04820152 is referenced by 168 patents and cites 27 patents.

A single handpiece that can be used in multiple dental treatments is provided. The handpiece comprises a housing having a coil for producing an electromagnetic or electrostrictive field in the housing, and a number of inserts that react with the electromagnetic or electrostrictive field and can be used with the housing to complete the handpiece. A switching system used with the handpiece, which electrically recognizes the particular insert used with the housing provide for automatically controlling circuitry that determines which of a number of materials and medicaments are to be delivered to the handpiece for use with a particular insert. Circuitry which provides better control of the ultrasonic insert in the handpiece is also provided.

Title
Single multi-function handpiece for dental instruments
Application Number
7/40649
Publication Number
4820152
Application Date
April 21, 1987
Publication Date
April 11, 1989
Inventor
Robert McGill
Carona
NY, US
Teodor E Constantinescu
Astoria
NY, US
Richard H Paschke
Medford
NY, US
Rene J Perdreaux
Brooklyn
NY, US
George E Warrin
North Merrick
NY, US
Agent
Edward J Hanson Jr
David E Wheeler
Assignee
Dentsply Research & Development
DE, US
IPC
A61C 1/07
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