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Published on: 2/24/2026
Jaw locking from TMJ is usually caused by disc displacement, muscle clenching or bruxism, osteoarthritis, injury, or inflammatory arthritis, and most cases are treatable.
Medically approved first steps include resting the jaw with a soft diet, heat or ice, OTC NSAIDs as appropriate, gentle guided exercises, addressing grinding with a night guard, stress reduction, and physical therapy, and you should get dental or medical evaluation if symptoms persist or red flags occur; key nuances, urgent warning signs, and how to choose your next steps are detailed below.
If your jaw clicks, pops, locks, or aches when you chew, talk, or yawn, you may be dealing with TMJ—short for temporomandibular joint disorders (often called TMD). The temporomandibular joints connect your lower jaw to your skull. They're small, but they do a big job. When something goes wrong, everyday tasks like eating or speaking can become uncomfortable—or even painful.
The good news: most TMJ problems are treatable. Many improve with simple, conservative care. Let's break down why your jaw may be locking and what medically approved steps can help.
The temporomandibular joint (TMJ) acts like a sliding hinge. You have one on each side of your jaw. These joints allow your mouth to open, close, and move side to side.
TMJ disorders (TMD) happen when:
TMJ disorders are common. They affect millions of adults, especially women between 20 and 60. While uncomfortable, they are rarely dangerous.
A "locking" jaw can feel alarming. It may:
Here are the most common reasons this happens:
Inside the TMJ is a small cartilage disc that helps the joint glide smoothly. If this disc shifts out of position:
This is one of the most common causes of TMJ locking.
Stress, teeth grinding (bruxism), or jaw clenching can strain the muscles around the TMJ.
Like knees or hips, the TMJ can develop osteoarthritis. This happens when the protective cartilage wears down over time.
Signs may include:
If these symptoms sound familiar and you're wondering whether joint degeneration could be contributing to your jaw problems, you can use Ubie's free AI-powered Temporomandibular Joint Osteoarthritis (TMJ) symptom checker to get personalized insights in just a few minutes.
A fall, car accident, sports injury, or even dental procedures that require prolonged mouth opening can irritate or damage the TMJ.
Rheumatoid arthritis and other autoimmune conditions can affect the TMJ, leading to swelling and stiffness.
Most TMJ issues are uncomfortable but not life-threatening. However, you should speak to a doctor urgently if you experience:
Jaw pain can sometimes mimic heart conditions. If something feels severe or unusual, don't ignore it.
Most healthcare professionals recommend starting with conservative, non-surgical treatments. Surgery is rarely the first option.
Give your TMJ a break.
Think "soft diet" temporarily.
Use what feels best. Many people benefit from alternating both.
Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen can reduce pain and inflammation when used as directed. Always follow dosing guidelines and speak with a healthcare professional if you have medical conditions that limit NSAID use.
A dentist, physical therapist, or healthcare provider may recommend guided exercises to:
Do not force your jaw open. Controlled, gentle movement is key.
If you grind or clench your teeth:
Chronic grinding can worsen TMJ over time.
Specialized TMJ physical therapy may include:
Posture plays a larger role than most people realize. Forward head posture can strain the jaw muscles.
Stress often makes TMJ worse.
Helpful strategies include:
Even small changes can reduce jaw clenching.
If symptoms persist longer than a few weeks, worsen, or interfere with eating or speaking, speak to a healthcare professional. You may need:
In some cases, injections or other minimally invasive procedures may be considered—but these are typically not first-line treatments.
Surgery for TMJ is uncommon and usually reserved for severe structural damage or advanced joint disease that does not respond to conservative care.
Most people improve without surgery.
Yes—many cases of TMJ improve over weeks to months with simple measures. Early treatment increases the chances of recovery.
Ignoring ongoing symptoms, however, can lead to:
If your symptoms have been persistent and you're concerned about possible joint degeneration, taking a few minutes to complete Ubie's free AI-powered Temporomandibular Joint Osteoarthritis (TMJ) symptom checker can help you understand what might be happening and guide your next steps.
Consider adding these to your routine:
Small habits can prevent bigger problems.
TMJ disorders are common, treatable, and usually manageable with conservative care. A locking jaw can feel unsettling, but in most cases, it is not dangerous.
That said, ongoing or worsening symptoms deserve attention. Chronic joint changes like osteoarthritis can progress without proper management.
If your jaw pain:
Speak to a doctor or dentist promptly. If you experience symptoms that could be serious or life-threatening—such as chest pain, facial swelling with fever, or sudden neurological changes—seek immediate medical care.
You don't have to live with persistent TMJ discomfort. Early evaluation, simple lifestyle changes, and medically approved treatments can make a real difference.
(References)
* Al-Ani Z, Al-Ani M, Al-Rawi M. Temporomandibular Joint Internal Derangement: Diagnosis and Management. *J Oral Maxillofac Pathol*. 2019 Oct-Dec;23(3):360-370. doi: 10.4103/jomp.jomp_14_19. PMID: 32001889; PMCID: PMC6963471.
* Kopp S, Al-Ani Z. Conservative management of temporomandibular joint disorders. *Dent Update*. 2019 Mar;46(3):218-228. doi: 10.12968/denu.2019.46.3.218. PMID: 31081541.
* Calixtre LB, Paranhos L, Machado LAS, Oliveira AB. The effectiveness of physical therapy interventions in the management of temporomandibular disorders: a systematic review and meta-analysis of randomized controlled trials. *J Appl Oral Sci*. 2020 Jan 20;28:e20190135. doi: 10.1590/1678-7757-2019-0135. PMID: 31968132; PMCID: PMC6967735.
* Al-Ani Z, Davies SJ, Gray RJ, Sloan P, Glenny AM. Stabilization splint therapy for temporomandibular disorders. *Cochrane Database Syst Rev*. 2021 Jul 15;7(7):CD002778. doi: 10.1002/14651858.CD002778.pub4. PMID: 34264560; PMCID: PMC8406981.
* Haig AJ, Yamakawa KS, Park MC, Ohno K, Yamakawa F, Hukuda S. Treatment of temporomandibular joint internal derangement with hyaluronic acid injection: a systematic review and meta-analysis. *J Oral Maxillofac Surg*. 2019 Apr;77(4):728-739. doi: 10.1016/j.joms.2018.11.026. Epub 2018 Nov 29. PMID: 30639912.
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