implant bridges for dental purposes; surgical apparatus and instruments for medical, dental use; Dental articulators; Substitutes for bones, cartilage, ligaments and tendons; bone forceps; artificial bone parts to be implanted in natural bones; bone substitutes for surgical use; artificial bones for implantation; artificial joints; forceps for dental technical purposes; dental foundation supports; orthodontic appliances; dental fixtures, namely, medical implants in the nature of prefabricated...