PARTS
1. MAJOR CONNECTOR
2. DIRECT RETAINER
3. MINOR CONNECTOR
4. INDIRECT RETAINER (if the prosthesis has distal extension)
5. BASE

MAJOR CONNECTORS
 Definition:- It is a part of CPD (cast partial denture) that connects the component from one side of the arch to the other side.
 Major connecter A rigid part of the partial denture casting that unites the rests and another part of the prosthesis to the opposite side of the arch.
 FUNCTION
1. Unification of all other components
2. Stress distribution
3. Cross arch stabilization
 Property of— rigidity, which is why it is always placed on a rigid surface
 Maxillary
o anterior extension — 6 mm* from palate gingival margin
o Posterior border — anterior vibrating line
 Mandibular anterior border — 3 mm* from lingual gingiva