Instrument for stain removal and polishing of natural teeth

Details Instrument for stain removal and polishing of natural teeth Instrument for stain removal and polishing of natural teeth

1987-12-03

1990-08-21

Mancene, Gene

Dentistry

Apparatus

Having intra-oral dispensing means

433 87, A61C 302

Patent

active

049501607

ABSTRACT:
A dental tool for polishing teeth with an abrasive-laden air stream, surrounded by a water curtain, includes a pistol-grip handle and a nozzle connected to a manifold at an obtuse angle to one another. A canister, located atop the manifold and having a detachable lid, houses abrasive powder and is connected between the air input and output lines of the manifold. A thumb-actuated plunger regulates the amount of air entering the canister, and thus controls the volume of the abrasive-laden air stream exiting the nozzle. The nozzle includes a pinched orifice for the abrasive-laden air stream so that it fans out across the surface of the tooth to be cleaned.

REFERENCES:
patent: 1699532 (1929-01-01), Hopkins
patent: 3972123 (1976-08-01), Black
patent: 4174571 (1979-11-01), Gallant
patent: 4248589 (1981-02-01), Lewis
patent: 4494932 (1985-01-01), Rzewinski
patent: 4540365 (1985-09-01), Nelson et al.
patent: 4648840 (1987-03-01), Conger, Sr.

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