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A-dec 400 Dental Chair

Combines contemporary styling with robust construction

Contemporary, versatile, strong

The A-dec 400 dental chair combines robust construction, contemporary styling, and left/right versatility with a Radius delivery system.

A-dec 400 dental chair with formed upholstery
A-dec 5 year warranty

Comfort for your patients

Put your patients at ease. The virtual pivot synchronizes movement with the natural motion of the patient. The toeboard tilt provides the patient with comfortable lower leg support. Together, they create a cradling effect for the patient.

Patient in A-dec 400 dental chair
A-dec 400 dental chair with ergonomic design

Ergonomic design

The key to productivity and career longevity is remaining comfortable while you work. This is why A-dec 400 is designed to keep your movement fluid and ergonomically aligned.

Left/right versatility

The Radius delivery systems, cuspidor, and assistant's instrumentation quickly and easily rotate around the chair for complete left/right versatility.

Right/left versatility on A-dec 400 dental chairs

Ready to learn more?

Talk to our experts. Your A-dec Territory Manager is here to answer your questions and ensure you get the best solution for your dental practice.

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The A-dec 400 with sewn upholstery ticked all the boxes for me in terms of price, comfort, quality and ease of use.

DR Ken Chan

Dr. Kenneth Chan | Capstone Dental

Seven Hills, NSW, Australia

A-dec 400 dental chair with A-dec 500 Pro delivery system

A-dec 400 dental chair upholstery

What's your color? A-dec offers an array of choices in formed or sewn upholsteries to create an environment that reflects your style.


Explore options with the A-dec 400 dental chair

Are you ready to explore options?

To ensure you get the best solution for your dental practice, A-dec offers many dental equipment options. Your A-dec Territory Manager can work with you to find the solution that's right for you and your dental team.


How do you clean an A-dec dental chair?
A-dec recommends cleaning the upholstery using a solution of mild, non-ionic detergent and water, or commercially available cleaners containing no alcohol, bleach, or ammonia. Get more information in the A-dec Upholstery Maintenance Guide.

How long should a dental chair last?
With proper maintenance and service, A-dec dental chairs are designed and tested for a “service life” of 20 years under normal use. The actual service life can be influenced by factors such as environment, extent of use, cleaning and maintenance frequency, and preventative maintenance of normal service “wear & tear” components. Please review A-dec’s customer warranty for complete details, including applicable disclaimers and limitations of liability.

What’s the weight capacity of the A-dec 400 dental chair?
The A-dec 400 dental chair is rated to 400 lb (181 kg) maximum patient load. The chair is tested to 4X (1600 lb/725 kg) to ensure safety.

What is the cost of an A-dec 400 dental chair?
You can customize your dental chair with many different equipment options. Request a quote from your local A-dec dealer.

How do you reupholster A-dec dental chairs?
Replacement upholstery can be ordered through your local A-dec dealer. Get replacement upholstery information.

What is the warranty for A-dec dental equipment?
A-dec is pleased to offer a 5-year warranty for new A-dec dental equipment and furniture purchased from an authorized A-dec dealer. See A-dec, Inc. Express Limited Warranty for full warranty information.

How do you order genuine A-dec replacement parts for your dental chair?
To order replacement parts, please contact your local A-dec dealer.

How do you maintain A-dec dental equipment?
Daily and preventative maintenance will help keep your dental equipment running smoothly. Use the Dental Equipment Maintenance checklist for easy reference.

How do you operate/adjust key features on the A-dec 400 dental chair?
Reference the A-dec 411 Dental Chair Instructions for Use for specifics around chair operation and adjustments.

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Upholstery Colors

Upholstery colors

See all dental chair upholstery colors and order free samples.

A-dec cost comparison calculator

Cost comparison calculator

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