The dental unit (Figure 2) should:
- Adjust vertically and have a horizontal tilt for easy access to operator and assistant.
- Have components, including high and slow speed handpieces, and other assorted devices, within a 21 inch radius of the assistant. Have smooth tubing that is tangle-free, off the floor, and gravity retractable.
- Be able to withstand rigorous daily use.
- Be designed to contain multiple handpieces and high technological devices.
- Be free of a bracket tray and cuspidor.