The present invention relates to biocompatible materials which tooth powder and beta-tricalcium phosphate (beta-TCP) are mixed, and more specifically to a ceramic bone graft material which tooth powder and beta-TCP are mixed and a manufacturing method thereof. [Reference numerals] (S210) Dental screening(First step); (S220) Cleaning(Second step); (S230) Thermal treatment(Third step); (S240) 棺-TCP mixing(Fifth step);본 발명은 치아 분말과 β-TCP(β-tricalcium phosphate)가 혼합된 것을 특징으로 하는 생체재료, 보다 구체적으로는 치아 분말과 β-TCP(β-tricalcium phosphate)가 혼합된 세락믹 골 이식재 및 그 제조방법에 관한 것이다.