A dental implant comprises a fixture portion, a neck portion, and an abutment portion. The fixture portion is embedded in a jawbone. Th fixture has a screw thread on an outer circumferential thereof, and a curved surface is formed extending downwardly at a lower end of the fixture portion. The neck portion is integrally formed on an upper end of the fixture portion and has a neck that is formed to be narrow such that the neck is bendable. The abutment portion is integrally formed on an upper end of the neck portion and has a cylindrical shape extending upwardly. At least one insertion groove is formed along a longitudinal direction of the abutment portion, and the insertion groove extends to an upper end of the abutment portion with a specific width and a specific length. |