FIXED PARTIAL DENTURE

800.00

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Design of a preparation for a cast restoration and the execution of the design are governed by five principles:

  1. Preservation of tooth structure
  2. Retention and resistance
  1. Structural durability
  2. Marginal integrity
  3. Preservation of the periodontium

 

Preservation of Tooth Structure

  • In addition to replacing lost tooth structure, a restoration must preserve remaining tooth structure.
  • Intact surfaces of tooth structure that can be maintained while producing a strong, retentive restoration should be saved if patient acceptance and retention requirements will permit it.
  • Whole surfaces of tooth structure should not be needlessly sacrificed to the bur in the name of convenience or speed.
  • Preservation of tooth structure in some cases may require that limited amounts of sound tooth structure be removed to prevent subsequent uncontrolled loss of larger quantities of tooth structure.

 

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