The dentist only removed the decayed black areas of the tooth and filled it?
Hello Doctor: I had a filling done on the second to last lower molar, but later a black spot of decay appeared.
The doctor only removed the black spot and refilled it, but did not remove the previously placed resin because I remember that for a refill, the old resin should be removed first.
I would like to ask if this situation could make it easier for cavities to develop.
Additionally, is this method of filling correct? Thank you, Doctor.
Niming, 20~29 year old female. Ask Date: 2020/02/11
Dr. Lin Jiayong reply Dentistry
Hello: In general, all old fillings are removed; however, if the dentist assesses that removing the entire filling may lead to exposure of the root canal or make it difficult to refill, it may be sufficient to only remove the decayed portion.
The cause of cavities is related to bacterial proliferation and poor oral hygiene, and is less associated with the materials or methods used for fillings.
Thank you!
Reply Date: 2020/02/11
More Info
When it comes to dental care, particularly in the context of filling cavities, it is essential to understand the proper protocols that dentists should follow to ensure the long-term health of your teeth. Based on your description, it appears that your dentist opted to only remove the decayed portion of the tooth (the black spot) and did not remove the previously placed resin filling. This approach raises several important considerations regarding dental health and the effectiveness of cavity treatment.
Firstly, it is crucial to understand that when a cavity is detected, the standard procedure is to remove all decayed tissue from the tooth. This includes not only the new decay but also any existing fillings that may be compromised. If a filling is left in place while decay is present underneath or around it, there is a significant risk that the decay will continue to progress. This can lead to further complications, including the potential for more extensive decay, infection, or even the need for root canal therapy if the decay reaches the pulp of the tooth.
The rationale behind removing all compromised material is to create a clean, healthy environment for the new filling. If the old filling is left in place, it may harbor bacteria and decay, which can undermine the integrity of the new filling. This could indeed make the tooth more susceptible to future cavities, as the bacteria can proliferate in the space between the old filling and the tooth structure, leading to recurrent decay.
In your case, if the dentist only polished the surface and applied a new filling without addressing the underlying issues, it may not be the most effective treatment. The correct approach would typically involve removing the old filling, cleaning out any decay, and then placing a new filling that bonds well to the tooth structure. This ensures that the tooth is adequately protected against future decay.
Moreover, the materials used for fillings also play a significant role in the longevity and effectiveness of the treatment. Composite resins, while aesthetically pleasing, can sometimes be less durable than amalgam fillings, especially in areas of high chewing pressure. If your dentist used a resin filling without addressing the underlying decay properly, it could lead to a higher likelihood of future issues.
If you have concerns about the treatment you received, it is advisable to seek a second opinion from another dentist. They can evaluate the situation, possibly take new X-rays, and determine whether the previous treatment was adequate or if further intervention is necessary. It is also important to maintain regular dental check-ups, as these can help catch any issues early before they develop into more significant problems.
In summary, the approach taken by your dentist in treating the cavity may not align with best practices in dental care. Proper treatment should involve thorough removal of decay and compromised material, followed by a suitable filling that ensures the long-term health of the tooth. If you feel uncertain about the treatment you received, do not hesitate to consult another dental professional for a comprehensive evaluation and peace of mind.
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