Jaw

TMD (jaw joint pain)

Temporomandibular disorder is pain or dysfunction around the jaw joint and the muscles that move it. Most cases improve with simple self-care and reassurance.

Person pressing their fingers to a painful jaw joint in front of the ear

Common symptoms

  • Aching around the jaw joint, temple, cheek or ear
  • Clicking, popping or grating when you open and close
  • Jaw stiffness, especially first thing in the morning
  • Difficulty opening wide, or the jaw briefly locking
  • Headaches, and tenderness of the chewing muscles

Likely causes

  • Clenching or grinding the teeth, often linked to stress
  • Habits such as nail biting, chewing gum or resting on your hand
  • Prolonged wide opening, for example during dental treatment
  • Trauma to the jaw
  • Joint changes such as disc displacement or arthritis

What can help tonight

  • Eat a soft diet and cut food into small pieces for two to three weeks
  • Avoid chewing gum, hard foods, wide yawning and nail biting
  • Apply a warm compress to the jaw muscles for 10 to 20 minutes
  • Take pain relief as directed on the packet if needed
  • Notice and release daytime clenching — teeth should be apart at rest

This is general information, not a diagnosis. Always follow the advice given to you by your dentist.

When it's an emergency

  • A jaw that is locked open or that you cannot close
  • Jaw pain after a significant blow or accident, with a change in your bite
  • Jaw or facial pain with chest pain, breathlessness or arm pain — call 999

If any of these apply to you, call 999 or attend A&E now. Outside these signs, NHS 111 can advise out of hours.

What a ToothAid dentist can do online

TMD is well suited to remote assessment. A dentist can take a careful history, guide you through jaw movements on camera, rule out a dental cause for the pain, and give you a structured self-care and exercise plan.

What needs in-person treatment

If symptoms do not improve, you may need a custom night guard, or referral for physiotherapy or specialist oral medicine assessment. A dental cause such as a cracked tooth also needs examining in person.

Frequently asked questions

Is clicking in my jaw dangerous?

Painless clicking is common and usually needs no treatment. Clicking with pain, locking or a limited opening is worth assessing.

How long does TMD take to settle?

Most people improve substantially within a few weeks of consistent self-care, though symptoms can come and go with stress.

Will a night guard cure it?

A guard protects your teeth and often reduces morning pain, but it works best alongside habit changes and jaw exercises.

Could my jaw pain be coming from a tooth?

Yes. Tooth and jaw pain can feel very similar, which is why a dentist should be the first person to assess it.

Related conditions

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