Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1988-11-02
1990-01-16
Peshock, Robert
Dentistry
Apparatus
Having intra-oral dispensing means
A61C 502
Patent
active
048940119
ABSTRACT:
An improved appliance for use in applying filler material, such as gutta-percha or the like, to an endodontically prepared root canal of a tooth in the form of an elongated shaft of material having high biological tolerance, the shaft having a handle portion at the proximal end portion, the shaft distal end portion having a surface configuration adaptable to retain filler material formed thereon and being positionable in a root canal, the shaft distal and proximal portion being severable from each other whereby the distal portion and filler material therein remain in the root canal. In the preferred arrangement the shaft distal portion surface is defined by a spiral groove.
REFERENCES:
patent: 1969808 (1934-06-01), Lentulo
patent: 3861043 (1975-01-01), Lieb et al.
patent: 4353698 (1982-10-01), McSpadden
patent: 4397634 (1982-10-01), Biggs
patent: 4457710 (1984-07-01), McSpadden
patent: 4758156 (1988-07-01), Johnson
Journal of Endodontics, "A New Gutta-Percha Technique", vol. 4, No. 6, Jun. 1978, pp. 184-188.
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