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Minimum number of clasp required to retention of the removable partial dentures is 2
Undercut for
Shoulder of the clasp prevents horizontal dislodgement.
Additional function of clasp is for distribution of stresses to the abutment teeth.
Retention provided by direct retainer support provided by occlusal rest.
Distal extension RPD
First step in altering abutment contour for clasp retention in RPD is placement of guiding planes after disking the proximal surfaces.
Position of the clasp on the abutment depends on:
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