Why does a dental chair have a thin and narrow back?
a. To allow __________ ______________ to be placed nearby.
b. To allow room for the dental officer and dental specialist to
List the characteristics of operating stools. They must:
a. Have a broad base for _______________________.
b. Be completely ___________________.
Have good ________________ and/or _________________ support.
Describe the characteristics of operating light.
a. Lighting should be _____________________.
b. It should be easily _____________________.
It should have _________________________ on both sides.
The operating position of the dental specialist is in the:
a. 2 to 4 o'clock position.
b. 7 to 12 o'clock position.
4 to 7 o'clock position.
Identify standards for operating positions.
a. The patient's chair height must be positioned so that the zone of operations is
b. The dental specialist's thighs are ________________ to the floor or slightly
_________ to offer support and to facilitate good blood circulation to the