Root canal dental handpiece

Details Root canal dental handpiece Root canal dental handpiece

1995-08-11

1997-06-17

Hirsch, Paul J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433114, A61C 110, A61C 112

Patent

active

056392362

ABSTRACT:
This invention is a new handpiece for performing semi-automatic root canal procedures. The handpiece is a lightweight, low rpm, cordless and rechargeable file motor. The file is spun in a counter clockwise direction while the entire handpiece is moved in a clockwise direction. The reduction in counter torques minimalize breakage of files and prepares the canal walls evenly and equally. Root canals can be performed more efficiently and effectively with this new device and method of using.

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patent: 4661060 (1987-04-01), Strohmaier
patent: 4681540 (1987-07-01), Landgraf et al.
patent: 4983121 (1991-01-01), Straihammer et al.
patent: 5267579 (1993-12-01), Bushberger

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