Dental Filling Adjustments: Is Your Dentist's Approach Correct? - Dentistry

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Issues related to secondary adjustments in dental restorations?


I have a tooth that was just filled for a cavity, but when I use dental floss, it gets caught at the root and feels like there is a shallow small hole (gap).
When I pull the floss out, it bleeds.
The dentist's approach was to use a scaler and polishing strips to smooth the entire interproximal space.
I would like to know if his treatment was appropriate, or if my description led him to misunderstand and think that the contact point was too tight.
Thank you, doctor, for taking the time to address my question.

De, 30~39 year old female. Ask Date: 2019/11/06

Dr. Lin Jiayong reply Dentistry


Hello: If there is a cavitation in the root below the gum line, it may require gingival resection and refilling.
However, if it is the maxillary first or second premolar, the root may naturally have a cavitation due to its anatomical morphology, and refilling may not be necessary.
If the two teeth currently do not have a contact point and are exhibiting an open contact situation, you should ask your original dentist to refill them.
Thank you!

Reply Date: 2019/11/06

More Info


When it comes to dental fillings and adjustments, it's essential to understand the nuances of dental care and the potential implications of any discomfort or issues you may be experiencing. Based on your description, it sounds like you are dealing with a situation where a dental filling has been placed, but you are noticing some irregularities, particularly with the way dental floss interacts with the filled tooth.

Firstly, it’s important to recognize that after a filling, especially for cavities, the tooth structure can change. If you are experiencing bleeding when using dental floss, this could indicate that the filling is not properly contoured to the natural shape of your tooth, or it may be too high or uneven, causing trauma to the surrounding gum tissue. The presence of a "shallow small hole" or a groove where the floss gets caught could suggest that the filling material has not adequately filled the cavity or that there is a gap between the filling and the tooth structure.

Your dentist's approach of using a scraper and polishing strips to adjust the interproximal space (the area between teeth) is a common practice. This technique is often employed to ensure that the filling does not create tight contacts that can lead to gum irritation or bleeding. However, it is crucial that the dentist accurately assesses the situation. If they misinterpreted your description and assumed the issue was merely a tight contact rather than a potential gap or defect in the filling, it could lead to inadequate treatment.

In a typical scenario, if a filling is too high, it can cause discomfort when biting down, and if it is not contoured properly, it can lead to food trapping, which may cause further decay or gum issues. The bleeding you experience when flossing is a significant indicator that something may not be right. Healthy gums should not bleed when flossing, so this symptom should not be overlooked.

If you feel that your concerns were not fully addressed during your visit, it is advisable to seek a second opinion. A different dentist may provide a fresh perspective on the situation and could potentially identify issues that were missed previously. They might also take new X-rays to assess the filling's integrity and the surrounding tooth structure.

In summary, while your dentist's method of adjustment is standard practice, the underlying issue you are experiencing—bleeding when flossing and the sensation of a gap—should be thoroughly investigated. It is essential to communicate openly with your dentist about your concerns and ensure that you feel comfortable with the treatment plan. If necessary, do not hesitate to seek further evaluation to ensure that your dental health is not compromised. Remember, maintaining good oral hygiene and regular dental check-ups are crucial in preventing further complications.

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