Can I Replace Old Dental Fillings with White Material? - Dentistry

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Is it possible to remove and refill a dental filling?


When I was younger, the fillings for cavities were made of a dark material, so whenever I smiled, the traces of the fillings on my back teeth were visible.
Can I have those fillings removed and replaced with white ones?

Ping Shu, 20~29 year old female. Ask Date: 2009/12/17

Dr. Zhuang Suhui reply Dentistry


As long as the cavity itself is not too large to be filled or there are no areas below the gum line that cannot be illuminated, it is generally feasible.

Reply Date: 2009/12/17

More Info


Yes, you can replace old dental fillings with white material, and this is a common procedure in dentistry. Many patients seek to replace their old amalgam (silver) fillings, which can be quite noticeable, especially in visible areas like the front teeth or even the back teeth when smiling. The process of replacing these fillings involves several steps and considerations.

First, it’s essential to understand that dental amalgam fillings are made from a mixture of metals, including silver, mercury, tin, and copper. While they are durable and effective for restoring teeth, their metallic appearance can be unappealing to many patients. On the other hand, composite resin fillings, which are tooth-colored, provide a more aesthetic solution. They can be matched to the color of your natural teeth, making them less visible and more appealing.

When considering replacing your old fillings, here are some key points to keep in mind:
1. Consultation with Your Dentist: The first step is to consult with your dentist. They will evaluate the condition of your existing fillings and the surrounding tooth structure. If the fillings are still intact and the tooth is healthy, your dentist may recommend replacing them. However, if the tooth has significant decay or damage, additional treatment may be necessary.

2. Removal of Old Fillings: The process involves the careful removal of the old amalgam fillings. Your dentist will use specialized tools to extract the filling material without damaging the surrounding tooth structure. This step is crucial, as it ensures that the new filling can bond effectively to the tooth.

3. Preparation of the Tooth: After the old filling is removed, the dentist will clean the cavity and prepare the tooth for the new filling. This may involve etching the tooth surface to create a better bond for the composite material.

4. Placement of the New Filling: The dentist will then apply the composite resin in layers, curing each layer with a special light to harden it. This technique allows for a strong bond and a natural appearance. The dentist will shape and polish the filling to ensure it fits well with your bite and looks natural.

5. Post-Procedure Care: After the procedure, it’s essential to follow your dentist's instructions for care. You may experience some sensitivity after the filling is placed, but this should subside over time. Regular dental check-ups will help monitor the condition of your fillings and overall oral health.

6. Cost Considerations: If you are concerned about the cost, it’s worth discussing with your dentist. Many dental insurance plans cover the replacement of fillings, especially if they are deemed necessary for health reasons. Additionally, composite fillings may be more expensive than amalgam, but they offer aesthetic benefits that many patients find worthwhile.

In conclusion, replacing old dental fillings with white material is not only possible but also a common practice aimed at improving the aesthetics of your smile. It’s essential to work closely with your dentist to ensure that the procedure is done safely and effectively, resulting in a beautiful and functional restoration. If you have further questions or concerns, don’t hesitate to reach out to your dental professional for personalized advice.

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