Conditions + Treatments

Fillings In-Depth

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There are many different types of fillings, including:

  • Dental Amalgams - Dental amalgams, also known as silver fillings, are comprised of a mixture of mercury (45 to 50 percent), and an alloy of silver, tin, and copper (50 to 55 percent). When combined with other materials in a dental amalgam, mercury's chemical nature changes.

  • Composite Resins - Also known as white fillings, a composite resin is a tooth-colored plastic mixture filled with glass (silicon dioxide) that is used primarily for cosmetic improvements of the smile by changing the color of the teeth or reshaping disfigured teeth.

Other alternatives to restoring damaged or decayed teeth:

  • Porcelain veneers - a ceramic material is bonded to the front of teeth to change the tooth's color, size and/or shape

  • Crown - a cap that covers a cracked or broken tooth, unfixed by a filling, to approximate its normal size and shape

  • Cast gold restorations - this type of restoration is often more costly and may require more than one dental fitting

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- Sandra L. Fenwick, President and CEO

Boston Children's Hospital
300 Longwood Avenue, Boston, MA 02115
For Patients: 617-355-6000
For Referring Providers: 844-BCH-PEDS | 844-224-7337

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