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Components of a Complete Clasp Assembly A well-designed clasp assembly includes the following three essential elements: Retentive Arm Engages the undercut on the abutment tooth to provide retention. Terminal end placement: Should lie in the gingival third of the tooth for optimal retention and esthetics. Occlusal Rest Transfers occlusal forces to the abutment tooth. Maintains vertical dimension and prevents tissue-ward …
Finish lines are the marginal configurations at the interface between a restoration and the tooth structure that are intended to be refined and polished to a smooth contour. In prosthodontics, they are crucial for the proper adaptation and seating of restorations, as well as for maintaining the health of the surrounding soft and hard tissues. Finish lines can be classified in several ways, such as by their location, purpose, and the burs used to create t…
LIMITING STRUCTURES A) Labial, lingual & buccal frenum - It is fibrous band extending from the labial aspect of the residual alveolar ridge to the lip containing a band of the fibrous connective tissue the that helps in attachment of the orbicularis oris muscle. - It is quite sensitive hence the denture should have an appropriate labial notch. - The fibers of buccinator are attached to the buccal frenum. - Should be relieved to prevent displacement of t…
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