公开(公告)号：US20240423764A1

公开(公告)日：2024-12-26

申请号：US18690861

申请日：2022-08-24

Applicant: GC Corporation

Inventor： Kento NAGAOKA ,  Mizuho ONODERA ,  Koji YAMAMOTO ,  Yusuke HOKII ,  Shigenori AKIYAMA

IPC: A61C13/08 ,  A61C13/00

Abstract: In a method of coloring a dental block by which a coloring liquid penetrates into the dental block including a top surface, a bottom surface, and a side surface, the method includes covering at least a portion of the side surface with a covering material over an entire circumference of the portion, exposing the top surface and the bottom surface, and causing the coloring liquid to penetrate from the top surface or the bottom surface.

公开(公告)号：US20230303419A1

公开(公告)日：2023-09-28

申请号：US18032728

申请日：2022-03-10

Applicant: GC CORPORATION

Inventor： Kenji KOJIMA ,  Koji YAMAMOTO

IPC: C03B11/14 ,  C03B27/012

CPC classification number: C03B11/14 ,  C03B27/012 ,  C03B2215/06

Abstract: Provided is a method of producing a glass-ceramic blank including: preparing plural glass-ceramic powders, laminating the glass-ceramic powders, so that colors of any adjacent layers of the powders are the same as or approximate to each other, and so that said any adjacent layers are different in total light transmittance, and pressure-molding the laminated powders; heating, at 500° C. to 800° C., a laminate obtained by the pressure molding to degrease the laminate; immersing an entire of the laminate after the degreasing in a colorant solution including a single-colored metal ion; and heat-treating, at higher than 750° C. and 1000° C. or lower, the laminate having immersed in the colorant solution.