Parts of Cast Partial Dentures

Components of CPD

2. Maxillary and mandibular Kennedy’s Class II modification 1
partially edentulous arch

5. Cast
•Prepared by casting procedure.
•Wax pattern fabricated is replaced
by metal (e.g. Co-Cr) by casting.
Partial
•Used for partially edentulous
arches
Denture
•Replaces one or more missing
teeth to enhance function and
esthetics

6. Cast partial dentures for maxillary and mandibular Kennedy’s
Class II modification 1 partially edentulous arch

7. No metal framework Wrought wire / SS clasps
Made only of acrylic Only for temporary use
TPD

9. Cast partial denture framework for maxillary and mandibular
Kennedy’s Class II modification 1 partially edentulous arch

11. Major
Connector
Minor
Connector
Direct
Retainer
Indirect
Retainer
Rests
Denture
base
Artificial
Teeth

12. Major Connector
Direct Retainer
Indirect Retainer
Minor Connector
Rest (as a part of direct
retainer assembly)

13. Major Connector
Direct Retainer
Indirect Retainer
Denture Teeth
Rest
(as a part of direct
retainer assembly)
Acrylic Denture
Base
Minor Connector

14. Direct Retainer:
"Aclasporattachment placedonan
abutmenttoothforthepurposeofholding
aremovabledentureinposition."

15. Indirect Retainer:
“Apartofaremovable partialdenturewhich
assiststhedirectretainersinpreventing
displacement ofdistalextensiondenturebases
byfunctioning throughleveractiononthe
oppositesideofthefulcrumline"

16. Rest (as a part of direct retainer assembly):
"Arigidextensionofafixedorremovablepartial
denturewhichcontactsaremainingtoothorteeth
todissipateverticalorhorizontalforces."

17. Major Connector:
“Apartofaremovable partialdenture
whichconnectsthecomponents ononeside
ofthearchtothecomponents onthe
oppositesideofthearch"

18. Minor Connector:
"Theconnectinglinkbetweenthemajorconnector
orbaseofaremovablepartialdentureandother
unitsoftheprosthesis,suchasclasps,indirect
retainersandocclusalrests."

19. Denture teeth on acrylic denture base :
•Denturebaseisthepartofthedenturethat
formsthetissuesurfaceofthedentureoverthe
edentulous area.Itisusuallymadeofacrylic
resin.
•Ithelpstodistributetheforcesactingonthe
dentureovertheentireresidualridge.
•Thedenturebasealsofunctionstoholdthe
toothreplacementsinposition.