公开(公告)号：US20180133113A1

公开(公告)日：2018-05-17

申请号：US15574631

申请日：2016-04-20

Applicant: GC Corporation

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA ,  Takuya SATO

IPC: A61K6/02 ,  A61C13/00 ,  A61C13/083

CPC classification number: A61K6/0205 ,  A61C13/0022 ,  A61C13/083 ,  A61K6/027 ,  A61K6/0273 ,  A61K6/0612

Abstract: In order to provide a material for forming a dental prosthesis which does not require further heat treatment after machining and can improve cutting ability even after obtaining necessary strength, the material for a dental prosthesis comprises 60.0 mass % or more and 80.0 mass % or less of SiO2, 10.0 mass % or more and 20.0 mass % or less of Li2O, and 5.1 mass % or more and 10.0 mass % or less of Al2O3.

公开(公告)号：US20190328495A1

公开(公告)日：2019-10-31

申请号：US16506589

申请日：2019-07-09

Applicant: GC CORPORATION

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA

IPC: A61C13/00 ,  A61K6/06 ,  C03C10/00 ,  C03C4/00 ,  A61Q11/00 ,  A61C13/083 ,  A61K6/027

Abstract: Provided is a block body that makes it possible to quickly produce a dental prosthesis with a good accuracy. A material of the block body including SiO2 in an amount of 60.0 mass % to 80.0 mass %, Li2O in an amount of 10.0 mass % to 20.0 mass %, Al2O3 in an amount of 5.1 mass % to 10.0 mass %, wherein the block body is formed in a column, and a main crystalline phase of the block body is lithium disilicate.

公开(公告)号：US20170224450A1

公开(公告)日：2017-08-10

申请号：US15499252

申请日：2017-04-27

Applicant: GC CORPORATION

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA

IPC: A61C13/00 ,  A61Q11/00 ,  C03C4/00 ,  A61K6/027 ,  A61C13/083 ,  C03C10/00

CPC classification number: A61C13/0022 ,  A61C13/0006 ,  A61C13/083 ,  A61K6/027 ,  A61K6/0273 ,  A61K6/0612 ,  A61Q11/00 ,  C03C4/0021 ,  C03C10/0027 ,  C03C2204/00

Abstract: Provided is a method for quickly producing a dental prosthesis with a good accuracy.The method for producing a dental prosthesis including: a melting step of melting a material including no less than 60.0 mass % and no more than 80.0 mass % of SiO2, no less than 10.0 mass % and no more than 20.0 mass % of Li2O, and no less than 5.1 mass % and no more than 10.0 mass % of Al2O3; a glass blank production step of cooling to solidify the molten material to obtain a glass blank; a lithium disilicate blank production step of heating the glass blank to obtain a lithium disilicate blank whose main crystalline phase is lithium disilicate; and a processing step of processing the lithium disilicate by machining.

公开(公告)号：US20160287361A1

公开(公告)日：2016-10-06

申请号：US14892078

申请日：2015-07-08

Applicant: GC CORPORATION

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA

IPC: A61C13/00 ,  C03C10/00 ,  C03C4/00 ,  A61C13/083

CPC classification number: A61C13/0022 ,  A61C13/0006 ,  A61C13/083 ,  A61K6/027 ,  A61K6/0273 ,  A61K6/0612 ,  C03C4/0021 ,  C03C10/0027

Abstract: Provided is a method for quickly producing a dental prosthesis with a good accuracy.The method for producing a dental prosthesis including: a melting step of melting a material including no less than 60.0 mass % and no more than 80.0 mass % of SiO2, no less than 10.0 mass % and no more than 20.0 mass % of Li2O, and no less than 5.1 mass % and no more than 10.0 mass % of Al2O3; a glass blank production step of cooling to solidify the molten material to obtain a glass blank; a lithium disilicate blank production step of heating the glass blank to obtain a lithium disilicate blank whose main crystalline phase is lithium disilicate; and a processing step of processing the lithium disilicate by machining.

Abstract translation: 一种牙科假体的制造方法，其特征在于，包括熔融步骤，其熔融不少于60.0质量％且不超过80.0质量％的SiO 2，不小于10.0质量％且不大于20.0质量％的Li 2 O，以及 不少于5.1质量％且不超过10.0质量％的Al2O3; 冷却玻璃坯料的步骤，使熔融材料固化，得到玻璃坯料; 二硅酸铝坯生产步骤，加热玻璃坯料得到主晶相为二硅酸锂的二硅酸锂坯; 以及通过机械加工二硅酸锂的处理步骤。