What are the parts of a partial denture?
The four basic components involved in an RPD are the artificial teeth, the denture base, retainers, and connectors (Figure 3.17).
What are rest preps?
A REST PREPARATION or REST SEAT is any portion of a tooth or restoration properly prepared to receive a rest.
How do you prepare an occlusal rest?
59 second clip suggested2:4706 Occlusal Rest Seats – YouTubeYouTubeStart of suggested clipEnd of suggested clipAs you’ve established the initial depth of your preparation. Begin to widen the area at the proximalMoreAs you’ve established the initial depth of your preparation. Begin to widen the area at the proximal surface. To create the wider base of the triangular rest seat.
What are the types of denture bases used in RPD?
There are two types of RPD denture bases: (1) metal, and (2) plastic. The metal denture base (Fig. 6-1) has metal in contact with the edentulous ridge. Prosthetic teeth are attached to the metal base with a plastic base or by cementation to a retentive post.
What is denture clasp?
(klasp), 1. A part of a removable partial denture that acts as a direct retainer or stabilizer for the denture by partially surrounding or contacting an abutment tooth.
What is an occlusal rest?
Quick Reference. A rigid, usually metal, extension of a removable partial denture which rests on the occlusal surface of a posterior tooth for the support of a prosthesis.
What is RPA clasp?
T he RPA clasp (rest, proximal plate, Akers clasp)? was developed at the University of the Pacific School of Dentistry to overcome some of the problems encoun- tered with the RPI clasp (rest, proximal plate, I-bar clasp).
When do we use RPI?
The RPI system (rest, plate, I-bar clasp) should be used on premolar abutment teeth for mandibular distal extension saddles if the tooth and buccal sulcus anatomy is favourable.
What is tooth preparation?
Tooth preparation, which is a basic aspect of the treatment of hard-tissue dental diseases, is the process used for the quantitative preparation and formation of hard tissues on a patient’s diseased teeth. At present, tooth preparation is generally performed with a high-speed dental handpiece.
What are the surfaces of the denture?
A denture has 3 surfaces:
- Occlusal surface- the biting surface of the artificial teeth on the denture.
- Fitting surface- the unpolished surface that contacts the mucosa of the denture bearing area.
- Polished surface- the part of the denture which is not the biting surfaces of the teeth and which does not sit on the mucosa.
What is pier abutment?
Pier abutment, also named inter- mediate abutment, is defined by the Glossary. of Prosthodontic Terms as a natural tooth. located between terminal abutments that. serve to support a fixed or removable dental.