Dental and medical instruments comprising titanium

Details Dental and medical instruments comprising titanium Dental and medical instruments comprising titanium

2005-06-07

2011-11-22

Manahan, Todd (Department: 3776)

Dentistry

Apparatus

Broach

Reexamination Certificate

active

08062033

ABSTRACT:
Endodontic instruments for use in performing root canal therapy on a tooth are disclosed. In one form, the instruments include an elongate shank having a cutting edge extending from a distal end of the shank along an axial length of the shank. The shank comprises a titanium alloy, and the shank is prepared by heat-treating the shank at a temperature above 25° C. in an atmosphere consisting essentially of a gas unreactive with the shank. In another form, the endodontic instruments have an elongate shank having a cutting edge extending from a distal end of the shank along an axial length of the shank. The shank consists essentially of a titanium alloy selected from alpha-titanium alloys, beta-titanium alloys, and alpha-beta-titanium alloys. The instruments solve the problems encountered when cleaning and enlarging a curved root canal.

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International Search Report corresponding to PCT/US2005/019947, under date of mailing of Nov. 10, 2005.

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