Dental implant milling tool and methods of the use thereof

Dentistry – Prosthodontics – Holding or positioning denture in mouth

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433165, A61C 800

Patent

active

056454279

ABSTRACT:
Disclosed is a tool with cutting surfaces on the sides, end and tip that is inserted into a handpiece or milling machine. It is used according to a specific technique disclosed herein to mill precision surfaces in dental prostheses that are retained by screws to dental implants, abutments or replicas. The invention mills all types of dental implant prostheses that use a screw for retention. The milling tool of this invention allows the screw to pass through the screw access opening in the prosthesis and fit flush against the screw seat in the prosthesis, leaving space between the axial surfaces of the head of the screw and the screw access channel of the restoration. It also mills the small opening through the prosthesis through which the shank of the screw passes, so there is no contact between the prosthesis and the shank of the screw. It is important to not have contact between either the shank of the screw or the axial surface of the head of the screw with the prosthesis to avoid adverse tension of the screw. It maximizes optimal surface contact between the head of the screw and the prosthesis.

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