| http://www.w3.org/ns/prov#value | - In the illustration FIG. 1, there are four jawbone implants assembed and secured within the mandibular jawbone 13 for illustration, and wherein the respective heads 43 are interconnected by a transverse bar 45 wherein said heads and bar are adapted to be retainingly nested within corresponding apertures in the undersurface of a prosthetic device such as a bridge, anchoring the bridge upon the mand
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