Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1983-11-23
1985-09-10
Peshock, Robert
Dentistry
Apparatus
Having intra-oral dispensing means
433125, A61C 302
Patent
active
045403651
ABSTRACT:
A hand-held dental cleansing system for delivery of an abrasive laden stream against a tooth which is to be cleaned. The system is adapted to be coupled to sources of pressurized liquid and gas, and includes handpiece having a canister containing the abrasive material. Through various valves on the handpiece controlling the liquid and gas streams, the abrasive material is transported from the canister to a mixing chamber within a nozzle on the handpiece. The liquid or gas streams may be combined with the abrasive laden stream within the mixing chamber so as to result in a homogenous stream delivered to a single point on the tooth being cleaned. The canister, mixing chamber and connecting conduit may be constructed as a single unit adapted for easy removal and replacement by a fresh unit.
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Nelson Edwin A.
Webb Ronald C.
Advanced Design Corporation
Peshock Robert
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