Dental syringe

Details Dental syringe Dental syringe

1981-04-06

1984-07-03

Wilson, John J.

Dentistry

Apparatus

Having intra-oral dispensing means

222391, 222569, 604211, A61C 504

Patent

active

044577125

ABSTRACT:
This disclosure is directed to a dental syringe having a barrel and a plunger reciprocally mounted within the barrel which is rendered displaceable so as to extrude a dental root canal through a relatively small bore hyperdermic type needle so as to place the material into the root canals of a tooth during a root canal procedure. In another form of the invention, the dental syringe is modified for use in extruding an impression forming material into the small areas around the gums so as to remove the air prior to the application of the bulk of the impression forming material to complete the impression.

REFERENCES:
patent: 742446 (1903-10-01), Kelly
patent: 2086462 (1937-07-01), Bost
patent: 2102591 (1937-12-01), Hagemeier
patent: 2142780 (1939-01-01), Fortney
patent: 2736315 (1956-02-01), Feeney
patent: 2884877 (1959-05-01), Nalbone et al.
patent: 3141583 (1964-07-01), Mapel et al.
patent: 3248950 (1966-05-01), Pursell et al.
patent: 3322307 (1967-05-01), Fraser
patent: 3816921 (1974-06-01), Malmin
patent: 4265618 (1981-05-01), Herskovitz et al.

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