What is the purpose in Dentistry of dental dams?
A dental dam or rubber dam is a thin, 6-inch square sheet, usually latex or nitrile, used in dentistry to isolate the operative site from the rest of the mouth. Sometimes termed "Kofferdam"-from German, it was designed in the United States in 1864 by Sanford Christie Barnum. It is used mainly in endodontic, fixed prosthodontic and general restorative treatments. Its purpose is both to prevent saliva interfering with the dental work, and to prevent instruments and materials from being ...
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