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Prosthodontics & Occlusion · single question

What is the purpose of ANTERIOR guidance?

To disclude the posterior teeth and relieve forces on the masticatory muscles/posterior teeth
To establish the vertical dimension of occlusion
To restrict the opening envelope of motion
To drastically change centric relation

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Correct answer: A. To disclude the posterior teeth and relieve forces on the masticatory muscles/posterior teeth

A. Correct – anterior guidance separates the posterior teeth in excursions (mutually protected occlusion), reducing posterior and muscular loading.
B. Incorrect. Vertical dimension is set by posterior support and rest position; anterior guidance instead disoccludes the posterior teeth during excursions.
C. Incorrect – guidance shapes excursive paths, it does not restrict opening.
D. Incorrect – anterior guidance does not alter CR.

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