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Ergonomics In Dentistry
1.
2. Ergonomics is “the scientific discipline concern with the understanding
of interactions among human and other elements of a system,and the
profession that applies theory,principles,data and methods to design
In order to optimise human well being and overall system performance.”
The International Ergonomics Association
3. Dentists all around the world have been challenged with
issues related to the musculoskeletal system. This mainly
occurs due to uncomfortable posture in the work area.
This uncomfortable posture frequently results in muscular
disorders.
4. Occupation related diseases are increasing day
by day and one amongst them is
musculoskeletal disorders (MSDs) due to
improper ergonomics in dentistry.
Knowledge of ergonomics is thus of great value
in preventing ill-health and injury from work.
7. 1. Reducing the risk of MDS.
2. Increasing productivity.
3. Increasing safety.
4. Improving the quality of work.
5. Decreasing fatigue and errors
8. Some Symptoms of
Musculoskeletal disorders
(MSDs):
• Excessive fatigue in the
shoulders and neck
• Tingling, burning, or other
pain in arms
• Weak grip, cramping of
hands
• Numbness in fingers and
hands
• Clumsiness and dropping of
objects
• Hypersensitivity in hands
and fingers
Some Signs of MSD
Decreased range of
motion
Loss of normal sensation
Decreased grip strength
Loss of normal
movement
Loss of co-ordination
9. With specific reference to dentistry, the
risk factors include:
Stress,
Poor flexibility,
Improper positioning,
Infrequent breaks,
Repetitive movements,
Weak postural muscles,
Prolonged awkward postures ,
Improper adjustment of equipment.
10. Prolonged Static Postures
Muscle Ischemia/Necrosis/Imbalances
Hypomobile Joints
Spinal Disc Herniation and Degeneration
Neck and Shoulder Injury
Carpel Tunnel Syndrome
Low Back Pain
Psychosocial Factors
12. Maintain An Erect Posture
Use an adjustable chair with lumbar, thoracic and arm support
Work close to your body
Minimize excessive wrist movements
Avoid excessive finger movements
Alternate work positions
Adjust the height of your chair and the patient’s chair to a
comfortable level
Consider horizontal patient positioning
Check Placement of the adjustable light
Check the temperature in the room
13. Maintain the Low Back Curve
Tilted Seat Plan
Saddle Stools
Lumbar Support Of Chair
Avoid Static Postures
14. Use Magnification
Body Strenghtening Excercises
Weight Control
Scheduling
Potential Strategies
Vary Procedures within same appointment
Alternate tough and easy patients
Shorten pateint’s recall interval
22. The successful application of ergonomics
assures high productivity, avoidance of
illnesses and injuries, and increased
satisfaction among workers. Unsuccessful
application, on the other hand, can lead to
work-related musculoskeletal disorders
(WMSDs). Good ergonomic design of tools,
processes and furniture does improve
personnel comfort, health, morale,
productivity and readiness. So, take charge
of your health and stay fit and healthy !