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Tuesday, March 17, 2009

103 MCQs in Prosthodontics

Tuesday, March 17, 2009

Which of the following is not a function of an indirect retainer?

  1. a part of the RPD that assists the direct retainers in preventing displacement of distal extension denture bases by functioning through lever action on the opposite side of the fulcrum line
  2. it tends to reduce anteroposterior tilting leverages on the principle abutments
  3. contact of the minor connector with vertical tooth surfaces aids in stabilization against horizontal movement of the denture. Such tooth surfaces, when made parallel to the path of placement, may also act as auxiliary guiding planes.
  4. anterior teeth supporting indirect retainers are splinted against lingual movement
  5. aids in retention of the RPD by increasing the strength of the direct retainers by redistributing the forces to all areas of the mouth.

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