An endodontic training device (4) suitable to locate the apex (15) of canals (14) of teeth (13) and carrying out radiographs of the teeth (13) during the various steps of shaping and subsequent plugging of the canals (14). The device (4) allows carrying out an endodontic training "in vitro", and carrying out all operations on the tooth (13) without ever being required to remove the tooth (13) from the suitable housing seat (12) .