Formable composition and its use as filling material for dental

Details Formable composition and its use as filling material for dental Formable composition and its use as filling material for dental

1994-10-18

1996-05-28

Webman, Edward J.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

523115, 523116, 523117, 424617, 424696, 524403, 524406, 524413, 524434, 524539, 524610, A61K 6027, A61K 6083

Patent

active

055209220

ABSTRACT:
There are provided formable compositions which comprise:
(A) 25 to 80% by weight of a glass ionomer cement, containing (a) an aluminum fluorosilicate glass, (b) at least one polymeric polyacid with an average molecular weight >500, (c) water and (d) optionally a chelating agent;
(B) and 20 to 75% by weight of a fluoride and/or oxide and/or mixed fluoride and/or mixed oxide of heavy metal elements which are essentially insoluble at ambient temperatures in an aqueous solution containing the polymeric polyacid and/or an aqueous solution containing the chelating agent.
The compositions are especially well suited as filling materials for dental root canals.

REFERENCES:
patent: Re33100 (1989-10-01), Ibsen et al.
patent: 3814717 (1974-06-01), Wilson et al.
patent: 4016124 (1977-04-01), Crisp et al.
patent: 4137086 (1979-01-01), Potter et al.
patent: 4143018 (1979-03-01), Crisp et al.
patent: 4209434 (1980-06-01), Wilson et al.
patent: 4376835 (1983-03-01), Schmitt et al.
patent: 4569954 (1986-02-01), Wilson et al.
patent: 4647600 (1987-03-01), Kawahara et al.
patent: 4738722 (1988-04-01), Ibsen et al.
patent: 4861808 (1989-08-01), Billington et al.
patent: 4927866 (1990-05-01), Purrmann et al.
patent: 5051453 (1991-09-01), Okabayashi et al.
Wilson et al, (1988), Glass-Ionomer Cement, Quintessence Publishing Co., . pp. 21-50.
American Nat'l Standards/American Dental Assoc., (1983), Spec. No. 57 for Endodontic Filling Materials.

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