Ergonomics in dentistry

Dental professionals are at high risk of back, neck, and shoulder pain due to poor posture and repetitive movements. According to the “European Society of Dental Ergonomics”, about 65 % of all dentists have musculoskeletal complaints varying in severity but involving one or more of the following: discomfort, pain, limitation of functioning and loss of working time. The risk of disability is considerable. That’s why ergonomics in dentistry is essential—not just for comfort, but for long-term health and career sustainability.

In this guide, you’ll learn how proper posture, correct seating, smart workflow design, and ergonomic dental units like XO FLOW and XO SEAT can help you sit well, see well, and work well. Watch the videos and explore best practices to improve your clinical life.

MOST DENTISTS SUFFER FROM OCCUPATIONAL STRAIN

The reason is that dental practitioners often work in static unhealthy postures – and in some cases even with the units out of sight and reach.

Traditionally, the unit instruments have been placed “to the left” of the chair:

To reach a unit instrument the practitioner must look away from the area of treatment and turn the body
In doing so, the practitioner needs to move the hands from the primary area of work
As a result, the focus on the treatment is repeatedly disrupted
The eyes become tired from constant adaptation and accommodation (adjustment of the eyes to differences in light and changes in distance of objects)
The practitioner must carry the full weight of instrument and hose
The chairside assistant cannot help the dentist change contra-angles and burs and cannot transfer unit instruments to the dentist
The instrument holders are closed and difficult to clean and disinfect

Unit with instruments placed “to the left” of the chair

XO ERGONOMICS

Fourhanded operation

With the XO solution the instruments are centrally placed over the chest of the patient:

The instruments are within easy reach of both operators without the operators looking away from the primary area of work
As a result, the operators’ eyes and hands are always free to focus on the task at hand
The chairside assistant can change contra-angles and burs on unit instruments – thereby saving time
The chairside assistant can transfer unit instruments to the practitioner – thereby saving time
The instruments are almost weightless (in balance)
The unit instrument holders are open and easy to clean and disinfect

The XO solution – four handed working technique

Solo work

When working solo, it is particularly important that all instruments are located within a short reaching distance.

The XO solution – two handed working technique

During endodontic treatment, it is useful to position a tray under the instrument bridge so that the endo files are within easy reach of the right hand.

The XO solution – two handed working technique – endodontic treatment

Sit, see and work well

You sit, see and work well when you:

Sit in an upright balanced position
Place the patient in the supine position with horizontal backrest making it possible to to work in four working positions from 9 to 12 o’clock (right-handed operator)
Lift the chair so that the distance from your eyes to the oral cavity is about 30 cm
Place the patient’s head in six different positions
Combine the four working positions and the six patient head positions so that you see all surfaces of all teeth while sitting well
Position the instrument bridge close to the patient’s chest so that the distance from the instrument tips to the oral cavity is about 30 cm

dentists using ergonomic saddle chair in upright balanced posture

XO ergonomics guide

In relation to the tooth and tooth surface to be treated, this interactive guide recommends healthy and optimal working positions and optimal patient positions.

The XO Ergonomics guide app in XO FLOW

The integrated XO Ergonomics app

You can via your XO FLOW unit access the XO Ergonomics Guide:

You can also access the Ergonomics Guide here by either:

1. Download it to your computer
or
2. Open in PowerPoint for web

Download the XO Ergonomics Guide:

XO Ergonomics guide – 4-hand-Technique (English)
XO Ergonomics guide – 2-hand-Technique (English)

XO Ergonomie guide – 4-hand-Technik (Deutsch)
XO Ergonomie guide – 2-hand-Technik (Deutsch)

Guide ergonomie XO – Travail á 4 mains (Français)
Guide ergonomie XO – Travail á 2 mains (Français)

A pretreatment checklist – Get the most out of your digital XO FLOW treatment unit

Sit, see and work well – at the same time

The pretreatment checklist allows new users to get familiar with the XO solution in two minutes, The checklist is available in 4 languages in the XO FLOW Help app and below:

English:

Deutsch:

Français:

Dansk:

What not to do

While the Pretreatment Checklist explains how to achieve maximum benefit from working with the unit, this film demonstrates what NOT to do when working with an over-the-patient delivery unit like XO:

Need help improving your clinic’s ergonomics?

Our professional team at XO CARE is ready to guide you toward healthier posture, better workflow, and long-term comfort at work. Let us help you find the perfect ergonomic solutions for your dental practice.

Contact Our Team

Frequently Asked Questions about Ergonomic Dentistry

Ergonomics reduces the risk of musculoskeletal disorders (MSDs) in dentists, helping prevent back, neck, and shoulder pain while improving treatment efficiency.

The optimal posture is the “upright balanced position” with the hip joint at around 120 degrees. This reduces strain on the spine and allows better movement around the patient.

Dentists should use a saddle-style ergonomic chair, like the XO SEAT, which supports natural spine curvature and encourages healthy posture throughout the day.

By choosing ergonomic equipment, designing compact and efficient treatment rooms, and educating staff on proper posture and workflows, clinics can minimize long-term health risks.