Compositions: coating or plastic – Coating or plastic compositions – Dental
Patent
1986-08-21
1988-04-26
Barr, Josephine
Compositions: coating or plastic
Coating or plastic compositions
Dental
523115, 523116, 4332171, 4332281, C09K 300
Patent
active
047402458
ABSTRACT:
A thermoplastic dental filling composition is disclosed, comprising a polymer component containing trans-1,4-polyisoprene and an ethylene/vinyl acetate copolymer resin and an insoluble or sparingly soluble inorganic filler. The filling composition of the invention has similar softening operation properties to natural guttapercha and has a high tensile strength and, therefore, it can be suitably used as a root canal filling material. Further, a composition comprising the above-described dental filling composition having a wax-like component added thereto is used as a temporary filling material.
REFERENCES:
patent: 4600389 (1986-07-01), Schwantz
patent: 4672081 (1987-07-01), Fisher et al.
patent: 4698376 (1987-10-01), Asmussen et al.
Futami Shunichi
Terauchi Satoshi
Barr Josephine
G-C Dental Industrial Corp.
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