Wall/Cabinet Mounted Delivery Unit The DentalEZ® Doctor Wall Mounted (DWM) Unit with long arm is used when you would like to mount the unit to a wall for side delivery. The DentalEZ Doctor Cabinet Mounted (DCM) Unit with short arm can be mounted in most doctor’s side cabinets and island style cabinets. (Includes regulators and pilot valves; NO external umbilical or utility service center).