The present invention relates to a customized implant abutment of a dual structure, which is manufactured in a customized manner to fit the shape of an existing tooth by being composed of a dual structure having upper and lower portions, and can be selectively replaced according to a fixture implanted in an alveolar bone. More specifically, the customized implant abutment of a dual structure comprises: a customized base abutment (200) which is a lower structure of the customized implant abutment, coupled to an upper end portion of a fixture (100) and having a contact surface corresponding to the shape of a tooth neck of an existing tooth a customized healing abutment which is an upper structure in which a fastening part (220) and a coupling groove of the lower structure (200) of the customized implant abutment are fitted and coupled to each other, and makes the form of natural gums by being manufactured according to the shape of a natural tooth and a screw abutment (400) screw-coupled to the fixture (100) by penetrating through the upper and lower structures of the customized implant abutment of a dual structure including a tool coupling groove (320) that is integrated with an upper end portion of the upper structure (300). The customized implant abutment of the present invention is fixated and coupled by the screw abutment (400), thus the gums around the implant abutment is maintained to be clean after the application of a prosthetic appliance, thereby increasing the efficiency of a medical procedure, and enabling the prosthetic appliance to be fixated firmly and naturally after the prosthetic appliance is coupled to the teeth.COPYRIGHT KIPO 2016본 발명은 상하부 이중구성체로 구성되어 기존 치아의 형상에 맞게 맞춤형으로 제작하고, 치조골에 매식되는 픽스츄어에 선택적으로 교체 가능하게 만든 이중구조의 맞춤형 임플란트 어버트먼트에 관한 것이다. 보다 상세하게는 픽스츄어(100)의 상단부에 결합되면서 기존 치아의 치경부 형상에 대응되는 접촉면이 있는 본 발명의 하부 구성체인 맞춤형 기초 어버트먼트(200)와 상기 본 발명 하부 구성체(200)의 채결부(220)와 하부 구성체 결합홈(310)이 끼워져 결합되는 상부 구성체로서 자연 치아 의 형상에 따라 제작하여 자연 잇몸형태를 만들어 주는 맞춤형 힐링 어버트먼트(300) 및
