Is there a possibility of allergic reactions to dental materials?
Hello, Doctor.
I had cavities in my molar and the adjacent tooth, which were previously filled with silver amalgam.
Recently, I had another cavity and went to a clinic for a refill, this time using resin.
About two weeks after the procedure, I experienced sensitivity when biting down on certain foods (like the hardness of a cabbage stem).
I returned to the same dentist, who conducted various tests on my teeth and said everything was fine, but offered to redo the filling if I wanted.
I decided to only have the molar refilled, and he assured me there were no issues.
However, two weeks later, the same sensitivity persisted.
I then consulted another dentist, but due to the National Health Insurance regulations that prohibit coverage for the same tooth within two years, I was advised to return to my original dentist.
I went back to him, and he reopened the adjacent tooth for a refill (his clinic does not use silver amalgam, so it was filled with resin again).
A week later, I still experience sensitivity even when biting down on rice grains.
I used chopsticks to apply pressure to my teeth and identified the painful spots.
Why did the dentist say there were no issues at the time? Additionally, I found someone online with a similar situation (having switched from silver amalgam to resin), and they reported that switching back to silver amalgam resolved the issue.
Therefore, I would like to ask the doctor two questions: 1.
Is it possible that I am allergic to the resin, causing the sensitivity? 2.
Given the National Health Insurance's two-year rule on the same tooth, am I really unable to seek treatment at another clinic?
KMH, 20~29 year old female. Ask Date: 2016/05/14
Dr. Huang Zhicheng reply Dentistry
Hello,
1.
Sensitivity after dental filling is quite common, especially in teeth with secondary caries.
Since the decay is deep and may be close to the pulp chamber, there can be pain and discomfort after the restoration.
It is recommended to monitor the situation for 2-4 weeks.
If there is no improvement, root canal treatment may be necessary to preserve the tooth.
2.
Please consult other facilities for further advice.
Wishing you safety and health,
Dr.
Huang Chih-Cheng,
Director of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare
Reply Date: 2016/05/14
More Info
To address your questions regarding dental resin allergies and tooth sensitivity, let's break it down into two main parts: the possibility of an allergy to dental resin and the implications of dental insurance regulations.
1. Can You Be Allergic to Dental Resin?
Yes, it is possible to have an allergic reaction to dental resin materials. Dental resins, particularly composite resins used for fillings, contain various components, including methacrylate compounds, which can cause allergic reactions in some individuals. Symptoms of an allergic reaction may include localized swelling, redness, and discomfort in the area where the resin was applied. However, tooth sensitivity, especially when biting down on certain foods, is more commonly associated with other factors rather than an allergy.
Tooth sensitivity can arise from several causes, including:
- Inadequate Bonding: If the resin is not properly bonded to the tooth structure, it can lead to microleakage, allowing stimuli (like temperature changes or pressure) to affect the nerve endings in the tooth.
- Pulpitis: If the decay was deep and close to the pulp, the nerve inside the tooth may become inflamed, leading to sensitivity.
- Occlusal Issues: If the filling is too high or improperly contoured, it can create an uneven bite, causing discomfort when chewing.
- Underlying Dental Issues: There might be other underlying issues, such as cracks or fractures in the tooth, that could be contributing to the sensitivity.
Given your experience of persistent sensitivity after multiple treatments, it would be prudent to discuss these possibilities with your dentist. If you suspect an allergy, you might consider consulting an allergist or a specialist in dental materials for further evaluation.
2. Dental Insurance Regulations and Seeking Care
Regarding your second question about dental insurance regulations, it is important to understand that while your insurance may have specific rules about coverage for the same tooth within a two-year period, this does not prevent you from seeking care elsewhere. You are entitled to seek a second opinion or treatment from another dental provider, even if your insurance may not cover the costs for that specific tooth.
Here are some steps you can take:
- Consult Another Dentist: You can visit another dental office for a second opinion. While your insurance may not cover the procedure, you can still receive an evaluation and treatment recommendations.
- Discuss Payment Options: Many dental offices offer payment plans or financing options for patients who are concerned about costs. This could make it more feasible to receive the necessary treatment without relying solely on insurance coverage.
- Document Your Symptoms: Keep a record of your symptoms, including when they occur and any specific triggers. This information can be helpful for any dentist you consult, as it provides context for your sensitivity issues.
In conclusion, while it is possible to be allergic to dental resin, the symptoms you are experiencing may be due to other factors related to the dental work performed. It is advisable to communicate openly with your dentist about your concerns, and do not hesitate to seek a second opinion if you feel your issues are not being adequately addressed. Additionally, you have the right to seek care from other providers regardless of your insurance limitations. Your oral health is important, and finding a solution that alleviates your discomfort should be a priority.
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