PURPOSE: An implant system is provided to prevent the top of a fixture from being exposed to the outside of the gum. CONSTITUTION: An implant system comprises: a fixture(1) in which a screw part is formed in the inside and outside thereof and which is fixed to the alveolar bone of a deprived tooth; an abutment(3) which is screwed-coupled with the top of the fixture fixed to the alveolar bone; a fixing screw(5) which fixes an abutment on the fixture; a vertical part(2) which is formed in the outside of the upper part of the fixture; a declined part(4) which is formed in the lower part of the abutment; grooves(6) which are formed in the screw part of the fixing screw at a constant interval.
