Dental glass ionomer cement
AssigneeGC Corporation
InventorsAyaka Ishida, Koji Tanaka, Ayaka Fujimoto, Daizaburo Mori
Life of this patent
Estimating the term…
Abstract
One aspect of the present invention is: a dental glass ionomer cement including a first agent containing an ionomer glass powder; and a second agent containing a polycarboxylic acid polymer and water, wherein the first agent further contains a water-soluble compound represented by general formula (1): where R1 is a hydrogen atom or a methyl group, X1 is —O— or —NH—, and L1 is an alkylene group, and a water-soluble compound represented by general formula (2): where R2 is a hydrogen atom or a methyl group, X2 is —O— or —NH—, L2 is an alkyleneoxy group, R3 is an n-valent organic group, m is an integer of 1 or more and 42 or less, and n is an integer of 2 or more and 6 or less.
Claims2
A dental glass ionomer cement comprising:
- a first agent containing an ionomer glass powder and glycerin dimethacrylate;
- and
- a second agent containing a polycarboxylic acid polymer and water,
- wherein the first agent further contains a water-soluble compound represented by general formula (1):
- where R1 is a hydrogen atom or a methyl group, X1 is —O— or —NH—, and L1 is an alkylene group, and
- wherein the first agent further contains a water-soluble compound represented by general formula (2-1):
- where the sum of 1, m, and n is 15 or more and 45 or less, and/or
- a water-soluble compound represented by general formula (2-2):
- where the sum of m and n is 30 or more and 40 or less.
Dependencies are inferred from the claim text.