Dental Amalgam fillings san rafael

Accepting New Patients in San Rafael, Novato, Marin County

Dental Amalgam is a commonly used dental filling that has been used for over 150 years. It is a mixture of mercury with at least one other metal. Amalgam has many advantages over other restorative materials, such as low cost, strength, durability, and bacteriostatic effects.

Amalgam is used in dentistry for a number of reasons. It is relatively easy to use and manipulate during placement; it remains soft for a short time so it can be packed to fill any irregular volume, and then forms a hard compound. Amalgam possesses greater longevity than other direct restorative materials, such as composite. On average, most amalgam restorations serve for 10 to 12 years, whereas resin-based composites serve for about half that time. However, with recent improvements in composite material science and a better understanding of the technique sensitivity of placement, it should be noted that this difference is decreasing.

There are circumstances in which composite (white fillings) serves better than amalgam; when amalgam is not indicated, or when a more conservative preparation would be beneficial, composite is the recommended restorative material. These situations would include small occlusal restorations, in which amalgam would require the removal of a more sound tooth structure, as well as in “enamel sites beyond the height of contour.”

The American Dental Association Council on Scientific Affairs has concluded that both amalgam and composite materials are considered safe and effective for tooth restoration.  However, we do not place amalgam fillings at our office because of poor esthetics and the presence, although small, of mercury.

Mercury and the Environment

Like you, we are concerned with the environment. With this in mind, we have installed an amalgam filtration system that ensures that we do not pollute mercury into the environment.  If you want or need to have an amalgam restoration replaced, we remove it while isolated from the rest of your mouth and make sure none of it goes into our environment.  That way your mouth and our waterways are free of any excess amalgam and we can rest easy knowing we maintain a low Mercury footprint.

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