Instruments, systems and components thereof used in the practice of medicine and primarily in the practice of dentistry, namely, motor systems comprised of a power unit, an electronic or pneumatic motor and controls used to modify the output of the motor, foot pedal controls and attachments in the nature of hand pieces, drills, burrs, cutters, files, and polishers; portable dental systems comprised of air/water syringes, electronic or pneumatic motors, pumps, a water supply, air compressors, evacuators, foot switches, lights, chairs, stools, related carrying and support structures, and x-ray machines; tooth traction products namely grids and chains, bonding agents, [ retraction products to control bleeding during and after tooth extraction, retraction cotton and pellets, tooth packing instruments, and pharmaceuticals for use in treating pain and infection;] the tooth traction products sold individually or combined and sold as a unit; irrigation systems, compressed air systems, and vacuum systems comprised of tubing, attachments in the nature of air/water dispensing lines and suction lines, accessories in the nature of wheeled carts for mobile support and tips for the dispensing and suction lines, syringes, electronic or pneumatic motors, compressors, pumps and foot controls; dental instruments, namely, scalers, [ picks,] forceps, clamp boards, mouth dams, templates and clamps, saliva ejectors, tongue guards, tips, placers, crown removers, gages, and cannula clips; and visual aids for medical use, namely, lights and loupes