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A-dec 400 Dental Stool

Iconic durability and comfort

Iconic durability. Contoured support. For years, our durable seating solutions have been helping dental practitioners sit in a healthy, supported position.

A-dec 400 doctor's stool
A-dec 5 year warranty

Ergonomic tilt

The ergonomic tilt on the A-dec 400 doctor's stool helps you maintain the natural curve of your back to help reduce disc pressure and muscle strain.

Seated adjustment  

Seat height and ergonomic tilt (doctor's stool) and seat height and torso support (assistant's stool) easily adjust from the seated position.

A-dec 400 dental stool features

Ergonomic tilt. Helps you maintain the natural curve of your back reducing strain and fatigue.

Large, anatomically-shaped backrest. Hugs the lower back.

Easy-to-reach levers. Allow incremental or dynamic hip angle adjustments and seat height adjustment.

Rolled edge. Helps reduce pressure on the legs and allows for proper circulation.

Two cylinder heights (A-dec 400 doctor’s stool). Measure from hips to the feet. Above 32" - choose tall cylinder. Under 32" - choose short cylinder.

Height-adjustable foot ring (A-dec 400 assistant’s stool). Helps assistant maintain correct posture.

Adjustable torso support (A-dec 400 Assistant’s stool). Easily locks in place and can be converted for left or right-handed operators.

A-dec 400 dental stool with parrot upholstery

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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A-dec 400 dental stool upholstery

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

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

How do you clean an A-dec dental stool?
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.

What is the importance of maintaining proper posture for dental practitioners?
Reference A-dec’s Dental Professional Use of Ergonomically Designed Seating White Paper to better understand the physiological benefits involved.

What is the cost of an A-dec dental stool? 
For current pricing, contact your local A-dec dealer.

What is the correct seating position in a dental stool?
An ergonomic seated position begins with an athletic stance. Feet roughly shoulder width apart. Hips should be positioned above the knees with head directly over the spine to promote a natural S-shaped curve for the back. Elbows should rest at your side with hands slightly elevated. Contact your local A-dec dealer for more information on ergonomic positioning.

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

How do I make seating adjustments on the A-dec 400 dental stools?
Reference the A-dec 400 Stools Instructions For Use for details on how to utilise the key features of your A-dec 400 dental stools.

What to look for when buying dental equipment

Dental equipment guide

Request your free What to Look for When Buying Dental Equipment guide.

Upholstery Colors

Upholstery colours

See all A-dec dental chair upholstery colours.

Townie Choice Awards

Dentists vote A-dec best in class

Learn why dentists consistently choose A-dec dental equipment.