Profile: Engle Dental Systems supplies chairs, hygiene systems, mobile cart systems and cabinet systems. Our Engle 300 hydraulic chair has features such as adjustable quick release double articulating headrest with contour cushion, thin back with lumbar support, anatomically correct back pivot point, and silent hydraulic lift system with auto rise safety shut-off. Our Engle 310 delivery system provides effortless flex-arm with airlock positioning. It has unit mounted touch pad, clean water system, wet/dry foot system and asepsis porcelain cuspidor.