Dental implants and parts thereof; dental apparatus and instruments for use in dental surgery and dental apparatus and instruments for installing dental implants; dental apparatus and instruments for use in dental surgery, namely, burrs, roundburrs, drills, machines for tapping and inserting implants, torque control devices, medical trays for surgical instruments, implant distance indicators, ratchets, screwdrivers, depth gauges, screws, milling cylinders and anchors; dental instruments for u...