PURPOSE: A cutting machine for manufacturing dental work pieces is provided to prevent the diffusion of dust generated while cutting an object. CONSTITUTION: A cutting machine for manufacturing dental work pieces comprises: a jig part(100) fixing a sample and an object; and an imitation cutting part(200) deciphering the shape of the sample fixed to the jig part and cutting the object according to the shape. The jig part includes: a base which is installed in a horizontal pivot structure and is formed with installation holes in both sides thereof; a sample table installed in a longitudinal pivot structure; and an object table.본 발명은 보철물 성형용 모방 절삭장치에 관한 것으로, 더욱 상세하게는 표본물의 형상을 판독하고 이 판독된 형상과 동일하게 피삭물을 절삭하여 크라운 & 브릿지, 임플란트 어버트먼트(Implant abutment), 인공치관, 그리고 어태치먼트(Attachment) 등의 다양한 보철물을 성형하는 보철물 성형용 모방 절삭장치에 관한 것이다.