

2. Interdisciplinary Collaboration

When appropriate, collaboration with:

• Physicians
• Neurologists
• Physiotherapists
• Other healthcare professionals

3. Appliance Fabrication and Adjustment

• Custom-made NTI-tss MD
• Precise fitting and patient education
• Progressive adjustments if required

4. Structured Follow-Up

• Monitoring symptom response
• Adjusting the treatment plan
• Ensuring comfort and occlusal safety

Potential Benefits for Patients

In properly selected cases, patients may experience:

• Reduced jaw and muscle tension
• Fewer migraine episodes
• Lower intensity of attacks
• Improved morning comfort
• Better sleep quality
• Enhanced overall well-being

Results vary, but for many patients, addressing the dental and muscular component is a meaningful step forward.

A Global and Patient-Centered Philosophy

At the Santé Sommeil Dr Lechner Clinic, we believe migraines must be approached holistically, considering:

• Sleep quality
• Stress levels
• Jaw function
• Muscle activity
• The patient’s lived experience

Each patient receives a personalized care plan tailored to their specific condition and needs.

Conclusion

Migraines are far more than simple headaches. They are a complex condition that can deeply affect daily life, sleep, and overall health. In many patients, jaw dysfunction, muscle tension, and bruxism play an important role in triggering or worsening migraine attacks.

Through thorough evaluation and the use of tools such as dental deprogrammers and the NTI-tss MD, dentists can contribute meaningfully to migraine management—always in collaboration with medical care.

At the Santé Sommeil Dr Lechner Clinic, our goal is to help patients better understand their pain, reduce symptoms, and regain balance—both day and night.