Dental implant for replacing molar, has implant region whose cross-section along apical direction is set larger than cross-section of tapered portion along coronary direction

摘要

The implant (1) has a concave portion (10,12) that is extended along the apical direction and adapted to bone. The concave portion is implanted adjacent to latter. The cross section of coronary partial region is tapered and tapered portion (14, 16) is provided for contacting gums in the implanted state. The cross-section of implant regions (22,24) along apical direction is set larger than cross-section of tapered portion along coronary direction. Independent claims are included for the following: (1) dental implant ion tool; and (2) dental implant ion knocking device.