PROBLEM TO BE SOLVED: To provide a dental implant which is effectively arranged with a junction torque stress dispersion, a self-locking clamp screw and a temporary bonding function, is hardly breakable and is excellent in intraoral operability and a system for the same.SOLUTION: The dental implant which has a joining shape to disperse torque stresses, has the temporary bonding function of an upper structure and an attachment body and has a self-locking function in the clamp screw and the system for the same.COPYRIGHT: (C)2003,JPO【目的】歯科用インプラント体において接合部トルク応力分散、セルフロック固定ネジ、仮着機能を効果的に配置し、折れにくく、口腔内操作性に優れた歯科用インプラント体及びそのシステムを提供する。【構成】トルク応力を分散せしめる接合形状を有し、上部構造体と植立体との仮着機能を有し且つ固定ネジはセルフロック機構を有する歯科用インプラント体及びそのシステム。