Abstract

To improve the support of removable partial dentures, lingual rests are usually prepared on anterior incisor teeth or canines. However, lingual rest seat preparations in enamel are rarely satisfactory on anterior teeth because the enamel lacks the necessary thickness; an adequate rest seat form can be prepared on the working cast using wax, and a cingulum rest seats have been clinically provided using bonded composite resin without sacrifice of tooth structure. This is a conservative and repeatable procedure; if a debonding of the composite rest occurs, it can be simply and quickly replaced.

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