公开(公告)号：US20240173211A1

公开(公告)日：2024-05-30

申请号：US18222577

申请日：2023-07-17

Applicant: SHOFU INC.

Inventor： Jun UCHIDA ,  Shuji SAKAMOTO ,  Masahiro TSUKAMOTO

IPC: A61K6/20 ,  A61C5/20 ,  A61K6/62 ,  A61K6/889 ,  A61K6/891

CPC classification number: A61K6/20 ,  A61C5/20 ,  A61K6/62 ,  A61K6/889 ,  A61K6/891

Abstract: [Problem]
To provide a dental resin-reinforced glass ionomer cement kit which can exhibit high adhesive property to tooth substance by a simple procedure without complicated operations and contains a dental tooth surface treatment material composition and a dental resin-reinforced glass ionomer cement composition.
[Solution]
To provide a dental resin-reinforced glass ionomer cement kit comprising a dental tooth surface treatment material composition (i) and a dental resin-reinforced glass ionomer cement composition (ii), wherein



the dental tooth surface treatment material composition (i) contains

(A) water-soluble organic solvent: 20% by mass or more and 79% by mass or less.
(B) water: 20% by mass or more and 79% by mass or less, and
(C) polymerizable monomer having acid anhydride structure: 1% by mass or more and 30% by mass or less, and


the dental resin-reinforced glass ionomer cement composition (ii) contains

(D) acid-reactive glass powder,
(B) water,
(E′) polymer of acidic group-containing polymerizable monomer,
(F) tri or more functional (meth)acrylamide-based polymerizable monomer,
(G) hydroxyl group-containing (meth)acrylate-based polymerizable monomer, and
(H) polymerization initiator.

公开(公告)号：US20210007938A1

公开(公告)日：2021-01-14

申请号：US16829259

申请日：2020-03-25

Applicant: SHOFU INC.

Inventor： Yusei KADOBAYASHI ,  Hiroshi YAANA ,  Jun UCHIDA ,  Yuji SADAKANE

IPC: A61K6/887 ,  A61K6/62 ,  A61K6/30 ,  A61K6/40 ,  A61K6/77

Abstract: An object of the present disclosure is to provide a dental composition that can exhibit sufficient curability even in a state where moisture is excessive as in the oral environment. The dental composition of the present disclosure contains component (a): monomer containing (meth)acrylamide group represented by formula (1): (In formula, R represents a hydrogen atom or a methyl group and Rs may be the same or different from each other. R2 is an alkyl group having 2 to 6 carbon atoms and R2s may be the same or different from each other.)

公开(公告)号：US20210000699A1

公开(公告)日：2021-01-07

申请号：US16829236

申请日：2020-03-25

Applicant: SHOFU INC.

Inventor： Jun UCHIDA ,  Katsuya KIMOTO

IPC: A61K6/889 ,  A61K6/836 ,  A61K6/62

Abstract: An object of the present invention is to provide a dental resin-reinforced glass ionomer cement composition which exhibit high surface curability even under wet conditions, which makes it difficult for the surface to become cloudy even if moisture comes in contact with at the initial stage of curing, exhibits high mechanical properties, low water absorption expansion and excellent coloring resistance in the set product and is also excellent in storage stability. The dental resin-reinforced glass ionomer cement composition consisting of a powder material and a liquid material, wherein the powder material contains (a) acid-reactive glass powder, the liquid material contains (b) water, (c) polymer of acidic group-containing polymerizable monomer, (d) hydroxyl group-containing (meth)acrylate-based polymerizable monomer and (e) tri or more functional (meth)acrylamide-based polymerizable monomer, and at least one of the powder material and the liquid material contains (f) polymerization initiator.

公开(公告)号：US20210000698A1

公开(公告)日：2021-01-07

申请号：US16829226

申请日：2020-03-25

Applicant: SHOFU INC.

Inventor： Jun UCHIDA ,  Tomohiro KUMAGAI ,  Ken HIRATSUKA

IPC: A61K6/889 ,  C08F120/56 ,  A61K6/833 ,  A61K6/20

Abstract: An object of the present invention is to provide a two-paste type dental resin-reinforced glass ionomer cement composition which exhibit high surface curability even under wet conditions, which makes difficult for the surface to become cloudy even if moisture comes in contact with at the initial stage of curing, exhibits high mechanical properties, low water absorption expansion and excellent coloring resistance in the set product and is also excellent in storage stability. The two-paste type dental resin-reinforced glass ionomer cement composition of the present invention consists of two pastes, wherein at least one of the two pastes contains (a) acid-reactive glass powder, (b) polymer of acidic group-containing polymerizable monomer, (c) water, (d) hydroxyl group-containing (meth)acrylate-based polymerizable monomer, (e) tri or more functional (meth)acrylamide-based polymerizable monomer, and (f) polymerization initiator, wherein the paste containing the (c) water does not contain at least one of the (a) acid-reactive glass powder and the (b) polymer of acidic group-containing polymerizable monomer.

公开(公告)号：US20210214573A1

公开(公告)日：2021-07-15

申请号：US17032246

申请日：2020-09-25

Applicant: SHOFU INC.

Inventor： Shuji SAKAMOTO ,  Jun UCHIDA

IPC: C09D133/08

Abstract: To provide a photopolymerizable type dental surface coating material composition which may finish the applied part lubriciously in a short time by exhibiting excellent surface curability regardless of the type of light irradiator, may protect the restoration from abrasion and stain for a long time by exhibiting excellent adhesive property to various restorations including the dental glass ionomer cement for filling and the tooth substance, and may have excellent storage stability that can maintain properties and characteristics for a long time. The photopolymerizable type dental surface coating composition of the present disclosure comprises (a) polyfunctional polymerizable monomer, (b) volatile monofunctional polymerizable monomer, (c) acidic group-containing polymerizable monomer, (d) α-diketone compound, (e-1) aromatic tertiary amine as (e) amine compound, and (e-2) aliphatic tertiary amine as (e) amine compound, wherein the compounding ratio of the (e-1) and the (e-2) is within a range of 1.0:99.0 to 70.0:30.0 in terms of mass ratio.