the Connection Between TMJ Disorders and Dental Health - Dentistry

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Is there a connection between the temporomandibular joint and teeth?


Last month, I suddenly fell ill, and the doctor (not a dentist) diagnosed me with right temporomandibular joint (TMJ) arthritis.
My symptoms mostly stem from staying up late, dietary issues, malocclusion, and being prone to stress.
He mentioned that this condition is a result of long-term accumulation.
I have been taking medication for several weeks, and during this time, although my symptoms improved after finishing the medication, I still experienced severe pain in my ears and TMJ whenever I stayed up late.
At one point, I even thought it was a toothache.
After my last course of medication (I've taken it three times), I had an incident where I thought a pill was stuck in my throat, which led to an inexplicable sore throat on the right side and then an unexplained fever...
it wasn't severe, just 37.9 degrees Celsius.
During my last visit to the doctor, he confirmed that my throat was fine.
A few days after finishing the medication, I suddenly developed sensitivity in two symmetrical teeth when consuming hot or cold beverages.
I used a small dental mirror to check and didn't see any dark cavities...
I have had my teeth cleaned and don't believe it's periodontal disease! I feel so unfortunate, especially since I’m about to take a major exam and I’m dealing with this...
I take dental hygiene seriously, brushing my teeth with vertical, horizontal, and circular motions, cleaning both the inner and outer sides of my gums 1-2 times, fearing cavities.
I also use mouthwash and dental floss.
My upper and lower wisdom teeth have hard deposits near the gum line, and when I knock them off, they leave a hole...
I only knocked on the right side.
So, what is going on?

Yu Ting, 10~19 year old female. Ask Date: 2016/04/17

Dr. Huang Zhicheng reply Dentistry


Hello, based on the above situation, it appears that there has been long-term teeth grinding and malocclusion, which has resulted in muscle and joint pain.
It is recommended that the patient visit a clinic to assess the joint issues and temporarily avoid staying up late.
Regarding the molars, since we have not seen the actual condition, we cannot make a definitive conclusion; therefore, the patient should seek observation and treatment at a dental clinic.
Wishing you peace and health.
Sincerely, Dr.
Huang Chih-Cheng, Director of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/04/17

More Info


TMJ (temporomandibular joint) disorders are a complex set of conditions that can significantly impact dental health and overall well-being. Your symptoms, including pain in the right TMJ, sensitivity in your teeth, and the connection to stress and lifestyle factors, suggest a multifaceted issue that requires careful consideration.

TMJ disorders often arise from a combination of factors, including misalignment of the jaw (malocclusion), teeth grinding (bruxism), and stress. These conditions can lead to inflammation and pain in the TMJ, which is the joint that connects the jawbone to the skull. When the TMJ is not functioning properly, it can cause pain that radiates to the ears, neck, and even the teeth, mimicking dental pain. This is likely what you are experiencing, especially since you mentioned that your symptoms worsen with stress and late nights.

The sensitivity in your teeth, particularly after consuming hot or cold beverages, could be indicative of several issues. One possibility is that the sensitivity is related to the TMJ disorder itself, as the muscles and nerves around the jaw can become irritated and lead to heightened sensitivity in the teeth. Another possibility is that there may be underlying dental issues, such as cracks in the teeth (cracked tooth syndrome) or even early signs of tooth decay that are not yet visible on X-rays. The hard substance you mentioned near your wisdom teeth could be tartar buildup or even a dental calculus, which can contribute to gum irritation and sensitivity.

It's important to note that while you are diligent about your oral hygiene, factors such as stress and bruxism can counteract those efforts. Stress can lead to muscle tension in the jaw, which can exacerbate TMJ symptoms and lead to grinding or clenching of the teeth, further damaging them over time. This cycle can create a situation where dental health is compromised despite good hygiene practices.

Given your symptoms and the complexity of your situation, it would be advisable to consult with a dental professional who specializes in TMJ disorders. They can provide a thorough examination, including assessing your bite and jaw alignment, and may recommend imaging studies such as an MRI to evaluate the TMJ more closely. Treatment options can vary widely, from conservative approaches like physical therapy, stress management techniques, and the use of a night guard to prevent grinding, to more invasive procedures if necessary.

In the meantime, managing stress through relaxation techniques, ensuring adequate sleep, and avoiding hard or chewy foods that may exacerbate your symptoms can be beneficial. Additionally, if you experience any new or worsening symptoms, such as persistent fever or worsening pain, it is crucial to seek medical attention promptly.

In summary, TMJ disorders can significantly impact dental health, and your symptoms suggest a need for a comprehensive evaluation by a specialist. By addressing both the TMJ issues and any potential dental concerns, you can work towards alleviating your symptoms and improving your overall oral health.

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