Dental Stools | A-dec 400
A‑dec 400 Stools

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A-dec 400 Dental Stools. Iconic Durability and Comfort.

A‑dec 400 Stools
The ergonomic tilt on the A-dec doctor's stool helps you maintain the natural curve of your back.
A‑dec 400 dental stool ergonomic positioning
A‑dec 400 dental stool adjustments

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

5-year warranty

A‑dec 5 year warranty
A‑dec 400 Stools

A-dec 400 Doctor's Stool

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.

Smooth rolling, twin-wheeled casters available for tile or carpet.

A-dec 400 doctor stool

Stool Cylinder—Find the Right Height
To choose the right stool height, measure from hips to the feet.

  • Above 32" - Choose tall height
  • Under 32" - Choose short height
A-dec 400 assistant stool

A-dec 400 Assistant's Stool

Adjustable torso support easily locks in place and can be converted for left or right-handed operators.

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

Height-adjustable foot ring helps assistant maintain correct posture.

Smooth rolling, twin-wheeled casters available for tile or carpet.

A‑dec 400 Stools
Model A-dec 421 Doctor's Stool A-dec 422 Assistant's Stool
Contoured backrest  
Contoured seat
Ergonomic tilt  
Adjustable torso support  
Easy-to-reach adjustment levers
Height-adjustable foot ring