Does Jaw Tension Cause Ear Pain or Fullness?
It is common for individuals to visit an audiologist or a primary care physician complaining of a persistent earache, a sensation of fullness, or ringing in the ears, only to be told that their ears are perfectly healthy and free of infection. When an ear exam is clear, the underlying cause is frequently found just a few centimeters away: the temporomandibular joint (TMJ).
Because the jaw and the ear structures develop from the same embryonic tissues and share complex nerve pathways, dysfunction in the jaw—known as a temporomandibular disorder (TMD)—can easily be felt in the ear. Understanding this connection is the first step toward finding relief for these frustrating symptoms.
The Connection Between Your Jaw and Your Ears
The TMJ is located directly in front of the external auditory canal. This proximity means that inflammation, muscle tension, or structural changes within the jaw joint can create referred pain or mechanical pressure that the brain perceives as coming from the ear. This phenomenon is often referred to as secondary otalgia (ear pain that originates elsewhere).
Research suggests that up to 60% of people with TMD also report at least one ear-related symptom. Common symptoms include:
Otalgia: Deep, dull, or sharp pain in the ear canal. *
Aural Fullness: A feeling that the ear is 'plugged' or under pressure, similar to the feeling when a plane changes altitude. *
Tinnitus: Ringing, buzzing, or hissing in the ear that is not caused by hearing loss or loud noise exposure. *
Hyperacusis: An increased sensitivity to certain frequencies or volumes of sound.
What the Evidence Says About TMD and Ear Symptoms
Clinical evidence has long documented the high prevalence of otological (ear) symptoms in patients with jaw dysfunction. A systematic review published in the Journal of Oral Rehabilitation found a significant association between TMD and the presence of tinnitus, suggesting that many patients with 'phantom' ear noises may actually be dealing with masticatory (jaw) muscle tension (Hilgenberg et al., 2012).
Furthermore, a study in the Brazilian Journal of Otorhinolaryngology highlights that aural fullness is one of the most frequent ear symptoms reported by those with TMD, often occurring because the muscles that control the jaw are also involved in the function of the Eustachian tube, which regulates ear pressure (Lacerda et al., 2022).
Contributing Factors: Why Does the Jaw Affect the Ear?
Several anatomical and physiological factors contribute to this cross-talk between the jaw and ear:
Muscle Proximity and Tension: The muscles used for chewing, such as the lateral pterygoid and the masseter, are located near the ear. When these muscles become hyperactive or develop trigger points due to bruxism (teeth grinding) or stress, the pain often radiates into the ear canal. 2.
Shared Nerve Pathways: The trigeminal nerve (the fifth cranial nerve) provides sensation to both the TMJ and parts of the ear. When the TMJ is irritated, the nerve signals can become 'crossed,' leading the brain to interpret jaw distress as ear pain. 3.
The Eustachian Tube Connection: The tensor veli palatini muscle helps open and close the Eustachian tube. Because this muscle shares mechanical and neurological links with the jaw muscles, TMD-related tension can interfere with the tube’s ability to equalize pressure, leading to that 'clogged' feeling. 4.
The Pinto’s Ligament: Also known as the disco-malleolar ligament, this tiny band of tissue connects the TMJ capsule directly to one of the small bones in the middle ear (the malleus). While its clinical significance is still debated, some researchers believe that movement or inflammation in the TMJ can exert physical tension on this ligament, affecting the ear.
What a TMJ-Focused Assessment Includes
If you are experiencing ear symptoms without an ear infection, a clinician with a clinical interest in TMD can perform a TMJ-focused musculoskeletal assessment. During this process, Dr. Shahab Entezami or another qualified clinician will typically:
Review Your History: Discuss when the ear symptoms started and if they coincide with jaw clicking, popping, or morning stiffness. *
Palpate the Musculature: Gently feel the muscles of the jaw, face, and neck for tenderness or trigger points. *
Evaluate Jaw Range of Motion: Measure how wide you can open your mouth and check for deviations or 'zig-zags' in movement. *
Joint Sounds: Listen for clicking, popping, or crepitus (grating sounds) that might indicate disc displacement. *
Cervical Screening: Assess the neck, as TMJ and neck pain often occur together and can both contribute to referred ear pain.
Conservative Management Options
For many patients, ear symptoms resolve when the underlying jaw dysfunction is addressed. Conservative, non-invasive care is the recommended first-line approach according to the National Institute of Dental and Craniofacial Research (NIDCR).
Treatment may include:
Intra-oral and Extra-oral Myofascial Release: Specific manual therapy techniques to reduce tension in the chewing muscles. *
Joint Mobilization: Gentle movements to improve the tracking and mobility of the jaw joint. *
Acupuncture or Dry Needling: Evidence suggests these may help some patients by reducing muscle activity and alleviating localized pain. *
Therapeutic Exercise: Personalized movements designed to strengthen the jaw stabilizers and improve coordination. *
Posture Correction: Addressing forward head posture, which can put additional strain on the muscles supporting the jaw.
Self-Management and Evidence-Based Advice
While professional care is often necessary for chronic issues, self-management can help reduce temporary flare-ups:
Adopt a 'Soft Food' Diet: During a flare-up, avoid hard, crunchy, or chewy foods (like bagels or gum) to give the muscles a rest. *
The 'N-Rest' Position: Keep your teeth slightly apart, lips together, and the tip of your tongue resting gently on the roof of your mouth just behind your front teeth. This reduces unconscious clenching. *
Heat or Cold Therapy: Applying a warm compress to the side of the face can help relax tense muscles, while cold packs may help if the joint itself is acutely inflamed. *
Stress Management: Since clenching is often a physical response to stress, techniques like diaphragmatic breathing can help lower overall muscle tension.
When to Seek Other Medical Advice
While many ear symptoms are related to the jaw, it is important to rule out primary ear conditions. You should consult a physician or an Ear, Nose, and Throat (ENT) specialist if you experience:
Sudden, profound hearing loss. *
Fluid or pus draining from the ear. *
Dizziness or severe vertigo. *
A high fever accompanying ear pain. *
Ear pain that does not change at all when you move your jaw or neck.
If your dentist suspects that your ear symptoms are linked to significant dental wear or nocturnal bruxism, they may recommend a custom-fitted night guard in conjunction with musculoskeletal therapy.
Frequently Asked Questions
Can TMJ cause permanent hearing loss? Generally, no. TMD-related ear symptoms are typically 'functional' or 'perceptual,' meaning they affect how the ear feels or how sound is processed (like tinnitus) rather than damaging the physical structures of hearing. However, persistent symptoms should always be evaluated to rule out other causes.
How long does it take for ear fullness to go away after TMJ treatment? Results and treatment needs vary. Some patients notice an improvement in ear fullness within a few sessions of manual therapy and exercise, while others with chronic clenching habits may require a longer period of management to see significant changes.
Is it normal for only one ear to feel plugged? Yes. TMD often affects one side more than the other, especially if you tend to chew on one side or if the jaw deviates to one side when opening. It is very common for ear symptoms to be unilateral (one-sided).
References
- Hilgenberg, B., et al. "Otological symptoms and temporomandibular disorders: a systematic review." Journal of Oral Rehabilitation, 2012. PubMed
- Lacerda, A. B. M., et al. "Otological symptoms in patients with temporomandibular disorder." Brazilian Journal of Otorhinolaryngology, 2022. DOI: 10.1016/j.bjorl.2021.06.008
- National Institute of Dental and Craniofacial Research (NIDCR). "TMJ (Temporomandibular Joint & Muscle Disorders)." National Institutes of Health, 2023. Official Link
- Buergers, R., et al. "Is there a link between tinnitus and temporomandibular disorders?" The Journal of Prosthetic Dentistry, 2014. DOI: 10.1016/j.prosdent.2013.10.001
If jaw, back or joint symptoms are affecting your daily activities, a clinical assessment may help clarify the possible contributing factors and appropriate care options. Union Health Network is accepting new patients in Richmond Hill.