Dental device and method of use

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

Reexamination Certificate

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Details

C433S083000, C433S112000

Reexamination Certificate

active

07833014

ABSTRACT:
A prophy device incorporating a shaft and one or more corrugated members which eliminate the need for plastic gears of the prior art is disclosed. The corrugated members effectively transfer rotational energy from a shaft to an applicator. In another version, a flexible paste chamber contains polish within a housing of the device. A difference between a rotational speed at a front of the paste chamber and rear of the paste chamber causes the flexible chamber to contract on itself thereby automatically forcing polish from the chamber and into a polish applicator. A user dictates the amount of polish dispensed by controlling the rotational speed at the front of the paste chamber by pressing the polish applicator against the teeth of a patient. As the speed differential increases, the amount of polish dispensed increases as well.

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