Integrated unit description: which statement is true?

• A. It is powered by a separate battery from the chair.
• B. Ultrasonic scaler and handpieces are integrated into the dental chair system.
• C. It does not include a pedal control.
• D. It uses a separate console for each tool.

Answer: (B)

In an integrated unit, the dental chair itself houses the delivery system and the tools, so the ultrasonic scaler and handpieces are built into the chair system rather than being separate devices. This setup streamlines the operatory, keeps hoses and connections neat, and allows seamless control from one integrated interface, which is why this statement is true.

The other options don’t fit typical integrated units: power usually comes from the chair’s electrical system rather than a separate battery, pedals are standard for chair control, and there isn’t usually a separate console for every tool—the tools share a common control setup within the integrated system.