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The bar clasp arm arises from the denture framework or a metal base and approaches the retentive undercut from a gingival direction. The bar clasp arm has been classified by the …
Mar 1, 2024 · Otherwise known as the RPI system, this clasping system consists of a mesial rest, a distal proximal plate, and an I-bar that originates from the gingival aspect, which engages …
In a Class II RPD, the anterior retentive arm lies forward of the axis of rotation and should be omitted, should engage a minimal undercut, or should be located entirely above the survey line …
Study with Quizlet and memorize flashcards containing terms like Simple circumferential clasp/Akers Clasp/Simple Circlet, I Bar, RPI and more.
Direct retainers are flexible parts of the casting that are designed to engage undercuts on the abutment teeth to resist removal of the prosthesis and to help prevent dislodgement. There are …
Results: Group I (Reverse circlet clasp) significant increase in bone resorption of abutment compared to those in Group II and Group III (modified half-and-half clasp assembly). From …
The document outlines the functional requirements of clasps, including retention, support, stability, and reciprocation. It also reviews several statements about clasp design, discussing whether …
Oct 5, 2020 · Reverse circlet clasp is indicated in distal extensions (Kennedy Class I and Class II) when distobuccal undercut is present. As the denture base moves down, the clasp moves …
Jul 22, 2018 · This clasp is essentially a simple circlet clasp in which the retentive arm after crossing the facial surface of the tooth from its point of origin loops back in a hairpin turn to …
Learn about removable partial denture direct retainers, clasp design, and requirements for retention, support, and stability. Explore different clasp types.
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