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an artificial dental metal appliance made to conform to the shape of a bone and placed on its surface beneath the periosteum. See: implant denture substructure.
A prosthesis for edentulous patients who cannot wear dentures (e.g., because of mandibular atrophy). The implant consists of a metal framework that rests on the residual ridge beneath the periosteum but does not penetrate the mandible.
See also: implant
sub·per·i·os·te·al im·plant(sŭb-perē-ostē-ăl implant)
Artificial dental metal appliance made to conform to shape of a bone and placed on its surface beneath periosteum.