10 Electric and pneumatic dental equipment, namely, dental drills,dental hand pieces, namely, contra-angle, straight, turbine, sandblasters, dental hand pieces for scaling, dental examination chairs, dental x-ray diagnostic apparatus, dental prophylactic instruments, namely instruments for plaque detection, removal of supra- and sub-gingival plaque and calculus, application of caries-preventing agents, checking of restorations and prostheses and correcting overhanging margins and proximal contours of restorations, and checking for signs of blood impaction; dental instruments, namely, picks, burrs, mirrors,medical and dental examination lamps, medical multi-function syringes, dental prostheses, dental inlays, dental overlays, dental crowns, dental veneers, dental bridges, grinding machines for machining medical and dental ceramics maintenance, and sterilization centers, primarily comprised of sterilization chambers, instrument baskets, soaking trays