Glass ceramic and manufacturing method thereof

Abstract

A glass ceramic is provided to address the challenge that bioceramics known to be used for bone defect repair often lack good hardness, proper degradability, low post-implantation stimulation to surrounding tissues and promotion of bone defect repair in combination. The glass ceramic comprises a major crystallized phase, which is either diopside or wollastonite; and a minor crystallized phase, which comprises any one or more selected from the group consisting of diopside, wollastonite, lithium disilicate, silicon dioxide, lithium metasilicate and Li2Ca2Si5O13. In the glass ceramic, the molar ratio of elemental calcium, elemental lithium and elemental silicon is 1:x:2, in which x is from 0.05 to 1. However, when the major crystallized phase is diopside, the minor crystallized phase does not comprise diopside; and when the major crystallized phase is wollastonite, the minor crystallized phase does not comprise wollastonite. The present invention also comprises a method for manufacturing the glass ceramic.

Dependencies are inferred from the claim text.