Fillings and Their Alternatives

Why do fillings need to be replaced? Why are ceramics, composites, porcelain, or gold filling materials often recommended over amalgams?

Amalgams, commonly known as silver fillings, expand and contract, and begin to break down after time. Small cracks, that come from natural wear and tear, become pathways for bacteria, and decay may form underneath existing fillings. The life span of an amalgam restoration is typically around 10 years, and the underlying tooth is subjected to continuing disintegration. Stronger and less porous materials, like ceramic, porcelain and gold, should last 15 years or more and, even more important, preserve the health of the tooth.

Each time a filling is replaced with another amalgam, more tooth structure is lost as the tooth is prepared for restoration. And unlike stronger materials, an amalgam does nothing to hold a tooth together; this, too, makes fractures more likely to occur. An amalgam also discolors the remaining tooth structure that surrounds it, another factor that can be avoided when using ceramic. Additionally, the high mercury content in this type of restoration has been linked to allergies and immune system dysfunction.

Bonded ceramic onlays, crowns and veneers, as well as small composite resin restorations, are among the options we offer to patients. At your oral hygiene visit, your teeth are checked (with traditional instruments and x-rays, as well as lasers and intra-oral cameras) for decay and loose or fractured fillings. The situation will dictate the treatment plan we recommend. We will answer all your questions and help you choose the best solution for conservation, aesthetics, and durability.

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