dental assisting

Question 1

four handed dentistry goals

Answer 1

provide patient comfort and care

minimize stress and fatigue during complicated dental procedures

Reduce chair time

Question 2

Operator positioning

Answer 2

8-12 right handed

12-4 left handed

Question 3

chair side dental assistants correct seating position

Answer 3

DA stool is 4-6 inches higher than operator

hips at patients shoulders

feet rest on ring so thighs are parallel

arm at level of abdomen and cabinet top over thighs

Question 4

Instrument exchange (4 key points)

Answer 4

Team effort

basic principles of instrument exchange

instrument transfer

transfer zone

Question 5

team effort

Answer 5

dentist standardizes procedures and work in systematic manner

assistant anticipates

Question 6

transfer zone

Answer 6

front of the mouth and at chin level

dentist must signal

dentist stay in transfer zone

dentist does not move finger rest or eye focus

assistant should always have something ready to transfer

Question 7

Basic principles of instrument exchange

Answer 7

firm deliberate movements

accomplished with minimum of motion involving only the fingers wrist and elbow

Question 8

Instrument exchange cascade

Answer 8

assistant picks up next instrument with thumb and index and third finger

assistant positions new instrument PARALLEL to the instrument being used

working end pointed in direction use

little finger of the assistants left hand grasps the instrument at the end opposite to the working end

Question 9

Instrument Transfer

Answer 9

the assistants hand exits the transfer zone to replace used instrument to tray

OR

rotates used instrument into position for reuse (single handed transfer technique)

Question 10

How should you grasp suction (2)

Answer 10

pen grasp

palm thumb grasp

Question 11

Certified Dental Assistant (CDA)

Answer 11

passes the dental assisting nation board

requires 12 continuing education hours a year to maintain CDA status