Dental equipment, namely, dental chairs; oral irrigation delivery system comprised of oral irrigators for supplying air and water to hand pieces; dental assistant instrumentation, namely syringes that deliver air and water, saliva ejectors for removing liquids, and high-volume evacuators for collecting spray and debris during dental procedures; dental lights to illuminate work areas and parts and fittings therefore; cuspidors; dental apparatus, namely self-contained water unit for dental irrigation; ancilliary housings for holding dental accessories; supporting arms and monitor mounts for use with dental equipment; dental tray holders; mounts for amalgam separators