Endodontic Instrument

Inactive Publication Date: 2007-05-10
DISCUS DENTAL LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0061] In one embodiment, the instrument may have a handle at its distal end for manual manipulation. In another embodiment, instrument may have a handle at its distal end that is adapted for attachment to a mechanical handpiece, including a rotary handpiece. At least a portion of the end attaching to the handle portion is treated. The treatment may im

Problems solved by technology

Many endodontic instruments used for th

Method used

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Embodiment Construction

[0078] The detailed description set forth below in connection with the appended drawings is intended as a description of the presently exemplified embodiments of dental instruments or tools in accordance with the present invention, and is not intended to represent the only forms in which the present invention may be constructed or utilized. The description sets forth the features and the process for constructing and using the dental tools or instruments of the present invention in connection with the illustrated embodiments. It is to be understood, however, that the same or equivalent functions and structures may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention.

[0079] An endodontic instrument in accordance with the present invention may be used in a root canal procedure. Some exemplary configurations may be found in U.S. Pat. No. 4,850,867, the content of which is incorporated herein by reference.

[0080] ...

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Abstract

A method of manufacturing endodontic instruments is disclosed. Each of the instruments includes a substantially non-cutting pilot portion, a relatively short working portion, and a flexible shank portion which is of a substantially smaller average circumferential span than the working portion. The working portion of one instrument may have a maximum circumferential span as that of the blank from which it is made. The instrument may be treated with either a surface treatment and/or a bulk treatment. The instrument may have a handle at its distal end for manual manipulation, or may be adapted for attachment to a mechanical handpiece. The non-cutting pilot, the short length of the working portion, and the flexibility of the shank combine to allow the instrument to be used in curved root canals without causing undue change in the natural root canal contours.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims the benefit of U.S. Provisional Patent Application 60 / 732,367 entitled “Endodontic Instrument” filed Nov. 1, 2005; U.S. Provisional Patent No. 60 / 732,047 entitled “Endodontic Instrument” filed Nov. 1, 2005; U.S. Provisional Patent Application No. 60 / 732,631 entitled “Endodontic Instrument” filed Nov. 1, 2005; and U.S. Provisional Patent Application No. 60 / 732,039 entitled “Treated Endodontic Instrument” filed Nov. 1, 2005 the entire contents of which are incorporated by reference.FIELD OF THE INVENTION [0002] This invention relates to endodontic instruments for use in root canal dental procedures in general. More specifically, this invention relates to a method for manufacturing endodontic instruments. BACKGROUND OF THE INVENTION [0003] Both circulatory and neural support for a tooth enters the tooth at the terminus of each root. During a root canal operation, any diseased pulp tissue in the root canal is extract...

Claims

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Application Information

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IPC IPC(8): B24B1/00B21K5/04
CPCA61C3/02Y10T29/49567A61C5/023A61C5/42
Inventor QUAN, NANCY N.WU, BEN
Owner DISCUS DENTAL LLC
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