

Mandibular arch: 4-mm away from free gingival tissue Maxillary arch: 6mm away from free gingival tissue Should not be located on movable tissue:.Should minimize rotation tendencies in function and support the prosthesis.


It provides cross-arch stability to help resist displacement by functional stresses. A component of the partial denture that connects the parts of the prosthesis located on one side of the arch with those on the opposite arch.
