What Is Rest in Rpd
A Rest Is Any Rigid Part of an Rpd Framework Which Contacts a Properly Prepared Surface of a Tooth. a Rest Preparation or Rest Seat Is Any Portion of a Tooth...
A REST is any rigid part of an RPD framework which contacts a properly prepared surface of a tooth. A REST PREPARATION or REST SEAT is any portion of a tooth or restoration properly prepared to receive a rest.
What is denture rest?
An occlusal rest consists of two component parts-a horizontal portion and a vertical portion. The horizontal portion is that part which rests on the abutment tooth and transmits the forces of mastication to the tooth. The vertical com- ponent connects the horizontal part of the rest to the partial denture base.
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How deep should rest seats be?
An incisal rest seat should appear as a small, V-shaped notch located approximately 1.5 to 2.0 mm from the proximal-incisal angle of the tooth. The deepest part of the preparation should be toward the center of the tooth mesiodistally.
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