Removable partial dentures(direct retiner) (1)
Direct retainer is any unit of a removable dental prosthesis that engages an abutment tooth to resist displacement of the prosthesis away from basal.
1 Part 2. TYPES OF CLASP ASSEMBLIES : Clasps Designed to Accommodate Functional Movement 1. RPI, RPA and Bar clasp 2. Combination clasp 2.
