Is Your Cavity Still Decaying? Dental Treatment Decisions - Dentistry

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Cavities were not cleaned properly?


I recently switched dental clinics, and after taking X-rays, the dentist discovered that a previous dentist seemingly did not completely clean out a cavity before filling it, leaving a small amount of decay inside.
However, since redoing the filling would require drilling a larger area, we decided to monitor it for now and check it again in six months.
I would like to know if the decay will continue to progress inside the tooth.

Ty, 20~29 year old female. Ask Date: 2024/06/13

Dr. Lin Jiayong reply Dentistry


Hello: It is recommended to simply observe for now.
Cavity-causing bacteria also require nutrients and oxygen to continue eroding the teeth.
However, if there are already noticeable symptoms such as pain or sensitivity, it is advisable to proceed with excavation and refilling the affected area.

Reply Date: 2024/06/13

More Info


When it comes to dental health, the management of cavities and the decision-making process surrounding dental treatments can be quite complex. Based on your situation, it appears that you have a cavity that was not completely cleaned out before being filled, and you are currently in a wait-and-see approach with your new dentist. This raises several important considerations regarding the potential for further decay and the best course of action moving forward.

Firstly, it is essential to understand that cavities are caused by the demineralization of tooth enamel due to acids produced by bacteria that feed on sugars in the mouth. If a cavity is not entirely removed during the filling process, the remaining decayed tissue can continue to decay, leading to further damage to the tooth. In your case, since there is still some decay present, it is possible that the cavity could continue to progress, especially if the conditions in your mouth (such as oral hygiene, diet, and saliva flow) are conducive to bacterial growth.

The decision to monitor the cavity rather than immediately retreating it is not uncommon in dentistry. Your dentist may have assessed that the remaining decay is minimal and that the tooth is currently stable. However, it is crucial to maintain good oral hygiene practices during this observation period. This includes brushing twice a day with fluoride toothpaste, flossing daily, and possibly using an antibacterial mouthwash to help reduce the bacterial load in your mouth. Additionally, avoiding sugary foods and beverages can help minimize the risk of further decay.

It is also important to keep in mind that while monitoring the cavity may seem like a conservative approach, it does come with risks. If the decay progresses, it could lead to more severe issues, such as pulpitis (inflammation of the tooth's pulp) or even tooth loss. If you experience any new symptoms, such as increased sensitivity, pain, or swelling, it is crucial to contact your dentist promptly.

In terms of your follow-up, it is advisable to keep the scheduled appointment in six months for a re-evaluation. During this visit, your dentist will likely take new X-rays to assess the status of the cavity and determine if any further treatment is necessary. If the cavity has worsened, your dentist may recommend a more invasive treatment, such as a root canal or extraction, depending on the extent of the decay.

If you have concerns about the decision to wait, it may be beneficial to seek a second opinion from another dental professional. Different dentists may have varying philosophies regarding the management of cavities, and obtaining another perspective could provide you with additional insights and options.

In conclusion, while it is possible for the remaining decay in your tooth to continue progressing, the decision to monitor it is a valid one, provided that you maintain excellent oral hygiene and remain vigilant for any changes in your dental health. Regular check-ups and open communication with your dentist are key to ensuring that your dental health remains stable and that any necessary interventions are made in a timely manner. Remember, proactive dental care is essential for preventing further complications and maintaining a healthy smile.

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