Using good ergonomic principles when designing your veterinary dental suite will reduce stress and fatigue for your team and your patients during dental procedures.
In this Series, we have examined how to improve efficiency in veterinary dentistry by Part 1: Reviewing your instruments, Part 2: Maintaining your instruments, Part 3: Investing in your Team and Part 4: Improving Workflow. Our last post discussed how an audit of your dental workspace can help improve workflow and some simple changes that can make a big difference – from streamlining processes and optimising your workspace to even a simple task like sorting your dental instruments.
In Part 5, the focus is on playing it safe by introducing good ergonomic principles while performing dental procedures to reduce stress and fatigue.
What is ‘ergonomics’?
Ergonomics is defined as the application of knowledge addressing the interactions between humans and the working environment (including atmosphere, heat, light and sound) as well as the tools and equipment used in the workplace. It involves the factors that affect our body’s movements and responses to the forces of specific tasks.
According to AVMA Veterinary Ergonomic Guidelines, risk factors that could lead to veterinary staff experiencing a musculoskeletal injury include sitting in awkward postures (eg neck bent at 30o; sustained position for extended periods of time) and highly repetitive motions (eg same motion with neck, shoulders, wrists or hands with little to no variation) and gave dentistry as examples of where these risks can occur.
How to improve the ergonomics in your dental suite
So, let’s look at how to improve the ergonomics in your dental suite.
1. Room Layout
- Poor posture leading to musculoskeletal injuries has been discussed extensively in human dentistry, as seated in an awkward position for lengthy periods puts more strain on the spine than standing.
- An ergonomic dental station is one where the staff member can maintain a neutral, upright seated position, with equipment and instruments located easily within reach.
- An adjustable height table that can be raised or lowered to provide optimal working height for different-sized users should be one of the primary considerations when improving ergonomics.
- A saddle-sitting position in which the angle at the hip joints is about 45 degrees, with the hips in a position of wide abduction, mitigates most of the spinal musculoskeletal risk factors associated with sitting during dental procedures.
2. Illumination & Magnification
- The introduction of ergonomically designed surgical telescopes, with co-axial illumination (parallel to the line of sight), and attention to the ergonomics of chair design have been demonstrated to prevent or eliminate chronic neck and upper back pain in most cases. DeForge DH. Physical Ergonomics in Veterinary Dentistry. Journal of Veterinary Dentistry. 2002;19(4):196-200
- Consider using loupes as they not only provide illumination and magnification, reducing eye strain, but also encourage good posture to maintain an upright and neutral neck and spine position.
- Key considerations when choosing Loupes: light weight, ergonomic frame design and most importantly, adjustable declination angle (DeForge, 2002) and natural light source.
3. Instruments & Equipment
- Height adjustments on dental units reduce over-extension. Curled or twisted waterlines can act like a spring mechanism pulling on the user’s wrist, so consider swivel couplings on handpieces that reduce resistance and have a comfortable modified pen grip without muscle fatigue.
- The weight, size, shape and material of hand instruments are also essential considerations.
- One size does not fit all! For example, to prevent fatigue and strain injuries, the handles of both Luxators & Elevators should fit comfortably in the palm with the index finger extended to the working end for control. If they are too long, the clinician has to grasp harder, putting both the patient and themselves at risk of injury.
- Dental instruments should be lightweight, appropriate-length instruments that are well maintained – sharp instruments significantly reduce the risk of injuries and shorten the length of the procedure.
The time spent treating dental conditions in your patients is ever-increasing, so it is vital to build good habits that ensure ergonomic work practices.
Need help?
If you need help to ensure your dental equipment is as ergonomic as possible, contact the iM3 team, as we have a range of equipment and instruments that will improve the safety of both your team and your patients. We’re always happy to advise on the best equipment to suit the needs of your team.