The RPA clasp was developed to deal with the problems encountered with the use of the RPI clasp. The initials signify rest, proximal plate, and Akers

1983年1月1日 · The clasp is simple in design with few variations among patients and thus can be easily and consistently fabricated by dental laboratories. But most important, the …

2020年10月5日 · Direct retainer is a component of removal partial dentures (RPD), which is used to retain and prevent dislodgement, consisting of a clasp assembly or precision attachment. …

2019年7月23日 · Maxillary removable partial denture (RPD) with a cosmetic circumferential clasp for premolars with occlusal rest (CCCPO = C3PO) clasp on the premolar. The distal occlusal …

Round clasp makes only line contact with tooth surface to facilitate release from abutment tooth under occlusal loading and eliminate need for blockout on

When properly used, the cast round clasp eliminates the need for blockout of the facial aspect of the terminal abutment normally required with the half-round clasp. This technique includes …

1985年8月1日 · When properly used, the cast round clasp eliminates the need for blockout of the facial aspect of the terminal abutment normally required with the half-round clasp. This …

2021年11月17日 · This document discusses the RPI and RPA concepts for removable partial dentures. It begins by defining direct retainers and clasp functions. It then describes the …

2019年7月16日 · This document provides an overview of removable partial denture (RPD) design, with a focus on the RPI and RPA systems. It discusses the challenges of tooth-tissue …

The clasp is simple in design with few variations among patients and thus can be easily and consistently fabricated by dental laboratories. But most important, the circumferential retentive …