Patent ID: 7997900
Filing Date: 2011-08-16
Classification: A61C

Abstract:
1. A partial denture having an artificial tooth, a denture base holding said artificial tooth, and a clasp fixed to said denture base, wherein said clasp has a unitary construction and contains no rest and includes a back-side arm and a front-side arm, said front-side arm being shorter in length than said back-side arm, the back-side arm extending in a rearward bulging convex on a back side of a dentition-extended range of said denture base, the front-side arm extending in a forward bulging convex toward a front side of the dentition-extended range of said denture base, wherein said back-side arm and said front-side arm are branched from a fixed portion, with the entirety of said back-side arm and said front-side arm being in substantially the same plane as the entirety of said fixed portion and having a flat, substantially C-configuration, said back-side arm, said front-side arm and said fixed portion being formed by metal casting into said unitary construction said fixed portion being embedded in said denture base without cushioning materials intervening therebetween so that the clasp does not move relative to said denture base, and said back-side arm and said front-side arm extend within a height range (S