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  1. True four‑handed dentistry is the _______________.
  1. To practice true four‑handed dentistry, all of the following criteria must be met EXCEPT:
  1. Considering the five categories of motion classification, a Class III motion is when _______________.
  1. The zones of activity in four‑handed dentistry include all of the following EXCEPT:
  1. The zones of activity that should be avoided to decrease stress during chairside procedures are ____________.
  1. Strategies for the operator/dentist in four‑handed dentistry include all of the statements listed below EXCEPT:
  1. Strategies for the dental assistant in four‑handed dentistry include:
  1. If one moved the entire torso to reach for an instrument on the counter, this would be a motion classified as ____________.
  1. The team must be aware of each other’s needs, recognize the need to reposition the patient and operating team, as necessary to reduce strain, improve access and visibility, and reduce unnecessary movement by transferring instruments only within the transfer zone.
  1. Some of the excuses for not practicing ergonomic dentistry are _______________.
  1. The operator’s zone for a right-handed operator extends from 7 to 12 o’clock, the assistant’s zone from 12 to 3 o’clock, the instrument transfer zone from 4 to 7 o’clock, and the static zone from 12 to 2 o’clock.
  1. When using a microscope the dentist is able to sit at which position and maintain good vision while moving the patient’s head into the path of vision?
  1. Suggestions for conserving motion in dentistry include:
  1. The computer keyboard should be 1-3 inches below elbow height.
  1. The principles of motion economy practiced in the treatment room can also be applied to the dental business office.