Root canal treatment material and root canal treatment kit

Patent metadata

Field	Value
Publication number	US-10736822-B2
Application number	US-201816018266-A
Country	US
Kind code	B2
Filing date	Jun 26, 2018
Priority date	Feb 1, 2016
Publication date	Aug 11, 2020
Grant date	Aug 11, 2020

Abstract

The present invention provides a root canal treatment material having excellent curability in a moist environment and a root canal treatment kit containing the root canal treatment material. The root canal treatment material of the present invention includes: at least one compound (A) selected from the group consisting of a compound represented by Formula (1), a compound represented by Formula (2), and a compound represented by Formula (3); an acidic group-containing monomer (B); and a polymerization initiator (C).

First claim

What is claimed is:

1. A root canal treatment material comprising:
at least one compound (A) selected from the group consisting of a compound represented by Formula (1), a compound represented by Formula (2), and a compound represented by Formula (3);
an acidic group-containing monomer (B);
a polymerization initiator (C); and
a filler (D),
wherein the filler (D) is at least one selected from the group consisting of silica, zirconia, calcium silicate, and calcium hydroxide,

wherein in Formula (1), R 1 's each independently represent a hydrogen atom or a methyl group, R 2 's each independently represent a linear or branched alkylene group having 2 to 4 carbon atoms, provided that R 2 does not have a structure in which an oxygen atom and a nitrogen atom bonded to both ends of R 2 are bonded to the same carbon atom of R 2 , k's each independently represent 2 or 3, x, y, and z each independently represent an integer of 0 to 6,
in Formula (2), R 3 's each independently represent a hydrogen atom or a methyl group, R 4 and R 5 each independently represent an ethylene group or a 1,3-propylene group, and w represents an integer of 0 to 2, and
in Formula (3), R 6 's each independently represent a hydrogen atom or a methyl group, R 7 's each independently represent an ethylene group, 1,2-propylene group, or a 1,3-propylene group, and p represents an integer of 2 to 6.

2. The root canal treatment material according to claim 1 ,
wherein the compound (A) is at least one selected from the group consisting of a compound represented by Formula (1-1), a compound represented by Formula (2-1), a compound represented by Formula (2-2), and a compound represented by Formula (3-1):

3. The root canal treatment material according to claim 1 ,
wherein the acidic group-containing monomer (B) contains a compound (B1) having at least one polymerizable group and acidic group in a molecule.

4. The root canal treatment material according to claim 3 ,
wherein the polymerizable group is a (meth)acryloyl group, and the acidic group is at least one selected from the group consisting of a carboxyl group and a phosphoric acid group.

5. A root canal treatment kit comprising:
the root canal treatment material according to claim 1 .

6. The root canal treatment material according to claim 2 ,
wherein the acidic group-containing monomer (B) contains a compound (B1) having at least one polymerizable group and acidic group in a molecule.

7. The root canal treatment material according to claim 6 ,
wherein the polymerizable group is a (meth)acryloyl group, and the acidic group is at least one selected from the group consisting of a carboxyl group and a phosphoric acid group.

8. A root canal treatment kit comprising:
the root canal treatment material according to claim 2 .

9. A root canal treatment kit comprising:
the root canal treatment material according to claim 3 .

10. A root canal treatment kit comprising:
the root canal treatment material according to claim 4 .

Assignees

• Fujifilm Corp

Inventors

• AMAO Akihito
• Yoshihara Kumiko
• Nagaoka Noriyuki

Classifications

• C08K3/22

  of metals · CPC title

• C08F222/385 Primary

  Monomers containing two or more (meth)acrylamide groups, e.g. N,N'-methylenebisacrylamide · CPC title

• C08K3/34

  Silicon-containing compounds · CPC title

• A61K6/54

  Filling; Sealing · CPC title

• C09J4/00

  Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16} · CPC title