Clicking Sounds in the Jaw: When to Seek Further Dental Care - Dentistry

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There is a crackling sound in the temporomandibular joint during chewing?


I started noticing a clicking sound in my right temporomandibular joint (TMJ) when eating about two years ago.
The left side does not make any noise.
I went to the TMJ department at Taipei Medical University Hospital for an X-ray examination, and the results indicated that since I do not experience pain when opening or closing my mouth, and there is no obvious sound audible to others, it is currently not a major concern.
However, I still hear the sound occasionally.
When I apply pressure to a specific angle of my right TMJ, I can feel something similar to cartilage moving inside, but there is nothing on the left side.
I believe nighttime bruxism can be ruled out, as I regularly visit a general dentist for check-ups and cleanings.
I have asked my dentist if there are any signs of teeth grinding; although I used to grind my teeth as a child, the dentist confirmed that I am not currently grinding my teeth.
Given my situation, do you think I should seek a second opinion at another hospital? I am a bit worried that the cartilage-like substance on the right side might wear down.
Thank you!

Tian, 20~29 year old female. Ask Date: 2019/01/12

Dr. Zeng Guanghui reply Dentistry


If there is a persistent sound in the right temporomandibular joint during chewing, it is recommended to have regular follow-up appointments.

Reply Date: 2019/01/12

More Info


When it comes to clicking sounds in the jaw, particularly in the context of temporomandibular joint (TMJ) disorders, it's essential to understand the underlying mechanisms and when to seek further dental care. Your experience of hearing a clicking or popping sound in the right side of your jaw while eating, without accompanying pain or significant external sounds, suggests a potential issue with the TMJ or the surrounding structures.

The TMJ is a complex joint that connects the jawbone to the skull. It allows for the movements necessary for chewing, speaking, and other functions. Clicking or popping sounds can occur when the disc within the joint becomes displaced or when there is a change in the joint's mechanics. This can happen due to various reasons, including stress on the joint, misalignment of the teeth, or previous trauma.

In your case, since you mentioned that the clicking sound is only present on the right side and that you can feel something akin to cartilage moving when you apply pressure, it is advisable to monitor the situation closely. The fact that you have had X-rays taken and were informed that there is no significant issue currently is reassuring. However, persistent sounds, especially if they are accompanied by any changes in function, discomfort, or if they worsen over time, warrant further investigation.

Here are some considerations regarding your situation:
1. Monitor Symptoms: Keep track of any changes in the clicking sound, such as increased frequency, intensity, or any new symptoms like pain, swelling, or difficulty in jaw movement. If you notice any of these changes, it would be prudent to seek further evaluation.

2. Consult a Specialist: If your current dentist or oral surgeon has not provided a satisfactory explanation or if you feel your concerns are not being adequately addressed, seeking a second opinion from a specialist in TMJ disorders may be beneficial. A specialist can conduct a more thorough examination, which may include advanced imaging techniques like MRI, to assess the condition of the joint and the disc.

3. Consider Non-Invasive Treatments: In many cases, TMJ disorders can be managed with non-invasive treatments. These may include physical therapy, the use of a night guard to prevent grinding, stress management techniques, and exercises to improve jaw function. Discussing these options with your dentist or a TMJ specialist can provide you with a comprehensive management plan.

4. Be Aware of Grinding: Although you mentioned that your dentist ruled out bruxism (teeth grinding), it’s important to remain vigilant. Sometimes, grinding can occur subconsciously, especially during sleep. If you suspect this might be the case, a night guard can help protect your teeth and reduce strain on the TMJ.

5. Lifestyle Modifications: Reducing stress, avoiding hard or chewy foods, and practicing relaxation techniques can also help alleviate symptoms associated with TMJ disorders.

In summary, while your current situation may not seem alarming based on the initial assessment, it is crucial to remain attentive to any changes. If you continue to experience clicking sounds or if any new symptoms arise, seeking further evaluation from a dental professional with expertise in TMJ disorders is advisable. Your oral health is important, and addressing these concerns early can help prevent more significant issues down the line.

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