Patent ID: 6319000
Filing Date: 2001-11-20
Classification: A61C

Abstract:
A dental prosthesis system comprising:a superstructure provided with a first fastening device;a drilling jig; anda plurality of fixtures that can be implanted in a person's jawbone, each fixture including:an anchorage end arranged for anchoring in a jawbone; anda fastening end arranged for fastening said superstructure at each fixture;wherein at least one part of each fixture is substantially rotation-symmetrical and defines the center axis of said fixture;wherein said drilling jig comprises a fixed plate arranged to impart to said fixtures pre-determined mutual positions and impart to the center axes of said fixture pre-determined directions relative to each other, the drilling jig being provided with at least one guiding hole having a fixed position in the drilling jig and being arranged for guiding a drilling bit to make an anchorage hold in a person's jawbone; andwherein said superstructure includes prefabricated elements that incorporate said first fastening device and is adapted for attachment to said fixtures at said pre-determined mutual positions and in said mutual center axis directions; andwherein the system also contains a reference element attachable to a person's jawbone, said reference element being arranged to co-operate with said drilling jig by engagement therewith to position said drilling jig in a pre-determined position.