Dental handpieces; dental bite trays and drills; dental furniture, namely, dental chairs; dental headrests; dental seats; dental armrests; dental foot controls; cuspidors; dental water and disinfection systems consisting of liquid bins and dosing pumps; dental syringes; saliva ejectors; high volume evacuators; dental stools; dental operating lights; dental reflectors; dental instruments and apparatus, namely, hand and angle pieces, electric and pneumatic drives for these instruments, driving motors for dental instruments, dental motor instruments couplings, dental articulators, suction apparatus for dental use, vibrators used to condense or compact materials in medical and dental laboratories, dental laboratory benches, worktops, drawers, cabinets, laboratory chairs, hoods, suction hoods, arm rests, safety shields, work trays, instrument drawer inserts, delivery arms, tables, tabletops, dental laboratory workstations, brackets, dust collectors, laboratory light fixtures, work trays with bench holders, dental couplings for motors, instruments for power supply hoses, dental drilling machines, flexible hose tubing, articulated sliding connections, rods, rigid and flexible rods; drive shafts, dental turbines, computer-aided image processing devices; tables for dentists and dental technicians; files for preparation of root canals; drive controllers for handpieces for dentists and dental technicians; caries detectors; dental tools and three-dimensional models for use by dentists and dental technicians