Handheld device for applying dental materials

Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool

Reexamination Certificate

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Details

C433S082000

Reexamination Certificate

active

07029278

ABSTRACT:
A dental handpiece for applying dental material to polish a tooth. The handpiece includes a conduit and a plunger for dispensing dental material adjacent a polishing member. The plunger and the polishing member can be controlled by a drive member, which may move in both a forward and reverse direction.

REFERENCES:
patent: 3389468 (1968-06-01), Lewis et al.
patent: 3775849 (1973-12-01), Condon
patent: 3826004 (1974-07-01), Graceffo
patent: 4220446 (1980-09-01), Walker
patent: 5642994 (1997-07-01), Chipian et al.
patent: 5779708 (1998-07-01), Wu
patent: 5927976 (1999-07-01), Wu
patent: 6083000 (2000-07-01), Charlton

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