Ergonomics is an important and expanding applied science..

Ergonomics is an important and expanding applied science which is concerned with designing and arranging things that are used by a worker in order to facilitate an efficient and effective interaction between both worker and things. It enables people to work smartly rather hardly

Ergonomics mainly aims at decreasing work related musculoskeletal disorders (MSDs). Among several branches dental industry provide a wide scope for ergonomics. When used properly, ergonomics can positively affect dentists and patients as well. According to Journal of American Dental Association (2005), >70% of students reported shoulder problems, neck problems by the end of their third year. Proper position of their body alleviates MSDs of dentists. Also, it drastically reduces the likelihood of improper positioning of patients and doctors which in turn facilitates comfort.

Among several instruments or tools, dental chair which is one of the prerequisites where ergonomics can be applied. Choosing a wise dental chair is significant and influential. Dental chair which is indispensable for a dentist may not be the same for a patient. From a patient’s frame of reference, dental chair may be a seat of fear, where he ought to struggle with pain. a well-designed dental chair plays a crucial role in relieving this discomfort and assuring patient for relaxed, convenient treatment. This feeling of being comfort is the first step for an effective patient- doctor interaction. For a better examination and exploration, dentist depends on improved access to patient’s teeth. Prioritizing superior access over positioning of dentist will eventually lead to MSDs wherein dentists cannot work for longer duration. So, ergonomics based well designed and defined dental chair is not only essential for patients conform but also allows dentists to work more effectively thereby reducing risk of predisposition of MSDs.

Dental Chair, most probably is the first thing that would be noticed by patient and appropriate investment on it becomes obligatory as it manifests its effects both physically and psychologically. But before proceeding towards purchasing a dental chair, important needs that are to be addressed are: It should be able to accommodate different body sizes, maximize patient’s accessibility along with furnishing comfort to patient. Decades ago, procuring a dental chair is very much simple which involves choosing a best color or to have it with an affordable price. There has been increase in the awareness that dental chair is more than a simple tool and when  high end dental chair with in built technologies is used, it proves to be a right choice in not only providing gratification to the patient but also improves the efficiency of practitioner. With increasing awareness, the market for dental chairs has also been increased. Several models with different eminities are being produced in the market.

            In most of the circumstances, experimentation with new dental chair under operating conditions is not feasible. Hence, a great deal of ground work becomes paramount prior to purchase.  Before coming to any conclusion, one needs to consider his/her own experience and drawbacks with the current dental chair they are working with. This often helps in the better understanding of requirements. Further, as technology and research in any area is rapidly being increased, one need to think big and forward in a way that the chosen dental chair can accommodate future needs. Also, before investing on a dental chair, one needs to think for durability

 

An ideal dental chair showing minimal gap between seat and back rest

Several stuff need to considered before choosing a dental chair. They may include- Design components. Design components and dimensions of dental chair should be optimal. Several equipment like x ray unit, RVG sensor, intra oral camera, LCD monitor, suction unit etc. will be accommodated by dental chair. So, the layout of the dental chair should be in such a way that the movement of delivery unit ought to be adequate. Further, chair dimensions should allow accommodate different body sizes, back rest which play a vital role in providing back rest needs to be considered. Often, one should choose a dental chair which has no gap between back rest and the seat which decreases the chances of compromised lumbar support. Besides, appealing appearance and chair upholstery would increase the ambience of dental chair and also patients comfort is maximized.

Different accessory components such as operating light also need to be contemplated on before choosing dental chair. Intensity of the light can be controlled and the controls should be easier to reach. Also, it would be an added advantage if the brightness settings can be altered to assure proper visibility along with patients comfort. Functionality units such as delivery units, control panels and chair position adjustments also play a necessitious role in dental industry. Delivery units are being customized to exponentially increase the convenience to dentists. Before customizing, one need to even focus on the smooth movement of delivery unit to ensure better ergonomics and durability. Dental chairs are subjected to few positional changes and the changes are dependent on dentist, patient and the treatment. Chair positioning is chief aspect in the efficient dental treatment as it affects operator’s accessibility and visibility to oral cavit

A compact, flexible and user friendly dental chair integrated with X-ray units

 

In conclusion, dental chair is a workbench. Positioning and reclining of dental chair shows significant impact on dental treatment. Dentist’s effectiveness in interdependent on dental chairs effectiveness and the quality of dental chair show profound effects on the dental treatment. So, before selecting a dental chair, much ground work is crucial to determine most suitable and needed dental chairs.

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