All of the following features describe the proximal plate/guiding plate area needed for proper functioning of the RPI clasp assembly, except
- a guiding plane is prepared on the distal surface of the abutment tooth in the occlusal one-third
- the guiding plane is approximately 2 3 mm in height occlusogingivally
- an undercut should exist below the guiding plane to permit movement of the proximal plate
- the proximal plate contacts approximately 1 mm of the occlusal portion of the guiding plane
- the proximal plate contacts approximately 1 mm of the gingival portion of the guiding plane
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