The present invention relates to a dental implant related to a prosthetic tooth, and to a dental implant having a fixing structure in which a fixture and an abutment are resiliently coupled, wherein a plurality of resilient legs are formed by means of cutout portions in a lower fastening shaft portion of the abutment, the plurality of resilient legs includes fastening means such as a fastening recess, a fastening projection, or a fastening ledge, and is characterized by including resilient legs having two functions and consists of resiliently fastening legs fastened to a fastening portion corresponding to the fixture, and non-fastened supporting legs that do not have the fastening means.
