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Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
Mechanisms Leading To Musculoskeletal Disorders In Dentistry  1
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Mechanisms Leading To Musculoskeletal Disorders In Dentistry 1

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    • 1. بسم الله الرحمن الرحيم Mechanisms leading to musculoskeletal disorders in dentistry
    • 2. What Factors Contribute to WMSDs?
    • 3. WMSD Symptoms Among Dentists Source: Finsen et al., 1998
    • 4. WMSD Symptoms Among Dental Hygienists Source: Liss et al., 1995 * indicates difference is significant
    • 5.
      • Prevalence of musculoskeletal disorders among orthodontists in Alberta
      Neck
    • 6.
      • In a 1946 study, Biller found operators.
    • 7.  
    • 8. What Factors Contribute to WMSDs?
      • Fixed or awkward postures
        • Neck, back, shoulder posture
        • Hand/wrist positions
        • Standing/sitting
        • Operatory organization
        • Patient positioning
    • 9.
      • When operators sit, pain occurs not only in their backs , but also their necks , shoulders and arms .
    • 10.
      • operators who primarily stood experienced low back pain (65.7 percent), as well as neurocirculatory disease including varicose veins (66.7 percent), postural defects (77 percent) and flatfoot (60.1 percent).
    • 11. Contributing Factors for WMSDs
      • Do not focus solely on the workplace
        • Risk factors may be experienced during non-occupational activities (e.g., certain sports, exercising, working with computers, needlework, playing musical instruments)
    • 12. Neck and Shoulder Disorders bahu dan leher gangguan
      • Risk factors associated with dentistry
        • Prolonged static neck flexion and shoulder abduction or flexion
        • Lack of upper-extremity support
        • Inadequate work breaks
    • 13.  
    • 14. MUSCLE IMBALANCES
      • Forward bending
      • Repeated rotation of the head, neck and trunk to one side
      • Over time, the muscles responsible for rotating the body to one side can become stronger and shorter , while the opposing muscles become weaker and elongated
    • 15.
      • lengthening
      shortening
    • 16.  
    • 17. lengthening or shortening muscle imbalance ketidakseimbangan otot
    • 18. Pectoralis minor Shortening

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