One-Sided Headache: Is It Your TMJ? Jaw-Joint Self-Tests and Exercises
Self-tests and exercises for temporomandibular disorder (TMD) — a common but often-missed cause of one-sided headaches — demonstrated by a chiropractor with over 24 years of clinical experience.
A one-sided headache is frequently caused by irritation of the temporomandibular joint (TMJ), the jaw joint that sits just in front of your ears and connects your jaw to your skull. When it’s irritated, it can cause a one-sided headache along with jaw pain, earache, facial pain, neck and shoulder pain, difficulty opening the mouth fully, jaw locking, and a grinding sensation when you open and close.
Our chiropractor Jasper Hulscher explains the symptoms and common causes (chiefly teeth grinding and clenching, but also trauma, an over- or under-bite, and wear and tear), then demonstrates three self-tests to check the joint, a set of self-massage and mobilisation exercises for the muscles involved (temporalis, masseter, and suboccipital), and five prevention tips — because with TMD, prevention is better than cure.
Related Reading:
Headaches and the spine: can chiropractic care help tension and cervicogenic headaches?
Is chiropractic safe? What patients in Bury St Edmunds should know
Questions
Is my one-sided headache caused by my jaw (TMJ)?
What are the symptoms of TMJ disorder (TMD)?
What causes TMJ problems?
How do I test my jaw joint at home?
What exercises help TMJ pain?
How do I stop grinding and clenching my teeth?
Key Takeaways (timestamped)
[00:00] The link — a one-sided headache, with neck, shoulder, or jaw pain, may be temporomandibular disorder (TMD).
[00:20] Symptoms — one-sided headache, jaw/facial pain, earache, difficulty opening the mouth fully, jaw locking, and a grinding sensation felt or heard at the joint (just in front of the ears).
[01:14] Causes — chiefly stress-related teeth grinding and clenching, plus trauma, an over- or under-bite, and wear and tear in the joint.
[01:46] Three self-tests — the three-finger test (can you fit three fingers of your non-dominant hand in your mouth?); the deviation test (does the chin veer left/right, or push forward, when opening?); and the joint test (feel for grinding at the joint in front of the ear).
[04:14] Exercises — self-massage and trigger-point therapy for the temporalis, masseter, and suboccipital muscles, then gently guiding the jaw back into a straight opening path with the hand (ice afterwards if sore).
[09:52] Five prevention tips — don’t rest your chin on your hands; stop grinding/clenching (become aware of it by day, and rest the tongue between the teeth to prevent it); avoid chewing gum and pen tops; don’t yawn too wide; and eat softer food in small bites.
Transcript
Introduction
Do you get pain at the side of your head, maybe your neck and shoulders, possibly over your jaw? You might be struggling with temporomandibular disorder. Stay tuned for self-tests and exercises.
Symptoms of TMD
TMD is caused by irritation of the temporomandibular joint — your jaw joint — which sits just in front of your ears and connects your jaw to your skull. Common symptoms: a one-sided headache, neck and shoulder pain, jaw pain, facial pain, earache, difficulty opening the mouth fully, jaw locking, and a grinding you can feel or hear at the joint when opening and closing.
Causes
Common causes: stress and anxiety leading to constant teeth grinding and clenching, which compresses the joint; trauma such as a blow to the face; an over-bite or under-bite so the teeth don’t lock together cleanly; and wear and tear in the joint.
Self-Tests
Three tests. The three-finger test: put three fingers of your non-dominant hand into your mouth — if you can, your opening is probably fine. The deviation test: opening should send the chin straight down; if the jaw deviates left or right, or the chin pushes forward (viewed from the side rather than straight back), there may be a problem — a friend or mirror helps. The joint test: place a flat hand just in front of your ear, open and close to find the bit of bone, rest your fingers on it, and feel for grinding like sand in the joint.
Exercises
Two steps: self-massage, then jaw mobilisation. The muscles involved are the temporalis (side of the skull above the ear), the masseter (angle of the jaw), and the suboccipitals (base of the skull). Self-massage: use the palms of your hands to press and draw down over the temporalis and masseter for five to ten minutes, any time of day. Trigger-point therapy: support your index finger with your middle finger, find tender points in these muscles, and hold pressure 10–15 seconds (it may reproduce your headache) before moving on. For the suboccipitals: cup your ears, place your thumbs at the base of the skull, and dig in. Then guide the jaw: if it deviates or pushes forward on opening, gently use your hand to guide it into a straight path — be gentle, about five minutes, and ice afterwards if it aches.
Prevention
Five tips. Don’t rest your chin on your hands at your desk (it compresses the joint). Stop grinding and clenching — a habit and stress response you do by day too; become aware of it and rest your tongue between your teeth to prevent it (a night guard protects the teeth but doesn’t stop the clenching). Avoid chewing gum or pen tops. Don’t yawn too wide (you can lock the jaw). And eat softer food in small bites. Prevention is better than cure.
Closing
I hope you enjoyed this video about temporomandibular disorder. Take care of yourself, take care of someone else if you can, and bye for now.
Summary
A one-sided headache is frequently caused by irritation of the temporomandibular joint (TMJ) — the jaw joint just in front of the ears — a link many people miss. When irritated, it can produce a one-sided headache alongside jaw, facial, ear, neck, and shoulder pain, difficulty opening the mouth, jaw locking, and a grinding sensation. The most common cause is stress-related teeth grinding and clenching, though trauma, a bite misalignment, and wear and tear also contribute. This video shows three self-tests to check the joint — the three-finger opening test, the deviation test (whether the chin veers or pushes forward on opening), and feeling for grinding at the joint — then a two-part exercise plan: self-massage and trigger-point therapy for the temporalis, masseter, and suboccipital muscles, followed by gently guiding the jaw back into a straight opening path by hand (icing afterwards if sore). It finishes with five prevention tips, including becoming aware of daytime clenching and resting the tongue between the teeth to stop it, avoiding chewing gum and pen tops, not yawning too wide, and eating softer food. An important clarification: a night mouth guard protects the teeth from wear but doesn’t stop the clenching itself. Persistent or severe jaw pain should be professionally assessed.
Frequently Asked Questions
Can jaw problems cause a one-sided headache?
Yes — this is one of the most commonly missed causes. The temporomandibular joint (TMJ) sits just in front of the ears, and when it’s irritated it can refer pain as a one-sided headache, often together with jaw, facial, or ear pain and neck and shoulder tension. If a persistent one-sided headache comes with any jaw symptoms — clicking, grinding, locking, or difficulty opening — the jaw joint is worth checking.
What are the symptoms of TMJ disorder (TMD)?
A one-sided headache, jaw pain, facial pain, earache, neck and shoulder pain, difficulty opening the mouth fully, the jaw locking when you try to open it, and a grinding or gritty sensation (like sand in the joint) felt or heard just in front of the ear when opening and closing.
What causes TMJ problems?
The biggest cause is teeth grinding and clenching, usually a stress response. Other causes include trauma (such as a blow to the face), an over-bite or under-bite where the teeth don’t meet cleanly and constantly irritate the joint, and wear and tear within the joint itself.
How do I test my jaw joint at home?
Three tests. The three-finger test: can you fit three fingers of your non-dominant hand between your teeth? If so, your opening is probably adequate. The deviation test: watch (or have someone watch) your chin as you open — it should drop straight down and back; veering left or right, or pushing forward, suggests a problem. The joint test: rest your fingers on the joint just in front of your ear and open and close, feeling for grinding. Any of these can indicate TMJ irritation, though a professional assessment confirms it.
How do I stop grinding and clenching my teeth?
Grinding is a habit, and though people notice it at night, they usually do it in the day too — often during concentration, computer work, or driving in difficult conditions. The key steps are becoming aware of when you’re doing it, and resting your tongue between your teeth, which physically prevents you from clenching. Note that a night mouth guard protects your teeth from wearing down but doesn’t stop the clenching itself — you carry on clenching on the guard.
Does a mouth guard fix TMJ?
Not on its own. A night guard stops your molars and teeth wearing down from clenching, but the clenching continues — you simply grind on the guard instead. To actually reduce the irritation you need to address the clenching habit (awareness plus the tongue technique) alongside the self-massage and jaw-mobilisation exercises.
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