Disclosed is an implant fixture removing device for removing an implant fixture, which is implanted into a human alveolar bone and forms an artificial dental root. The disclosed fixture removing device comprises: a fastening screw fastened to a female screw portion of a fixture and a removing driver forced against the top surface of the fixture, while being fastened to the fastening screw, such that the fixture is rotated and removed. A fastening male screw portion is formed on one end of the fastening screw and is screw-fastened to the female screw portion of the fixture, and a removing female screw portion is formed inside the other end of the fastening screw to have a thread formed in the opposite direction to the direction of a thread of the fastening male screw portion. An insertion hole is formed inside one end of the removing driver such that the other end of the fastening screw is inserted therein, and a removing male screw portion is formed at the center portion of the insertion hole to be screw-fastened to the removing female screw portion of the fastening screw, and a friction portion is formed on the bottom of one end of the removing driver to make a frictional contact with the top surface of the fixture.Linvention concerne un dispositif de retrait délément de fixation dimplant pour retirer un élément de fixation dimplant, qui est implanté dans un os alvéolaire humain et forme une racine dentaire artificielle. Le dispositif de retrait délément de fixation décrit comprend : une vis de fixation fixée à une partie vis femelle dun élément de fixation et un élément dentraînement de retrait forcé contre la surface supérieure de lélément de fixation, tout en étant fixé à la vis de fixation, de telle sorte que lélément de fixation est tourné et retiré. Une partie vis mâle de fixation est formée sur une extrémité de la vis de fixation et est fixée par vissage à la partie vis femelle de lélément de fixation, et une partie vis femelle de retrait est formée à linté
