5 Questions
What is the fulcrum line created through the most distally placed occlusal rests adjacent to the edentulous extension area called?
Rotation axis
Which impression material belongs to the nonelastic category?
Impression compound
Which component of RPD assists the direct retainer in preventing displacement of the distal extension denture base?
Indirect retainer
Which type of bur is used for cavity preparation and dentin removal?
Steel burs
1
Preservation of tooth structure
Study Notes
Removable Partial Dentures (RPD)
- The fulcrum line is created through the most distally placed occlusal rests adjacent to the edentulous extension area.
Impression Materials
- Nonelastic impression material category includes zinc oxide eugenol.
RPD Components
- The indirect retainer assists the direct retainer in preventing displacement of the distal extension denture base.
Dental Burs
- A non-percussion or slow speed bur, such as a steel or diamond bur, is used for cavity preparation and dentin removal.
Test your knowledge of the components of removable partial dentures (RPD) including major connectors, clasps, denture bases, rests, and more. Also explore the concepts of rotation axis and indirect retainers in RPD.
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