Dentistry – Prosthodontics – Holding or positioning denture in mouth
Reexamination Certificate
2008-07-01
2008-07-01
Wilson, John J (Department: 3732)
Dentistry
Prosthodontics
Holding or positioning denture in mouth
Reexamination Certificate
active
07393210
ABSTRACT:
The present invention relates to a dental implant device. A fixture is provided with an abutment coupler at the upper portion of a commercialized fixture type. The abutment coupler has a female screw formed inside, and is formed at the lower portion with an implant screw. An abutment is formed at the lower portion with a first coupler and at the upper portion with a second coupler. The first coupler is coupled to the abutment coupler, and provided with a first sleeve resting groove on the outer circumferential surface of the second coupler. A solid screw is formed at the lower portion with a coupling screw and at the upper portion with a head. The head has a second sleeve resting groove formed on the outer circumferential surface thereof, in which sleeves formed inside an artificial tooth crown are press-fittingly coupled to the first and the second sleeve resting grooves.
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Bachman & LaPointe P.C.
Wilson John J
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