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Prosthodontics & Occlusion · single question

During lateral movement of the mandible, contacts that occur on the NON-WORKING (balancing) side involve:

  1. Posterior teeth on the side opposite the direction of movement
  2. The canines on the working side
  3. Only the anterior teeth
  4. No teeth at all in any scheme
Show answer and explanation

Correct answer: A. Posterior teeth on the side opposite the direction of movement

  • A. Correct. The non-working (balancing) side is the side OPPOSITE the direction of mandibular movement; contacts there involve posterior teeth and are usually considered interferences to be eliminated.
  • B. Canine contact occurs on the WORKING side in canine guidance.
  • C. Non-working contacts involve posterior teeth, not only anteriors.
  • D. Balanced complete-denture occlusion intentionally includes balancing contacts, so 'no teeth at all' is incorrect.

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