Patent ID: 11918664
Assignee: DENTSPLY SIRONA INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 0:
1. An aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, wherein the glass ionomer composition comprises
(A) a reactive particulate glass,
(B) an hydrolysis-stable water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds, and
(C) a polymerization initiator system;
wherein component (B) does not contain an ester group which hydrolyzes in aqueous media at pH 3 at room temperature within one month, and wherein the dental glass ionomer composition, when cured, provides a permanent direct restoration having a flexural strength of at least 80 MPa.