Pictures related to RPD
Occlusal rest
Retentive arm
Reciprocal arm
The retentive armThe retentive tip
Occlusal rest
Clasp shoulder
Minor connector
Retentive arm Reciprocal arm.
Acker’s clasp
Retentive armReciprocal arm
Occlusal rest
Clasp shoulder
Clasp No.2 Reverse action or hairpin clasp
Ring clasp
-2 occlusal rests-One continuous arm -Lingual strut
Strut Reciprocation Retention
2 occlusal rests
Pr. Dr. Laith
Buccally: retention lingually: reciprocation
Half and half clasp
Face to face multiple clasp
Embrasure, butterfly or back to back clasp
Lingual view
Buccal view
I bar clasp
T bar clasp
• U bar clasp:
L bar clasp
C bar clasp on molar and premolar
R-P-I system
Occlusal rest
I bar
Proximal plate
R-P-A system
Occlusal rest
Acker’s arm
Proximal plate
R-P-T system
Occlusal rest
Proximal plate
T bar
Auxiliary restIndirect retainer
• -Canine rest indirect retainer
Canine extension indirect retainer
Cingular and coronal bars indirect retainers
21
Wings of stability
Cummer’s arm
Indirect retainers
Types of minor connectors:
Proximal MC
Embrasure MC Gingival MC
Palatal MC
After Pr. Dr. laith Abdal Hadi
Major connectors (upper)
Single palatal bar full coverage horse shoe
Antero-posterior palatalStrap.
Modified full coverage palatal strap
After Pr. Dr Laith Abdal Hadi
SUBLINGUAL BAR
•Requires functional impression
26
Mandibular major connectors• Lingual bar
4mm
4mm2mm
0.5mm
Lingual plate lower major connector:
, 28
Labial bar: