1977-04-18
1978-07-25
Mancene, Louis G.
G09B 2328
Patent
active
041020472
ABSTRACT:
A teaching device to acquaint dental students and also patients with endodontic root canal techniques performed by dentists and utilizing an electronic oscillator having a scale reading in electric current measurement and a pair of electrical circuit conductors being connected at one end to the terminals of the oscillator and the opposite ends thereof respectively being connectable to one or more small diameter metal wires which simulate dental reamers and files which are movable in root canal-simulating passages of uniform diameter complementary to that of said wires and formed in a transparent model of a human tooth including a root and cusp thereon and mounted in a transparent enclosure in which the root portion of the tooth extends with the cusp of the model extending above the upper end of the enclosure.
REFERENCES:
patent: 2256667 (1941-09-01), Doret
patent: 2674802 (1954-04-01), Williams
patent: 3753434 (1973-08-01), Pike et al.
patent: 3947967 (1976-04-01), Satake
patent: 3950852 (1976-04-01), Henning
Dentsply Research & Development Corp.
Just C. Hercus
Mancene Louis G.
Wilson John J.
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