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Prosthodontics & Occlusion · single question

What is the primary purpose of a dental surveyor (delineador) in RPD design?

  1. Measuring distance between abutment teeth
  2. Evaluating occlusal vertical dimension
  3. Assessing bone density around abutments
  4. Determining undercuts and path of insertion
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Correct answer: D. Determining undercuts and path of insertion

Surveyor identifies: retentive zones (below survey line), non-retentive/expulsive zones (above line), and establishes the path of insertion and withdrawal for the RPD. Critical for clasp design.

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