METHOD FOR MANUFACTURING DENTAL PROSTHESIS, METHOD FOR MANUFACTURING LITHIUM DISILICATE BLANK FOR DENTAL PROSTHESIS, AND LITHIUM DISILICATE BLANK FOR DENTAL PROSTHESIS

摘要

PROBLEM TO BE SOLVED: To provide a method for quickly producing a high-precision dental prosthesis.SOLUTION: According to the present invention, the method comprises: a melting step of melting a material containing 60.0 mass% or more and 80.0 mass% or less of SiO, 10.0 mass% or more and 20.0 mass% or less of LiO, and 5.1 mass% or more and 10.0 mass% or less of AlO; a glass blank-producing step of cooling and solidifying the molten material to obtain a glass blank; a lithium disilicate blank-preparing step of heating the glass blank to obtain a lithium disilicate blank in which the main crystal phase thereof is lithium disilicate; and a machining step of machining the lithium disilicate blank.SELECTED DRAWING: None