Disclosed is a dental implant. The dental implant comprises: a fixture (100) including a mounting hole (142) of an upper side on which a lower part of an abutment (200) is mounted, and a screw fastening hole (144) connected to the mounting hole (142) and fastened to a fixing screw (400)； an abutment (200) including an outer shape including a protrusion mounted on the mounting hole (142), and a vertical through-hole extending from an upper end to a lower end, wherein the vertical through-hole includes a lower hole (212) and an upper hole (214) having a diameter larger than that of the lower hole (212) to have a locking protrusion (213) between the upper hole (214) and the lower hole (212)； and a fixing screw (400) including a screw thread unit (440) fastened to the screw fastening hole (144) through a head unit (420) and the lower hole (212) locked to the locking protrusion (213), and a non-screw thread unit (430) formed between the head unit (420) and the screw thread unit (440), wherein a groove is formed at an end of a screw thread of the screw thread unit (440), a tip unit (445), which is made of a soft material compared to the screw thread unit (440) and has a thermal expansion coefficient greater than the screw thread unit (440), is formed on the groove at the end of the screw thread in an inserted form, a soft material unit (439), which is made of a soft material compared to the non-screw thread unit (430), is formed on an outer peripheral side of a boundary between the screw thread unit (440) and the non-screw thread unit (430), and the soft material unit (439) is transformed by being pressed by a screw thread start unit (149) formed on the screw fastening hole (144).COPYRIGHT KIPO 2020치과용 임플란트가 개시된다. 개시된 치과용 임플란트에 있어서, 픽스츄어(100)는 어버트먼트(200)의 하부가 안착되는 상측의 안착홀(142)과 상기 안착홀(142)과 연결되어 있고 고정 나사(400)에 체결되는 나사 체결홀(144)을 포함하고, 상기 어버트먼트(200)는 상기 안착홀(142)에 안착되는 단턱을 포함하는 외부 형상과 상단으로부터 하단까지 연장된 수직 관통홀을 포함하고, 상기 수직 관통홀은 하부홀(212) 및 상기 하부홀(212)보다 큰 직경을 가져 상기 하부홀(212)과의 사이
