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abutment (a-but´ment)

In dentistry, a natural tooth or implanted tooth substitute, used for the support or anchorage of a fixed or removable prosthesis.
auxiliary a. a tooth other than the one supporting the direct retainer, assisting in the overall support of a removable partial denture.
intermediate a. a natural tooth, or an implanted tooth substitute, without other natural teeth in proximal contact, used along with the mesial and distal a.'s to support a prosthesis; often called a "pier."
isolated a. a lone-standing tooth, or root, used as an a. with edentulous areas mesial and distal to it.
splinted a. the joining of two or more teeth into a rigid unit by means of fixed restorations to form a single a. with multiple roots.


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