Is crown lengthening necessary?
I had a root canal treatment on my molar, and half of it has broken off, with the broken part not visible as it is below the gum line.
The root is still intact.
I found online that if a tooth is cracked below the gum line, a crown lengthening procedure is recommended before placing a crown to ensure stability and a proper seal to prevent decay.
However, my dentist only mentioned placing a crown and did not mention this procedure.
Is it because not every case of a tooth breaking down to the gum line requires crown lengthening? Thank you.
Lin Zhihao, 50~59 year old female. Ask Date: 2016/06/07
Dr. Huang Zhicheng reply Dentistry
Hello: Whether you need crown lengthening is determined on a case-by-case basis.
Based on your description, it is not possible to ascertain the actual clinical situation.
It would be advisable to discuss your concerns with your dentist.
Wishing you safety and health.
Sincerely, Dr.
Huang Chih-Cheng, Director of Dentistry, Taoyuan General Hospital, Ministry of Health and Welfare.
Reply Date: 2016/06/07
More Info
When considering whether crown lengthening is necessary before getting a dental crown, it is essential to understand the specific circumstances surrounding your dental health. Crown lengthening is a surgical procedure that involves removing gum tissue and sometimes bone to expose more of the tooth structure. This procedure is typically indicated when there is insufficient tooth structure above the gum line to support a crown securely.
In your case, where you have undergone root canal treatment and a significant portion of your tooth has broken off, the decision to perform crown lengthening depends on several factors. If the remaining tooth structure is not adequate to support a crown, then crown lengthening may be recommended to ensure that the crown can be properly anchored and sealed. This is particularly important because a well-fitted crown helps prevent future decay and provides stability to the tooth.
However, not every situation where a tooth is broken down to the gum line necessitates crown lengthening. If your dentist has assessed that there is enough tooth structure remaining to support the crown without the need for additional lengthening, they may choose to proceed directly with placing the crown. Dentists often evaluate the clinical crown length (the portion of the tooth above the gum line) and the health of the surrounding gum tissue before making this decision.
It is also important to consider the type of crown being placed. Some crowns, such as those made from all-ceramic materials, may require more tooth structure for proper retention compared to metal-ceramic crowns. If your dentist believes that the crown can be adequately retained without the need for crown lengthening, they may opt to proceed without it.
If you have concerns about the stability of the crown or the potential for future issues, it is crucial to communicate these with your dentist. You have the right to ask questions and seek clarification on their treatment plan. If you feel uncertain about their recommendation, consider seeking a second opinion from another dental professional. They can provide additional insights and help you make an informed decision about your dental care.
In summary, whether crown lengthening is necessary before getting a dental crown depends on the amount of tooth structure remaining, the type of crown being used, and the overall health of your gums and teeth. While it is not always required, it can be beneficial in ensuring a secure fit for the crown and preventing future dental issues. Always feel empowered to discuss your concerns and treatment options with your dentist to ensure you receive the best possible care for your dental health.
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