ZACH Insights · Working life
The physical
working day
in dentistry.
Task demands, variation and training—and what the research can actually support.
A working setup is a system
01 · Understand the task
A snapshot of posture
misses the working day.
Dental work combines a small visual field, precise hand activity and tasks that can require sustained positions. A useful conversation asks what the person is doing, for how long, with which equipment and with what opportunities to change position. The aim is to understand the job, rather than label a body shape as a diagnosis.
Soo and colleagues’ 2023 systematic review included 18 studies and reported widely varying estimates of musculoskeletal problems. That variation matters: different samples, body regions and definitions cannot be collapsed into a single prediction for a particular clinic. The review identifies a relevant occupational problem; it does not make every reported association a proven cause. [1]
The task.
Which procedure needs close visual access? Where are the patient, light, tray and supporting colleague? Ask about actual working reach and the time spent in a position.
The sequence.
How do appointments, records, setup and cleaning follow one another? Where is variation possible without disrupting patient care or infection-control procedures?
The person.
What experience, current activity, symptoms and preferences affect the options? An agreed adjustment needs to be usable by the person who will repeat it.
Keep professional groups distinct. Dentists, dental hygienists and dental assistants share a setting, but their tasks and exposures can differ. Results from a trial of dentists with neck pain cannot automatically be assigned to every member of a dental team.
02 · Name the outcome
Pain. Function.
Diagnosed injury.
These are related questions, not interchangeable measurements. IASP describes pain as a personal experience influenced by biological, psychological and social factors. A person’s report should be respected; a pain score alone does not identify a tissue diagnosis. [2]
Reported pain
A rating of the person’s experience, often on a numerical or visual scale. Ask which body region and which time period the question covers.
Functional limitation
Difficulty with activities such as working, concentrating or sleeping. A questionnaire can examine this separately from pain intensity.
Diagnosed injury
A clinical conclusion requiring appropriate assessment. It should not be inferred from an uncomfortable position, a photograph or a symptom survey.
A reduction in reported pain is useful information. It is not, by itself, evidence that an intervention prevented new diagnosed injuries or reduced sickness absence.
03 · Read the comparison
What do exercise trials
in dentists tell us?
The two trials below concern dentists who already had chronic neck pain. Their question is about change in existing symptoms and function, rather than primary prevention in a symptom-free workforce.
Letafatkar et al.
8 weeks.
48 women.
Forty-eight female dentists aged 40–45 were allocated to therapeutic exercise or no specific exercise. The programme addressed coordination, endurance and strength. At eight weeks, between-group results favoured exercise for neck pain, disability and other measured outcomes. [3]
This is a small, specific sample. Here we use the published abstract; the full report was not available for a complete methods appraisal. The finding does not establish long-term prevention or the effects of a brief workplace workshop.
Original diagram · Study design, not effect size
Eight weeks
Eight weeks
Alkan et al.
12 weeks.
Three formats.
Sixty eligible dentists were allocated to supervised exercise, video-based telerehabilitation or a non-resistance home programme. Fifty-five completed the study: 19, 19 and 17 respectively. Exercise was scheduled three days per week for 12 weeks. Supervised training produced greater reductions in pain and neck disability than the other groups. [4]
The remote format included video guidance and completion messages. It was more than simply handing someone an exercise link. The trial was small, assessed outcomes at 12 weeks and does not establish whether gains persist. Its full report was consulted; this page is not a formal risk-of-bias assessment.
Keep the conclusion proportionate.
These studies support investigating structured exercise for existing neck pain in the populations studied. They do not show that every dental worker needs the same programme, that posture change explains the benefit, or that a single educational session prevents injury. A real programme needs an appropriate scope and, where needed, clinical assessment.
Read the illustrated evidence hierarchy →
Understand why random allocation helps, why the comparison matters and why a design label does not settle the quality of a study.
04 · More than one lever
Improve the setting.
Make the routine usable.
Arbejdstilsynet’s guidance on prolonged sitting and standing emphasises suitable equipment, variation in tasks and positions, instruction and opportunities for appropriate breaks. This is workplace guidance, rather than evidence that a particular exercise routine has a particular effect. [5]
- Equipment & access
Discuss whether the working setup can be adjusted for the person and procedure. Bring equipment-specific questions to the supplier or an appropriate occupational specialist.
Review question: What change can be used repeatedly, rather than only demonstrated once? - Tasks & variation
Look at the sequence of clinical and non-clinical work. Identify realistic opportunities to change position or task while keeping patient care and hygiene requirements intact.
Review question: Is there an opportunity in the actual appointment schedule? - Movement & training
Choose a format with a clear purpose, manageable time requirement and appropriate guidance. General movement education and individual symptom treatment have different scopes.
Review question: Is the goal learning, a repeatable activity routine or treatment of a clinical problem? - Follow-up
Ask what was attended, understood and used. Agree what should be changed before extending a programme. Private health conversations should remain separate from employer feedback.
Review question: What evidence would justify continuing, simplifying or stopping this format?
05 · Put the questions into a day
A clinic day with
room for variation.
This is a proposed discussion example, not an existing ZACH client case or a tested intervention. Times and actions would need to be adapted to the clinic, individual roles and patient schedule.
- Before the first patient Prepare the setup Check the agreed chair, lighting and instrument arrangement. Discuss what can be adjusted for the procedure and clinician.
- Between appointments Use a transition Where the schedule permits, change position during an ordinary transition or non-clinical task. Preserve cleaning and patient-care requirements.
- An agreed team slot Practise a familiar option A short guided movement session can introduce options. It should have a defined purpose and allow people to choose suitable participation.
- End of the working day Notice the fit Record one practical observation: what was easy to use, what was interrupted and what needs a different time or setup.
- At the organiser review Make one adjustment Review participation and usability. Avoid drawing conclusions about injury prevention from attendance alone.
There is no universal break interval or ideal posture prescribed by this example. Persistent, worsening or concerning symptoms need appropriate individual assessment.
Continue with a useful next step
From understanding
to a defined brief.
Sources and reading limits
- Soo SY et al. (2023). Occupational ergonomics and related musculoskeletal disorders among dentists: a systematic review. Work 74:469–476. Published abstract consulted; no independent reanalysis of the 18 included studies.
- International Association for the Study of Pain. Pain terminology and notes on the revised definition. Used for the distinction between pain experience and inferred tissue diagnosis.
- Letafatkar A et al. (2020; online 2019). Effect of therapeutic exercise routine on pain, disability, posture, and health status in dentists with chronic neck pain: a randomized controlled trial. International Archives of Occupational and Environmental Health 93:281–290. Published abstract consulted.
- Alkan E et al. (2025). Effects of combined supervised and telerehabilitation exercise programs on pain and disability in dentists with chronic neck pain: a randomized controlled trial. BMC Musculoskeletal Disorders 26:759. Full published report consulted for allocation, intervention and follow-up.
- Arbejdstilsynet. Pas på din krop ved langvarigt siddende og stående arbejde. Danish workplace guidance on equipment, task variation and appropriate breaks. Checked 3 October 2026.