Dealing with Pain from Lower Left Molars Scraping Tongue: Solutions and Insights - Dentistry

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If the inner edge of the lower left molar is scraping against the base of the tongue and causing pain, what should be done?


Hello Dr.
Lin, I appreciate your help.
I have been experiencing pain for the past two months due to the inner edges of my lower left first and second molars scraping against the base of my tongue, which has been very bothersome.
I have seen a dentist who attempted to modify them with resin, but it easily came off and was not effective.
I would like to ask:
1.
Does the alignment of teeth change with age? For example, do they tend to tilt inward or have sharper edges? I didn't have this issue of scraping my tongue before.

2.
I was thinking that if I could smooth out the inner edges of my lower molars, it might help.
Would this harm the enamel and lead to cavities?
3.
What are the professional treatment options that dentists can provide to address this issue? Thank you for your attention, Dr.
Lin.

steve, 60~69 year old female. Ask Date: 2021/03/20

Dr. Lin Jiayong reply Dentistry


Hello: 1.
Yes, the edges can become sharp due to wear from years of chewing.
2.
Yes, cavities are multifactorial and are not caused "solely" by grinding teeth.
3.
Physically, one can use an occlusal splint or a silicone night guard to prevent teeth grinding, while chemically, medications such as muscle relaxants can help alleviate the grinding condition.
Sincerely, Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2021/03/20

More Info


Dealing with pain from lower left molars scraping against the tongue can be quite uncomfortable and frustrating. Based on your description, it seems that you have been experiencing this issue for two months, and previous attempts to address it, such as resin modifications, have not provided lasting relief. Let’s address your questions and provide some insights into potential solutions.

1. Changes in Tooth Alignment with Age: Yes, tooth alignment can change over time due to various factors, including natural wear and tear, periodontal disease, and changes in jaw structure. As we age, the ligaments and bones that support our teeth can undergo changes, leading to slight shifts in position. Additionally, habits such as grinding (bruxism) or clenching can exacerbate these changes, causing teeth to tilt inward or develop sharper edges. If you notice that your teeth are becoming more angled or sharper, it may be worth discussing with your dentist, as they can evaluate your bite and overall dental health.

2. Smoothing the Edges of the Tooth: Your idea of smoothing the inner edges of the molars to prevent them from scraping your tongue is a common approach known as tooth contouring or reshaping. This procedure can indeed help alleviate discomfort. However, it is crucial to have this done by a dental professional to avoid damaging the enamel (the hard outer layer of the tooth). If the enamel is compromised, it can lead to increased sensitivity and a higher risk of cavities. A dentist can assess the amount of enamel present and determine the safest way to smooth the edges without compromising the tooth's integrity.

3. Professional Solutions: There are several professional approaches that a dentist might consider to address your issue:
- Tooth Reshaping: As mentioned, a dentist can reshape the edges of the molars to make them less likely to scrape against your tongue. This is a conservative approach that can provide immediate relief.


- Orthodontic Evaluation: If your teeth have shifted significantly, an orthodontist can evaluate your bite and determine if braces or other orthodontic treatments are necessary to realign your teeth properly.


- Dental Crowns: If the teeth are significantly worn down or have large fillings, a dentist might recommend crowns to restore their shape and function while also protecting them from further wear.


- Custom Mouthguards: If grinding or clenching is contributing to the problem, a custom-fitted mouthguard can help protect your teeth and reduce discomfort. This is especially useful if you experience bruxism, which can lead to uneven wear and changes in tooth alignment.

- Regular Dental Check-ups: Regular visits to your dentist are essential for monitoring your dental health. They can catch any changes early and recommend appropriate treatments to prevent further issues.

In conclusion, it is essential to address your discomfort with a dental professional who can provide tailored solutions based on your specific situation. Changes in tooth alignment can occur with age, and smoothing the edges of your molars may provide relief, but it should be done carefully to avoid damaging the enamel. A dentist can offer various treatment options, including reshaping, orthodontic evaluation, or protective devices, to help alleviate your pain and improve your oral health. If you continue to experience discomfort, do not hesitate to seek a second opinion or further evaluation from a dental specialist.

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