Taking-out device for broken central screw

The utility model discloses a device for taking out a broken central screw, belongs to the technical field of dental implant, aims to provide the device for taking out the broken central screw, and solves the problems that the existing tool is low in efficiency of taking out the broken central screw and causes great trauma. The dental implant positioning protection device comprises a positioning protection cylinder, a first central screw extractor, a second central screw extractor, a third central screw extractor and a dental implant mobile phone, and a positioning seat for mounting an implantin a matched manner is arranged at the bottom of the positioning protection cylinder; operating holes for the first central screw extractor, the second central screw extractor and the third central screw extractor to pass through are formed in the center of the positioning protection cylinder in the height direction of the positioning protection cylinder, a scrap containing groove is formed in the end of the first centra