Test Bank for Dental Instruments 6th Edition by Boyd

Chapter 01: Basic Dental Instruments
Boyd: Dental Instruments, 6th 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. A and C
e. All of the above
ANS: E
The purpose of the mouth mirror is to provide indirect vision, light reflection, and retraction.

REF: Page 3 TOP: CDA, GC, II. Chairside Dental Procedures

2. What is the purpose of the explorer?
a. Retract the lips, cheeks, and tongue.
b. Transfer material from the oral cavity.
c. Examine teeth for decay, calculus, or other abnormalities.
d. All of the above
ANS: C
The thin, sharp, flexible tip is ideal to check the teeth for dental caries and to detect calculus and furcat
injurious to the patient if used for retraction.
The tip of the working end is too small to be used as a transfer instrument.

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 cavity.
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. The probe, mouth mirror, and curette do n

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 are
prophylaxis or periodontal examination. A spoon excavator is used to remove dental caries and is part

REF: Page 11 TOP: CDA, GC, II. Chairside Dental Procedures

5. Which type of mouth mirror reflects magnifies the image?
a. Double-sided mirror
b. Front surface mirror
c. Concave mirror
d. All of the above


ANS: B