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1. 发明公开

KR20200133344A 치과 절삭 가공용 레진계 블록 审中-公开
公开(公告)号：KR20200133344A
公开(公告)日：2020-11-27
申请号：KR20207027207
申请日：2019-03-28
申请人： TOKUYAMA DENTAL CORP
发明人： MATSUO TAKUMA , AKIZUMI HIRONOBU
IPC分类号： A61C13/00 , A61C5/70 , A61C13/08 , A61C13/087 , A61K6/831 , A61K6/84 , A61K6/887 , A61K6/891
摘要： 본발명은수지매트릭스(A) 및평균입자경이 230nm~1000nm의범위내에있는구형필러(B)를함유하는치과절삭가공용레진계블록으로서, 두께 10mm에서의색차계를이용하여측정한검은배경하및 흰배경하에서의착색광의먼셀표색계에의한측색치의명도(V)가 5.0 미만, 채도(C)가 2.0 미만이며, 또한두께 1mm에서의색차계를이용하여측정한검은배경하에서의착색광의먼셀표색계에의한측색치의명도(V)가 5.0 미만이고채도(C)가 0.05 이상이며, 또한흰 배경하에서의착색광의먼셀표색계에의한측색치의명도(V)가 6.0 이상이고채도(C)가 2.0 미만인것을특징으로하는치과절삭가공용레진계블록이다. 본발명에의하면안료나염료를이용하지않고블록으로제작되는치과용보철물의외관이천연치아의색조와적합한수복이가능하며, 또한블록으로제작되는치과용보철물의천연치아와의색조의조화가계속되는치과절삭가공용레진계블록을제공할수 있다.

2. 发明专利

CA3059479A1 CURABLE COMPOSITION 未知
公开(公告)号：CA3059479A1
公开(公告)日：2018-10-25
申请号：CA3059479
申请日：2018-04-16
申请人： TOKUYAMA DENTAL CORP
发明人： MATSUO TAKUMA , AKIZUMI HIRONOBU
IPC分类号： C08F2/44 , A61K6/027 , A61K6/06 , A61K6/083
摘要： Provided is a curable composition which comprises a polymerizable monomer (A), spherical particles (B) having an average primary-particle diameter in the range of 230-1,000 nm, and a polymerization initiator (C), wherein at least 90% of the individual particles constituting the spherical particles (B) lie in the range of ±5% based on the average primary-particle diameter and the polymerizable monomer (A) and the spherical particles (B) satisfy requirement (X1) shown by the relationship nP

3. 发明专利

AU2019242168A1 Dental cut processing resin-based block 未知
公开(公告)号：AU2019242168A1
公开(公告)日：2020-10-29
申请号：AU2019242168
申请日：2019-03-28
申请人： TOKUYAMA DENTAL CORP
发明人： MATSUO TAKUMA , AKIZUMI HIRONOBU
IPC分类号： A61C5/70 , A61C13/087 , A61K6/891
摘要： The present invention is a dental cut processing resin-based block that contains a resin matrix (A) and a spherical filler (B) having an average particle size in the range of 230-1000 nm. The dental cut processing resin-based block is characterized in that: at a thickness of 10 mm, the brightness (V) of a measurement color value, which is measured by using a color difference meter and which is of colored light according to the Munsell color system under a black background and under a white background, is less than 5.0 and a chroma (C) of the measurement color value is less than 2.0; and, at a thickness of 1 mm, the brightness (V) of a measurement color value, which is measured by using a color difference meter and which is of colored light according to the Munsell color system under a black background, is less than 5.0 and a chroma (C) of the measurement color value is at least 0.05, and the brightness (V) of a measurement color value, which is measured by using a color difference meter and which is of colored light according to the Munsell color system under a white background, is at least 6.0 and a chroma (C) of the measurement color value is less than 2.0. The present invention allows repair of a dental prosthesis produced from a block without using a pigment or a dye such that the external appearance thereof matches with the color tone of natural teeth, and makes it possible to provide a dental cut processing resin-based block that realizes continued harmony of the dental prosthesis produced from a block with the color tone of natural teeth.

4. 发明专利

CA3045888A1 CURABLE COMPOSITION 未知
公开(公告)号：CA3045888A1
公开(公告)日：2018-06-07
申请号：CA3045888
申请日：2017-11-28
申请人： TOKUYAMA DENTAL CORP
发明人： AKIZUMI HIRONOBU , MATSUO TAKUMA
IPC分类号： A61K6/884
摘要： Provided is a curable composition containing a polymerizable monomer (A), an organic-inorganic composite filler (B), and a polymerization initiator (C), wherein the organic-inorganic composite filler (B) includes an organic resin matrix (b1) and a spherical inorganic filler (b2) having an average primary particle size of 230-1000 nm, 90% or more of the number of individual particles constituting the spherical inorganic filler (b2) are present in a range of 5% greater or less than the average primary particle size, and the curable composition satisfies the following formulas (1) and (2): nP

5. 发明专利

AU2016346439A1 Curable composition, curable composition for dental use, and organic-inorganic composite particles for dental use 未知
公开(公告)号：AU2016346439A1
公开(公告)日：2018-03-29
申请号：AU2016346439
申请日：2016-10-27
申请人： TOKUYAMA DENTAL CORP
发明人： YAMAGAWA JUNICHIRO , YAMAZAKI TATSUYA , MATSUO TAKUMA , SUZUKI TAKUYA
IPC分类号： A61K6/884
摘要： The purpose of the present invention is to obtain a cured product having high fracture energy. Provided is a curable composition comprising organic-inorganic composite particles (A), a polymerizable monomer (B), a polymerization initiator (C), and inorganic particles (D). A cured body formed by curing the curable composition comprises: a matrix formed by curing all the components other than the organic-inorganic composite particles (A) among the components constituting the curable composition; and the organic-inorganic composite particles (A) dispersed within the cured body. The modulus of elasticity M of the matrix is at least 3.0 GPa greater than the modulus of elasticity P of the organic-inorganic composite particles (A). Also provided are a dental restorative material using the curable composition and organic-inorganic composite particles for dental use that are used in the dental restorative material.

6. 发明专利

JP2020090574A 重合硬化性組成物の製造方法审中-公开
公开(公告)号：JP2020090574A
公开(公告)日：2020-06-11
申请号：JP2018227112
申请日：2018-12-04
申请人： TOKUYAMA DENTAL CORP
发明人： MATSUO TAKUMA , MORISAKI HITOSHI , AKITSUMI HIRONOBU
IPC分类号： C08F2/44 , A61C13/08 , C08F2/50
摘要：【課題】樹脂マトリックス中に無機粒子が分散してなり、光の入射角の変化に左右されない一定の色調の構造色を発色することができる複合材料となる硬化体を確実に与えることができるような無機粒子分散性を持った重合硬化性組成物を製造する方法を提供する。【解決手段】マトリックス樹脂となる重合性単量体と、特定の平均一次粒子径を有し、粒度分布幅が極めて狭く、且つ前記重合性単量体の硬化体よりも大きな屈折率を有する無機球状粒子とを混合して重合硬化性組成物を製造するに際し、たとえば混合工程中で適宜サンプリングを行ってその硬化体の動径分布関数を評価し、最終的に、最近接粒子間距離が無機球状粒子の平均粒子径の1倍以上2倍以下となり、且つ、最近接粒子間距離と次近接粒子間距離との間における極小値が0.56以上1.10以下となるように混合する。【選択図】図1

7. 发明专利

AU2020414589A1 Dental filling and repairing material kit 未知
公开(公告)号：AU2020414589A1
公开(公告)日：2022-06-30
申请号：AU2020414589
申请日：2020-11-27
申请人： TOKUYAMA DENTAL CORP
发明人： AKIZUMI HIRONOBU , MORISAKI HIROSHI , MATSUO TAKUMA
IPC分类号： A61K6/887 , A61K6/84
摘要： Provided is a dental filling and repairing material kit that is for repairing a tooth having a cavity and that includes a first polymerization curable composition (A) for forming a surface exposed layer exposed to a surface after repairing and a second polymerization curable composition (B) for forming a foundation layer to serve as a foundation of the surface exposed layer. The first polymerization curable composition (A) is formed into a cured body that expresses a structure color by dispersion of inorganic spherical particles in a specific dispersion state in a matrix. Regarding the second polymerization curable composition (B), the brightness (V) of colored light when a sample of said composition with a thickness of 1 mm is measured by using a color difference meter under a black background, is not less than 5 in terms of a color measurement value in the Munsell color system.

8. 发明专利

RU2759435C2 Отверждаемая композиция 未知
公开(公告)号：RU2759435C2
公开(公告)日：2021-11-12
申请号：RU2019134976
申请日：2018-04-16
申请人： TOKUYAMA DENTAL CORP
发明人： MATSUO TAKUMA , AKIZUMI HIRONOBU
IPC分类号： C08F2/44 , A61K6/16 , A61K6/17 , A61K6/80 , A61K6/887
摘要： Изобретениеотноситсяк стоматологическойотверждаемойкомпозиции, котораясодержитполимеризуемыймономер (А), представляющийсобой (мет)акриловоесоединение, сферическиечастицы (В), имеющиесреднийдиаметрпервичныхчастицв интервалеот 230 нмдо 1000 нми представляющиесобойчастицысложногооксиданаосновеоксидаэлементагруппытитанаи диоксидакремния, иинициатор (С) полимеризации, вкоторойпоменьшеймере 90% отдельныхчастиц, составляющихсферическиечастицы (В), находятсяв интервале ±5% поотношениюк среднемудиаметрупервичныхчастиц, аполимеризуемыймономер (А) исферическиечастицы (В) удовлетворяюттребованию (X1), представленномусоотношением nP

9. 发明专利

RU2726375C1 Отверждаемая композиция 未知
公开(公告)号：RU2726375C1
公开(公告)日：2020-07-13
申请号：RU2019118581
申请日：2017-11-28
申请人： TOKUYAMA DENTAL CORP
发明人： AKIZUMI HIRONOBU , MATSUO TAKUMA
IPC分类号： A61K6/16 , A61K6/17 , A61K6/62 , A61K6/71 , A61K6/76 , A61K6/884
摘要： Группаизобретенийотноситсяк вариантамстоматологическойотверждаемойкомпозициии кстоматологическомупломбировочномуматериалунаихоснове. Предлагаемаястоматологическаяотверждаемаякомпозициявключаетполимеризуемыймономер (A), композиционныйнаполнитель (B) наосновеорганическогои неорганическогоматериалови инициатор (C) полимеризации. Приэтомкомпозиционныйнаполнитель (B) включаетматрицу (b1) изорганическогополимераи неорганическийнаполнитель (b2), состоящийизсферическихчастиц, вкоторомсреднийразмерпервичныхчастицсоставляетот 230 до 1000 нм, причем 90% илиболееотколичестваиндивидуальныхчастиц, составляющихнеорганическийнаполнитель (b2), имеютразмерв диапазоне, ограниченномвеличинами, составляющимина 5% болееи на 5% менеесреднегоразмерапервичныхчастиц. Приэтомвыполняетсяформула 1: nP

10. 发明专利

AU2017367405A1 Curable composition 未知
公开(公告)号：AU2017367405A1
公开(公告)日：2019-05-23
申请号：AU2017367405
申请日：2017-11-28
申请人： TOKUYAMA DENTAL CORP
发明人： AKIZUMI HIRONOBU , MATSUO TAKUMA
IPC分类号： A61K6/884
摘要： Provided is a curable composition containing a polymerizable monomer (A), an organic-inorganic composite filler (B), and a polymerization initiator (C), wherein the organic-inorganic composite filler (B) includes an organic resin matrix (b1) and a spherical inorganic filler (b2) having an average primary particle size of 230-1000 nm, 90% or more of the number of individual particles constituting the spherical inorganic filler (b2) are present in a range of 5% greater or less than the average primary particle size, and the curable composition satisfies the following formulas (1) and (2): nP

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