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  • Writer's picturekristin Soraya

White fillings and Silver fillings? Which is Better?

Updated: Sep 15, 2023

White fillings, also known as composite fillings, and silver fillings, also called amalgam fillings, are two common materials used for dental restorations. Here are the benefits of white fillings compared to silver fillings:

1. Aesthetics: White fillings are tooth-colored and can be matched to the natural shade of your teeth, making them virtually invisible. This makes them especially suitable for visible areas of the mouth, such as the front teeth. On the other hand, silver fillings are dark and easily noticeable, which can be a concern for individuals who prioritize aesthetics.

2. Bonding: White fillings bond directly to the tooth structure. This bonding process helps to strengthen the tooth and prevent further damage. In contrast, silver fillings do not bond chemically to the tooth and rely on mechanical retention, which often requires the removal of more healthy tooth structure to create undercuts for retention.

3. Preservation of Tooth Structure: White fillings require less removal of healthy tooth structure compared to silver fillings. Dentists can preserve more of the natural tooth when placing a white filling, resulting in a more conservative restoration.

4. Versatility: White fillings can be used for both small and large restorations, including cavities in the front and back teeth. They can be shaped and molded to match the natural contours of the tooth, providing better aesthetics and functional results. Silver fillings, on the other hand, are mainly used for large restorations in the back teeth due to their strength and durability.

5. Temperature Sensitivity: Amalgam fillings are known to conduct temperature changes more efficiently, which can lead to increased sensitivity to hot and cold foods or beverages. White fillings are less conductive, reducing the risk of sensitivity.

6. Mercury Content: Silver fillings contain a small amount of mercury, which has raised concerns among some individuals. Although the American Dental Association and other professional organizations consider amalgam fillings safe, white fillings are mercury-free, providing peace of mind for those who prefer to avoid mercury exposure.

It's important to note that both white fillings and silver fillings have their advantages and are suitable for different situations. The choice of filling material depends on factors such as the size and location of the cavity, patient preferences, and the dentist's recommendation. Consulting with a dentist is essential to determine the most appropriate filling material for your specific needs.

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