Dental, surgical and medical apparatus and instruments, namely, scaling and grinding instruments being ultrasonic or sonic; artificial teeth and dental prostheses; apparatus for dental occlusion, namely, dentals crowns, dental inlays; apparatus for making dental impressions, namely, dental impression trays; dental occlusal impression tray; suture materials; appliances for washing body cavities; dentists' armchairs; diagnostic apparatus for dental purposes, namely, organoleptic diagnostic test...