Care was taken to keep the elements of the metal structure an
appropriate biological distance from the gingival margin.
The tooth-mucosa-supported RPD (n=9)was designedwith
an occlusal rest in the mesial surface of the posterior tooth, a
cingulum rest in the composite resin some distance from the
edentulous area, a T-bar clasp in the posterior and anterior
teeth adjacent to the free-end area, a lingual bar (8 mm between
free gingival margin and mouth floor) or lingual plate as
major connectors (mandible) and a double bar, U bar, or total