Dealing with Overgrown Molars: Treatment Options Explained

Excessively long teeth?

The molar has been broken for a long time without being restored, and the opposing molar has over-erupted.
What treatment options are available for the over-erupted tooth? It is clearly noticeable that it is much longer than the adjacent teeth.

KEN, 20~29 year old female. Ask Date: 2005/10/30

Dr. Zeng Guanghui reply Dentistry

The molar at the back has been decayed for a long time without restoration, causing the opposing molar to over-erupt.
This occurs because the upper and lower teeth exert opposing forces during occlusion.
When one side of the teeth is damaged or lost, the opposing teeth tend to grow towards the area of the missing tooth.
As a result, the contact points between the over-erupted tooth and adjacent teeth change, making it easier for food debris to become trapped in the gaps.
Additionally, the height of the occlusal plane becomes noticeably different from that of neighboring teeth, which can lead to occlusal interference during prolonged chewing.
If the difference in occlusal height is minimal, slight grinding of the over-erupted tooth can help adjust the occlusion.
However, if the difference in occlusal height is significant, excessive grinding of tooth structure may be required to achieve a level occlusal plane with the adjacent teeth.
In such cases, it may be necessary to consider performing root canal treatment before making occlusal adjustments.

Reply Date: 2005/10/30

More Info

Dealing with overgrown molars can be a common dental issue, particularly when a tooth has been damaged or has not been properly treated for an extended period. When a molar has broken down and has not been restored, the opposing tooth may continue to grow, leading to an uneven bite and potential discomfort. Here are some treatment options and considerations for managing this situation.

1. Dental Examination
The first step in addressing overgrown molars is to schedule a dental examination. A dentist will assess the condition of the overgrown molar, the opposing tooth, and the overall alignment of your bite. X-rays may be taken to evaluate the roots and surrounding bone structure, which can help determine the best course of action.

2. Crown Lengthening
If the overgrown molar is significantly longer than the adjacent teeth, a procedure known as crown lengthening may be recommended. This surgical procedure involves removing some of the gum tissue and possibly bone around the tooth to expose more of the tooth structure. This can help create a more balanced appearance and improve the bite.

3. Tooth Reduction
In some cases, the dentist may suggest reducing the height of the overgrown molar. This procedure, known as occlusal adjustment, involves reshaping the tooth to bring it back into alignment with the surrounding teeth. This can alleviate discomfort and improve the function of the bite.

4. Restorative Options
If the molar has been damaged or decayed, restorative options such as fillings, crowns, or onlays may be necessary. A crown can provide strength and protection to a tooth that has been significantly compromised. If the tooth is too damaged, extraction may be considered.

5. Orthodontic Treatment
If the overgrowth is part of a larger issue with tooth alignment, orthodontic treatment may be beneficial. Braces or clear aligners can help reposition the teeth and create a more harmonious bite. This is particularly useful if there are multiple teeth that are misaligned.

6. Regular Monitoring
If the overgrown molar does not require immediate treatment, regular monitoring may be sufficient. Your dentist can keep an eye on the tooth's condition and recommend treatment if it begins to cause problems.

7. Preventive Care
To prevent future issues with overgrown molars, maintaining good oral hygiene is crucial. Regular dental check-ups, cleanings, and addressing any dental issues promptly can help keep your teeth healthy and properly aligned.

Conclusion
In summary, overgrown molars can lead to various dental issues, including discomfort and misalignment. Treatment options range from simple adjustments to more complex restorative procedures. It is essential to consult with a dentist to determine the best approach based on your specific situation. Regular dental care and attention to oral hygiene can help prevent similar issues in the future. If you have any concerns about your dental health, do not hesitate to reach out to your dental professional for guidance and support.

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