The present invention relates to a drill for implants, comprising: a basic structure of a drill connecting unit (10), and a drill unit (20) disposed at the bottom aspects of the drill connecting unit (10) a drill upper portion (11) situated on one side of the upper portion of the drill connecting unit (10) a drill-fixing groove (12) formed on the lower aspects of the drill upper portion (11) a drill connection body (13) disposed at the bottom aspects of the drill-fixing groove (12) a internal cavity formed inside the drill unit (20) which is cylindrical and the diameter of which becomes narrower towards the bottom aspects thereof a plurality of lateral penetrating units (22) which are spaced at regular intervals and penetrate the lateral aspects of the internal cavity a plurality of lateral bone-cutting blades (21) disposed on the side edges of the lateral-penetrating units (22) and a sawtooth- shaped, lower bone-cutting blade (30) disposed on the lowermost aspect thereof.
