Surgical, medical and odontological implants; orthopedic articles, dental crowns and bridges; instruments and apparatus for reconstruction and rehabilitation within the odontological, medical, orthopedic and surgical fields; artificial joints, teeth, eyes, limbs and other prostheses; parts and constituents of all these goods; laser probes and electronic apparatus for odontological purposes in association with computers, all of them employed in the odontological sphere; odontological scanning apparatus for odontological purposes in association with personal computers