To provide a dental implant enabling fine position adjustment of a fixture with an outer thread on its outer peripheral face when forming an aesthetically excellent arch-shaped interdental papilla.

The dental implant has the fixture 2 embedded in an alveolar bone 62, an abutment 30 which keeps one end fitted into the fixture 2 and the other end fitted with an artificial denture 4, and a coupling means 40 coupling the fixture 2 and the abutment 30, wherein the fixture 2 includes a base body 10 with the outer thread 12 and an interdental papilla forming body 20 which is turnably coupled to the base body 10 and is a base for forming the arch-shaped interdental papilla.