Boyd: Dental Instruments, 7th Edition
MULTIPLE CHOICE
1. What is the purpose of the mouth mirror?
a. Provide indirect vision.
b. Reflect light into the mouth.
c. Retract the lips, cheeks, and tongue.
d. All options are correct.
ANS: D
The purpose of the mouth mirror is to provide indirect vision, light reflection, and to retract lips, chee
REF: Page 3 TOP: CDA, GC, II. Chairside Dental Procedures
2. What is the purpose of the explorer?
a. Transfer materials to the oral cavity.
b. Transfer materials from the oral cavity.
c. Examine teeth for caries, calculus, and other abnormalities, and measure
periodontal depths.
d. All options are correct.
ANS: C
The explorer has a thin, flexible, pointed tip that can be single or double ended. The explorer is used
calculus, furcations, and other abnormalities. Explorers may be single or double ended. Explorers ma
one end and a periodontal probe on the other to measure periodontal depths. Cotton forceps transfer i
cavity.
REF: Page 5 TOP: CDA, GC, II. Chairside Dental Procedures
3. The main function of this instrument is to grasp and/or transfer material into and out of the oral cavit
a. Curette
b. Mouth mirror
c. Periodontal probe
d. Cotton forceps (pliers)
ANS: D
The main function of cotton forceps is to grasp and transfer items and/or material into and out of the
mouth mirror, and curette do not have features for grasping.
REF: Page 7 TOP: CDA, GC, II. Chairside Dental Procedures
4. Which of the following instruments is part of a basic setup for most dental procedures?
a. Curette
b. Spoon excavator
c. Periodontal probe
d. Cotton forceps (pliers)
ANS: D
The cotton forceps is a useful instrument for most all procedures. The curette and periodontal probe a
prophylaxis or periodontal examination. A spoon excavator is used to remove dental caries and is par
REF: Page 11 TOP: CDA, GC, II. Chairside Dental Procedures
5. Which type of mouth mirror reflects and magnifies the image?
a. Double-sided mirror
b. Front surface mirror