removable partial denture components

Question 1

dental prosthesis that restores one or more but not all of the natural teeth and/or associated parts and is supported by the teeth/mucosa and can be removed from the mouth and replaced

Answer 1

RPD
removable partial denture

Question 2

what are the objectives of RPD

Answer 2

restore:
-anatomical defect
-function
-occlusal plane

-provide posterior occlusal support
-improve esthetics
-splint periodontally compromised teeth

Question 3

metal framework of RPD

Answer 3

major connector
minor connectors
rests
direct retainers
indirect retainers

Question 4

RPD denture base

Answer 4

replacement teeth
supporting base material

Question 5

the component of RPD that joins the units on one side of the dental arch with the units on the opposite side

Answer 5

major connector

Question 6

major connector maxillary:

Answer 6

-palatal strap
-anterio-posterior palatal strap
-complete palate
-u-shaped (horseshoe) connector

Question 7

major connector of mandibular:

Answer 7

lingual bar
lingual plate

Question 8

the connecting link between the major connector or base of a RPD and the other units of the prosthesis, such as direct and indirect retainers and rests

Answer 8

minor connector

Question 9

minor connector types

Answer 9

-guiding plane plates
-meshwork- to hold acrylic resin
-any unit connecting any type of rest to the major connector

Question 10

component of a RPD that serves to transfer forces occurring against the prosthesis down the long axis of the abutment teeth

Answer 10

rest

Question 11

prepared surface of a tooth or restoration to receive the rest, not part of framework

Answer 11

rest seat

Question 12

-rigid extension from the major connector or base
-contacts the proximal surface of an abutment tooth

Answer 12

proximal plate

Question 13

component of a RPD used to retain and prevent dislodgement

Answer 13

direct retainers

Question 14

two arms or other pieces, joined by a body which may connect a rest
-may act as a retainer or stabilizer

Answer 14

direct retainer- clasp assembly

Question 15

component of RPD that assists a direct retainer(s) in preventing displacement of a distal extension denture base by functioning through lever action on the opposite side of the fulcrum

Answer 15

indirect retainers

Question 16

this usually connects to a major connector and is some form of rest
ALWAYS necessary in class I or II situations

Answer 16

indirect retainers

Question 17

part of RPD that rests on the foundation tissues and to which teeth are attached
-polymer/plastic or metal

Answer 17

denture base

Question 18

part of RPD which rests on oral mucosa and to which the teeth are attached

Answer 18

acrylic resin attachment

Question 19

what is the function of the acrylic resin attachment

Answer 19

transmit stress to supporting structures

Question 20

part of framework to which the resin base is attached

two types

Answer 20

denture base retention

lattice retention
and
mesh retention

Question 21

denture teeth

Answer 21

plastic or porcelain or metal