Ethics & Law · single question

Which of the following would NOT worsen ergonomic conditions for the dentist?

  1. High-speed handpiece vibration
  2. Inadequate chair height and support
  3. Using dental loupes (magnification)
  4. Prolonged static postures
Show answer and explanation

Correct answer: C. Using dental loupes (magnification)

Dental loupes IMPROVE ergonomics — allow upright posture with proper lordosis instead of hunching forward. All other options worsen ergonomics. Source confirms: 'todo lo que puede empeorar la ergonomía EXCEPTO: lupas dentales.'
  • A. High-speed vibration causes vibration-induced white finger and nerve damage — worsens ergonomics.
  • B. Inadequate support causes musculoskeletal disorders — worsens ergonomics.
  • C. CORRECT (the EXCEPT). Dental loupes IMPROVE ergonomics by enabling upright posture and better visibility.
  • D. Prolonged static postures cause musculoskeletal fatigue and injury — worsens ergonomics.

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