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The removal of dead or diseased nerve tissue from the center of a tooth, intended to avoid a toothache or premature loss of a functioning tooth.
Most patients refer to restorations as “fillings” because material is used to “fill” a hole or broken spot in the tooth. Modern dental materials now allow dentists to remove minimal tooth structure and attach tooth-colored materials in a process that involves etching, to roughen the spot, and bonding to create adhesion. Patients prefer restorations that cannot be seen, but traditional silver fillings are also available. If too much tooth structure is missing, a tooth must receive a crown (cap), made out of metal, porcelain, or both, that is cemented in place for years of service. Crowns are also linked together to create a “bridge”, a restoration that closes a gap where teeth have been lost so patients can resume proper chewing.
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