Patent ID: 7090493

Claim:
In a dental implant system which includes an implant root to be implanted in an alveolar bone, an abutment assembled to the implant root, and a crown assembled to the abutment, the dental implant system in which: the implant root is formed in a cylindrical shape without a longitudinal well in the interior of the same, and comprises a circular rim groove formed along an outer circumferential surface of an upper portion of the same, a post portion having a first taper portion and a second taper portion below the circular rim groove, and a planting portion and multiple protruded circular plate pins below the post portion; and the abutment is formed in a cylindrical shape having an expanded portion curved at middle of the same, and comprises a well including a taper inner diameter portion in the lower surface of the same, so that the post portion of the implant is inserted into the well, a crown engaging portion including the expanded portion in the upper side, and an engaging well in an upper surface of the engaging portion; and the crown is engaged to an upper side of the abutment and comprises an abutment post corresponding to the engaging well at a center portion of the interior of the crown.