发明名称 Anterior tooth prosthesis
摘要 An anterior tooth prosthesis has a one-piece metal framework with laterally extending wings, a central saddle with a concave surface and a peg integral with the surface, and a plastic pontic having a peg-receiving mortise in which the peg is seated and secured.
申请公布号 US4310312(A) 申请公布日期 1982.01.12
申请号 US19800158244 申请日期 1980.06.10
申请人 KELLER, RONALD P.;KELLER, WILLIAM G. 发明人 KELLER, RONALD P.;KELLER, WILLIAM G.
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