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25 Cards in this Set
- Front
- Back
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Right handed dentist operators zone
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7-12 o clock
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Right-handed dentist transfer zone
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4-7 o'clock
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Right-handed dentists assistant zone
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2-4 o'clock
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Right-handed dentist static zone
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12-2 o'clock
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Left-handed dentists operator zone
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12-5 o'clock
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Left-handed dentists transfer zone
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5-8 o'clock
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Left-handed dentists assistants zone
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8-10 o clock
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Left-handed dentists static zone
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10-12 o'clock
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The distance between the patients face and the operators face should be ____ inches
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12-14 inches
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Movement of fingers only. Examples include picking up an instrument or a single object from a flat surface
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Class I
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Operating zones are based on a ____
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Clock concept
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The top of the patients head is towards the __ position
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12 o'clock
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Movement of fingers and wrist. Examples include transferring an instrument with the use of a pen grasp
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Class II
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Movements of fingers, wrist, and elbow. examples include using slow-speed hand piece
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Class III
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__ is the area where the person who completes the procedure is seated
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Operators zone
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Use of entire arm and shoulder. Examples include reaching for items, moving radiography unit.
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Class IV
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__ is the area where instruments and dental materials are exchanged between the dental assistant and dentist
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Transfer zone
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Use of entire upper torso. Examples include bending over to see intraorally
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Class V
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__ located directly behind the patient. If the dental unit has rear delivery, the hand pieces and additional equipment are within this zone.
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Static zone
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__ in which the instrument is held in the same manner as a pen
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Pen grasp
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___ in which the instrument is held securely within the palm of the hand
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Palm grasp
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The instrument is held in the palm, and the thumb is used to stabilize and guide the instrument
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Palm-thumb grasp
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__ the dentist must be in the same treatment area
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Direct supervision
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____ the dentist must be in the dental office but not in the same treatment room
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Indirect supervision
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__ describes viewing an object through the use of a mirror
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Indirect vision
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