发明名称 Orthodontic appliance with porous tooth-abutting face
摘要 Attachment of an orthodontic appliance by direct bonding to a tooth utilizing a composite base with a porous tooth-abutting face and various methods for making the device, such as casting as a unitary structure, or forming the composite base by rolling a mesh, in strip form, so as to form flats on at least one surface of the mesh where the mesh is to be in contact with a solid base portion, then bonding the mesh to the base. In the latter embodiment, the metal base is a metal foil to which the appliance is attached and the mesh and foil form a composite strip, from which individual composite pads are formed.
申请公布号 US4068379(A) 申请公布日期 1978.01.17
申请号 US19770802011 申请日期 1977.06.01
申请人 ORMCO CORPORATION 发明人 MILLER, FRANK R.;ANDREIKO, CRAIG A.;PREMO, KENNETH W.
分类号 A61C7/16;(IPC1-7):A61C7/00 主分类号 A61C7/16
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