Compounded thermoplasticized isoprene polymer resin for filling

Details Compounded thermoplasticized isoprene polymer resin for filling Compounded thermoplasticized isoprene polymer resin for filling

1982-11-30

1984-11-20

Hayes, Lorenzo B.

Dentistry

Method or material for testing, treating, restoring, or...

By filling, bonding or cementing

106 35, 106230, 106241, 523116, 524 62, 524 77, A61K 608

Patent

active

044836791

ABSTRACT:
The invention is directed to a compounded thermoplasticized gutta percha or balata and isoprene polymer resin, for filling a dental root canal in an efficient and convenient manner, and a method for preparing the same.
The compounded resin includes gutta percha or balata and isoprene polymer and compounding materials including paraffin wax, adapted to compound the gutta percha or balata and isoprene polymer such that they plasticize at a relatively low temperature in the range of 40.degree. C. to 60.degree. C. The use of gutta percha or balata and isoprene polymer, and the relatively low plasticizing temperature, enable the compounded resin to be injected into a prepared dental root canal for filling thereof in an efficient and convenient manner.
The method for preparing the compounded resin includes combining, heating and mixing gutta percha or balata and isoprene polymer and the compounding materials to a relatively low temperature in the range of 40.degree. C. to 60.degree. C., at which temperature the compounded materials plasticize, to form the compounded resin.

REFERENCES:
patent: 2077396 (1937-04-01), Charch et al.
Journal of Endodontics, vol. 3, No. 5, May 1977, pp. 168-174, Yee et al.
Japanese patent application Ser. No. 51-111602, filed Sep. 17, 1976, by Toyo Chemical Laboratories, Inc. (English Translation of Title and Claim 1 provided as well).

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