TMJ Problems and Braces: What UK Patients Need to Know

What is the temporomandibular joint (TMJ)?

The temporomandibular joints are the two hinge joints connecting your lower jaw (mandible) to the skull, located just in front of each ear. They allow the jaw to open, close, and move side to side. Each joint contains a small disc of cartilage that cushions movement. Temporomandibular disorder (TMD) is the umbrella term for conditions affecting these joints, the surrounding muscles, and the associated nerves. Symptoms include jaw clicking or popping, jaw locking, pain in front of the ear, headaches, limited mouth opening, and earache that has no ear-related cause. TMD affects an estimated 10 to 15% of the UK population to some degree, with women more commonly affected than men.

Can braces cause TMJ problems?

The short answer is no — orthodontic treatment does not cause TMD. This question became prominent after a wave of litigation in the United States in the 1980s and 1990s that suggested a link, but large-scale research since then has consistently failed to find one. A 2014 systematic review published in the American Journal of Orthodontics and Dentofacial Orthopedics, and multiple subsequent studies, concluded that orthodontic treatment neither causes nor significantly worsens TMD. The temporary jaw soreness many patients experience after brace adjustments or new aligner trays is not TMD — it resolves within a few days and is caused by tooth movement, not joint damage. If you develop jaw clicking or pain during treatment that persists, this should be reviewed clinically, but it is unlikely to be caused by the orthodontics.

Can braces fix TMJ problems?

Orthodontic treatment alone is not a reliable treatment for TMD, and UK clinical guidance does not support using orthodontics primarily to treat joint symptoms. That said, certain malocclusions are associated with an increased likelihood of TMD. Class II Division 2 with a deep overbite and a retruded condylar position is the most studied — addressing the deep bite and retroclination through orthodontics can reduce strain on the joint in some patients. Anterior open bite and posterior crossbite with a mandibular shift are also associated with joint symptoms in some cases. Where there is a clear relationship between the bite problem and joint symptoms, treating the malocclusion may provide some symptomatic relief, but this outcome cannot be guaranteed. Patients with active TMD symptoms are generally stabilised before orthodontic treatment begins, rather than expecting orthodontics to resolve the symptoms.

Managing joint symptoms during orthodontic treatment

If you have a known history of TMD, tell your orthodontist before treatment starts. Pre-treatment records, including a clinical assessment of joint health, are standard practice. During treatment, temporary increases in jaw discomfort can occur after adjustments — paracetamol or ibuprofen taken as directed, soft food for a day or two, and gentle jaw stretches usually resolve this. Persistent clicking, locking, or pain that does not settle within a week should be reported to your orthodontist. They may refer you to an oral and maxillofacial surgeon or a specialist in orofacial pain if symptoms warrant it. Occlusal splints are sometimes used alongside orthodontic treatment in patients with significant muscle-related TMD, though these are separate from orthodontic retainers.

When to see a specialist and the NHS referral pathway

For most mild to moderate TMD, your orthodontist and GDP can manage symptoms collaboratively. If symptoms are severe — significant restriction in mouth opening, joint locking that requires manipulation, or ongoing pain not responding to conservative management — a secondary care referral is appropriate. In the NHS, referral is typically to an oral and maxillofacial surgery (OMFS) department or a specialist orofacial pain clinic via your GDP or orthodontist. Waiting times vary across NHS trusts. Private orofacial pain specialists and consultant oral surgeons can be accessed more quickly for complex joint assessment. Investigations may include MRI of the TMJ to assess disc position, CT or CBCT for bony changes, and joint injections for diagnostic or therapeutic purposes. Surgery is reserved for a minority of cases where conservative treatment has failed.

Key points for UK patients

TMD is common and multifactorial — stress, parafunction (clenching and grinding), joint anatomy, and trauma all contribute more than bite does. Orthodontic treatment does not cause TMD. Mild clicking is extremely common and does not require treatment in the absence of pain or functional limitation. If you have active TMD, ensure your orthodontist is aware before starting treatment. Most joint symptoms during orthodontic treatment are temporary and self-limiting. Seek clinical review if pain or clicking persists or worsens during treatment — do not simply assume it is a normal part of the process.

Useful related pages

This guide is for general information only. It is not a diagnosis, treatment plan, or substitute for advice from a registered dentist or orthodontist.