artificial teeth; artificial joints; dental abutments; dental screws; dental crowns; orthodontic brackets; medical test equipment for measuring bone density; surgical staples; pins for artificial teeth; bone plates; bone screws; bone rods; bone setting machines and instruments; artificial jaws; surgical instruments and apparatus; surgical implants of artificial materials; medical apparatus and instruments for use in orthopedic surgery; dental instruments, for use in dental implant surgeries, ...