Understanding & Treating Temporomandibular Joint Dysfunction in Mississauga

What is Temporomandibular Joint Disorder?


The temporomandibular joint (TMJ) acts as a sliding hinge connecting your jawbone to your skull. You have one joint on each side of your jaw. TMJ disorders, often called TMD are a group of conditions that cause pain and dysfunction in the jaw joint and the muscles controlling jaw movement.


The TMJ is one of the most complex joints in the body. It must allow for the rotation and translation required for chewing, speaking, yawning, and swallowing — making it uniquely susceptible to both mechanical and stress-related dysfunction.


The good news: most TMJ disorders are temporary and respond well to conservative, non-surgical treatment. Understanding your condition is the first step toward lasting relief.

Common Causes of TMJ Disorder

Bruxism (Teeth Grinding)

Habitual grinding or clenching of the teeth — often unconsciously during sleep — places enormous repetitive stress on the TMJ and surrounding musculature, leading to inflammation and joint wear.

Physical Trauma or Injury

A direct blow to the jaw, face, or head — such as from an accident, fall, or sports injury — can damage the joint's disc, surrounding ligaments, or the joint surface itself, triggering acute or chronic TMD.



Stress & Anxiety

Psychological stress is a major contributor to TMD. Tension leads to jaw clenching, elevated muscle tone in the masticatory muscles, and a heightened pain response — creating a cycle that perpetuates joint dysfunction.

Disc Displacement

The articular disc inside the TMJ can shift out of its normal position, causing clicking, locking, or limited jaw movement. This is one of the most common structural causes of TMD and often requires hands-on rehabilitation.

Arthritis

Both osteoarthritis and rheumatoid arthritis can affect the TMJ, causing degeneration of the cartilage and bony surfaces. Inflammatory arthritis can produce significant joint changes and chronic pain that require a multi-modal treatment approach.

Poor Posture & Ergonomics

Forward head posture — common with prolonged screen use — alters the biomechanics of the cervical spine and directly impacts the jaw's resting position and muscular balance, contributing to chronic TMJ strain and neck-jaw pain cycles.

Signs & Symptoms to Watch For

  • Jaw pain or tenderness — aching discomfort in or around the joint, often worse in the morning or after eating
  • Clicking, popping, or grating sounds — audible or palpable joint noise during mouth opening or closing, with or without pain
  • Limited jaw opening — difficulty opening the mouth fully, or the jaw locking in an open or closed position
  • Facial pain — aching pain across the cheeks, temples, or lower face that can be mistaken for a toothache or sinus issue
  • Headaches and migraines — tension headaches originating from the masseter, temporalis, or sub occipital muscles under chronic strain
  • Ear pain and tinnitus — earaches, a sensation of fullness, or ringing in the ears (tinnitus) without an identifiable ear condition
  • Neck and shoulder pain — referred pain and muscle tension extending into the neck, upper trapezius, and shoulders
  • Tooth sensitivity or wear — unexplained tooth sensitivity, flattening of the enamel, or chipped teeth consistent with bruxism
  • Difficulty chewing — pain or fatigue in the jaw with eating, particularly hard or chewy foods
  • Dizziness or vertigo — less commonly, patients report balance disturbances linked to the close anatomical relationship between the TMJ and the inner ear

When to Seek Help

Many people experience occasional jaw clicking or mild discomfort without it progressing to a diagnosable disorder. However, you should seek professional evaluation if your symptoms are persistent, worsening, or interfering with daily activities like eating, speaking, or sleeping.


Because TMD symptoms overlap with dental, neurological, and ENT conditions, a proper diagnosis from a qualified clinician, physiotherapist, dentist, or physician is essential before beginning treatment.


Early intervention consistently leads to better outcomes and helps prevent the development of chronic pain patterns.

How to Protect Your TMJ

Mind Your Jaw Habits

Become aware of jaw clenching throughout the day — especially during stress, concentration, or physical exertion. Practice keeping your teeth slightly apart with your lips closed when at rest. Avoid chewing gum, biting nails, or chewing on pens, which all create repetitive joint loading.

Optimize Your Posture

Maintain good head and neck posture, particularly during prolonged desk or device use. Your ears should be aligned over your shoulders, not jutting forward. Consider ergonomic adjustments to your workstation — monitor height, chair support, and keyboard positioning all affect your cervico-mandibular alignment.

Manage Stress Effectively

Since psychological stress is a major TMD trigger, building a stress management practice is genuinely therapeutic. Regular exercise, mindfulness, diaphragmatic breathing, adequate sleep, and counselling or CBT can all reduce the muscle tension and hypervigilance that fuel jaw dysfunction.

Protect During Sleep

If you grind your teeth at night, a custom-fitted night guard (occlusal splint) from your dentist can significantly reduce joint loading and protect tooth enamel. Side or back sleeping with a supportive pillow also helps maintain neutral cervical alignment, reducing jaw muscle tension.

Eat Mindfully

During flare-ups, stick to a soft food diet and cut food into smaller pieces. Avoid extremely hard, crunchy, or chewy foods that force wide jaw opening or sustained chewing. Even during symptom-free periods, being mindful of unusually large or tough meals can help prevent aggravation.

Warm Up & Stretch

Gentle jaw and neck stretches, applied heat before activity, and regular mobility exercises can maintain healthy joint range of motion and muscle flexibility. A physiotherapist can prescribe a specific home exercise program tailored to your presentation and stage of recovery.

Treatment Options for TMJ Disorder

Physiotherapy is widely regarded as the first-line treatment for most TMJ disorders. A registered physiotherapist with training in craniofacial rehabilitation can address the mechanical, muscular, and postural contributors to your pain through a combination of hands-on treatment and individualized exercise.


Assessment typically includes evaluation of jaw range of motion, joint sounds, muscle tenderness, cervical spine mobility, and postural analysis. Treatment is then tailored to address the specific mechanical dysfunction identified.


Manual therapy techniques may include intraoral and extraoral soft tissue release of the masseter, temporalis, and pterygoid muscles, joint mobilization to restore TMJ movement, and cervical spine treatment to address the neck-jaw relationship.


Exercise prescription is a core component and typically includes jaw mobility exercises, neuromuscular re-education, postural correction exercises, and a progressive home program to build long-term resilience and prevent recurrence.


  • Reduces pain and muscle tension without medication
  • Restores normal jaw opening and movement patterns
  • Addresses cervical spine contributions to jaw dysfunction
  • Empowers patients with a long-term self-management program
  • Can be combined with all other treatment modalities



Chiropractic Care

Restoring alignment from the cervical spine to the jaw

Chiropractic care offers a valuable perspective on TMD through the lens of spinal biomechanics and the nervous system. The cervical spine — particularly the upper cervical region (C1–C3) — has a direct anatomical and neurological relationship with the jaw, and dysfunction in this area frequently contributes to or perpetuates TMD.


A chiropractor trained in craniofacial disorders will assess the alignment and mobility of the cervical and thoracic spine, the cranial base, and the TMJ itself. Chiropractic adjustments and mobilizations to the upper cervical spine can reduce referred pain into the jaw, decrease muscle hypertonicity, and normalize joint mechanics.


Many chiropractors also perform soft tissue therapy for the jaw and neck muscles, provide postural rehabilitation, and offer ergonomic guidance. For patients whose TMD is closely linked to whiplash, cervicogenic headaches, or a history of neck injury, chiropractic care can be particularly effective.


  • Addresses cervicogenic contributions to jaw pain
  • Improves upper cervical mobility and reduces referred pain
  • Effective for TMD with concurrent headache or neck pain
  • Soft tissue therapy complements joint-focused treatment
  • Integrates well with physiotherapy and other modalities


TMJ disorders are highly treatable. Speak with one of our clinicians to receive a comprehensive assessment and a personalized rehabilitation plan.

  • Causes of Jaw Pain

    The exact cause of a person’s TMD is often difficult to determine. However, your pain may be due to a result of many problems, such as:

    • Arthritis
    • Bad posture
    • Injury to the jaw and surrounding muscles
    • Jaw clenching or teeth grinding
    • What Are The Signs And Symptoms?
    • Some symptoms that occur from TMJ for example are:
    • Pain in your jaw, neck, shoulders, or around your ear
    • Limited ability to open your mouth wide
    • Pain while chewing
    • Headache
    • Locking of the jaw joint
    • Clicking sound or grating sensation when you open your mouth
    • Swelling on the side of your face

  • Benefits of Physiotherapy

    In other words, the focus of physiotherapy for TMD is relaxation, stretching, and releasing tight muscles. A treatment plan will also include instruction on exercises and stretches for regaining normal jaw function. A variety of therapeutic techniques will be used such as:


    • Manual therapy techniques to improve jaw movement
    • Electrical stimulation and/or laser to reduce pain and discomfort
    • Heat and Ice therapy for improved circulation and reduction of swelling
    • Postural correction and strengthening
    • Passive, active-assisted, active exercises

  • Signs Its Time To See A Doctor

    To clarify you should seek medical attention if you have persistent pain or tenderness in your jaw. More importantly, if you have difficulty opening and closing your mouth. Your physiotherapist can assist in discussing possible causes and treatment plans to address your problem.

FAQs

  • How is TMJ Dysfunction diagnosed at Delta Physiotherapy & Rehab?

      Diagnosis of TMJ Dysfunction involves a detailed assessment by our highly trained and experienced therapists. They employ a comprehensive evaluation of the patient's medical history, physical examination of the head, neck, face, and jaw, and a series of specific tests to accurately diagnose the condition. The assessment enables us to understand the severity and cause of the condition and to provide a treatment plan tailored to your needs. Book your appointment today either at our Central Parkway or Erin Mills locations.

  • What type of treatment options are available for TMJ Dysfunction at Delta Physiotherapy & Rehab?

    At Delta Physiotherapy & Rehab, we provide various treatment options depending on your situation and severity of TMJ Dysfunction. These can include physical therapy, medication, or jaw exercises, aimed at decreasing pain, increasing jaw mobility, and improving function. Our therapists will develop a specialized treatment plan focusing on pain management, improved jaw function, and preventative strategies to avoid a recurrence. Start your journey to recovery at our Central Parkway or Erin Mills locations.

  • How long does it take to see improvements in TMJ Dysfunction with physiotherapy?

    The duration for improvement can vary based on the severity of the TMJ Dysfunction and individual response to treatment. Generally, patients may begin to see improvements within a few weeks of starting their tailored physiotherapy treatment plan. Our experienced therapists at Delta Physiotherapy & Rehab are committed to providing the highest standard of care to ensure optimal recovery. Make a booking today at our Central Parkway or Erin Mills locations for a comprehensive assessment and treatment plan.