Impact of Wisdom Tooth Extraction on Adjacent Crowned Molars - Dentistry

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Wisdom tooth adjacent to the dental crown?


Hello, doctor.
After undergoing root canal treatment on my molar, I am preparing to get a dental crown.
The adjacent wisdom tooth has already decayed.
Will extracting the wisdom tooth after the crown is placed affect the fit or cause damage to the molar crown? Thank you.

Yan, 30~39 year old female. Ask Date: 2017/04/03

Dr. Huang Tingfang reply Dentistry


Dear Mr.
Yan: Hello! There are still risks associated with wisdom tooth extraction! It is advisable to consult an oral surgeon! Please communicate more with your physician! Thank you! Wishing you safety! Sincerely, Dr.
Huang Ting-Fang, Dentistry.

Reply Date: 2017/04/03

More Info


The extraction of wisdom teeth, particularly when adjacent to crowned molars, can indeed have implications for the integrity and fit of the crown. When considering the extraction of a wisdom tooth (third molar) next to a crowned molar, several factors come into play that can affect the crowned tooth.

Firstly, the proximity of the wisdom tooth to the crowned molar is crucial. If the wisdom tooth is impacted or has significant decay, the extraction process may require careful manipulation to avoid damaging the adjacent crowned tooth. The roots of the wisdom tooth can be close to the roots of the crowned molar, and if the extraction is not performed carefully, there is a risk of damaging the crown or the underlying tooth structure.

Secondly, the extraction site may influence the stability of the crowned molar. After a wisdom tooth is removed, the surrounding bone may undergo changes as it heals. This can lead to a shift in the position of the crowned molar, potentially affecting the fit of the crown. If the crown was already in place before the extraction, the changes in the surrounding bone and gum tissue could lead to a less than optimal fit post-extraction.

Moreover, the healing process following the extraction of the wisdom tooth is essential to consider. During the initial healing phase, there may be swelling and inflammation, which can temporarily affect the alignment and occlusion of the crowned molar. It is crucial to follow post-operative care instructions to minimize complications and ensure proper healing.

In terms of dental occlusion, if the wisdom tooth is extracted, the bite may change slightly, which could affect how the crowned molar interacts with the opposing teeth. This is particularly important if the crowned molar is part of a larger dental restoration or if it plays a significant role in the patient's bite.

To mitigate potential issues, it is advisable to have a thorough discussion with your dentist or oral surgeon before the extraction. They may recommend imaging studies, such as X-rays, to assess the relationship between the wisdom tooth and the crowned molar. Additionally, they can provide specific guidance on the extraction technique that minimizes the risk of damaging the adjacent tooth.

In conclusion, while the extraction of a wisdom tooth adjacent to a crowned molar can pose risks to the crown's integrity and fit, careful planning and execution of the extraction can help mitigate these risks. It is essential to communicate openly with your dental care provider about your concerns and to follow their recommendations for both the extraction and the care of the crowned molar afterward. This proactive approach will help ensure the best possible outcome for your dental health.

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