Tooth Sensitivity and Bad Taste After Dental Work - Dentistry

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Tooth sensitivity and unusual tastes in the mouth, especially after dental work, can be concerning and uncomfortable. Based on your description, it seems you are experiencing sensitivity in tooth A, which has been filled for over a decade, and tooth B, which has undergone root canal treatment. The symptoms you describe, including sensitivity and a foul taste, warrant further exploration.

1. Can a filled tooth (tooth A) develop cavities again?
Yes, it is possible for a tooth that has been filled to develop new cavities, especially if the filling material has degraded over time or if there are changes in oral hygiene practices. Factors such as plaque accumulation, dietary habits, and the presence of bacteria can contribute to the risk of new decay. If the filling is intact and there are no visible signs of decay on X-rays, the likelihood of new cavities forming is reduced. However, sensitivity can arise from other issues, such as gum recession or exposure of the tooth root, which can occur over time.

2. Could I have periodontal disease?
The symptoms you describe, particularly the sensitivity in the gums between teeth A and B and the foul taste, may indicate gum inflammation or periodontal disease. Periodontal disease begins with gingivitis, characterized by swollen, bleeding gums, and can progress to more severe forms that affect the bone supporting the teeth. The sensitivity you feel could be due to gum recession, which exposes the tooth roots and leads to discomfort when pressure is applied or when certain foods are consumed. The foul taste you mention could also be a sign of infection or inflammation in the gums.

Given these concerns, it is crucial to follow up with your dentist for a thorough examination. Here are some recommendations:
- Professional Cleaning: Regular dental cleanings can help remove plaque and tartar buildup, which are significant contributors to gum disease and tooth decay. If you haven't had a cleaning recently, it may be beneficial to schedule one.

- Gum Health Assessment: Your dentist should assess the health of your gums, checking for signs of inflammation, recession, or pockets that may indicate periodontal disease.

- X-ray Evaluation: Although recent X-rays showed no cavities, it may be worth discussing with your dentist the possibility of taking more detailed images to evaluate the health of the bone and surrounding structures.

- Sensitivity Management: In the meantime, using desensitizing toothpaste can help alleviate some of the discomfort associated with tooth sensitivity. Avoiding extremely hot or cold foods and beverages may also provide relief.

- Follow-Up Visits: If your symptoms persist or worsen, do not hesitate to return to your dentist. They may recommend further treatments, such as deep cleaning (scaling and root planing) or even referral to a periodontist for specialized care.

In conclusion, while it is possible for a filled tooth to develop new cavities, the sensitivity and bad taste you are experiencing could be related to gum health issues. Regular dental visits and good oral hygiene practices are essential in preventing further complications. Always communicate openly with your dentist about your symptoms and any concerns you may have, as they can provide tailored advice and treatment options based on your specific situation.