| 摘要 |
The present invention relates to a crystallized glass ceramic comprising 30 to 40 % by weight of each of CaSiO3, Ca10(PO4)6(OH)2 and Ca2Mg(Si2O7), a crystallized glass ceramic composition comprising CaSiO3, Ca10(PO4)6(OH)2 and Ca2Mg(Si2O7) in a predetermined weight ratio, a bone graft material comprising the glass ceramic, and a medical device for replacement of osseous tissue, or an intervertebral spacer, which is manufactured using the bone graft material. |
