Dentistry – Prosthodontics – Preliminary casting – model – or trial denture
Patent
1998-01-27
2000-10-24
Lewis, Ralph A.
Dentistry
Prosthodontics
Preliminary casting, model, or trial denture
433173, A61C 1100
Patent
active
061357731
ABSTRACT:
A method and set of components is disclosed for positioning an implant analog within a dental impression taken from the patient, relative to the position of a dental implant or "converted" implant in the patient's mouth. The set of components include an implant orientation tool, an impression coping and an implant analog having an orientation reference. The method involves the steps of attaching an impression coping to the implant and making a dental impression. An interlocking member of the impression coping is accessible through an opening in the impression material. The implant analog is then attached to the impression coping. The implant analog is positioned by rotating it in the coping until the orientation reference on one end of the implant analog reaches an alignment position mirroring the alignment position of the implant itself. This is achieved by attaching the orientation tool to the interlocking member of the implant, noting the position of the orientation reference of the orientation tool, and rotating the implant analog in the impression material until the orientation reference of the implant analog mirrors the orientation of the orientation tool.
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Exhibit A, a drawing of a healing abutment.
Exhibit B, an assembly drawing of a coping and the component drawings which comprise the coping assembly.
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Lewis Ralph A.
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