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Modern Dental Assisting 13th Edition By Doni L. Bird; Debbie S. Robinson 9780323624855 Chapter 1-64 Complete Guide .
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Modern Dental Assisting 13th Edition By Doni L. Bird; Debbie S. Robinson 9780323624855 Chapter 1-64 Complete Guide .

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  • August 24, 2024
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Test Bank For Modern Dental Assisting 13th Edition By Doni L.
Bird; Debbie S. Robinson 9780323624855 Chapter 1-64
Complete Guide .
Permanent Dentition is made up of how many teeth? - ANSWER: 32

Which teeth are sometimes called "eye teeth"? - ANSWER: Canines

Which proximal surface of a tooth is closest to the midline of the body? - ANSWER: Mesial

Permanent dentition is composed of how many premolars? - ANSWER: 8

When a mouth is divided into fourths, what are the parts referred to as? - ANSWER: Quadrants

Using the universal system of tooth designation, what tooth is #12? - ANSWER: Maxillary left first
premolar

Using the international standards organization system of tooth recording, which tooth is #25? -
ANSWER: Maxillary left second premolar

What is the structure that connects cementum to the alveolar bone? - ANSWER: PDL: Periodontal
Ligament

On a chart a gold crown is marked by: - ANSWER: Diagonal lines through the crown

A dental assistant is preparing to chart a new patient's treatment plan for the doctor. Tx provided in a
previous dental office should be charted in color? - ANSWER: Black

Two red vertical lines drawn between the upper central incisors on a patient chart would indicate:
a) extraction of mesiodens
b) diastema
c) drifting
d) fixed bridge - ANSWER: B) Diastema

Recommended technique for determining a patient's pulse or respiration rate is to: - ANSWER:
Measure by 30 seconds and multiply by 2

To determine how much to inflate a BP cuff for an accurate reading, you must measure BPM and add
___ to determine inflation level - ANSWER: 40 mmHg

Average adult respiration rate is: - ANSWER: 10-20

What is the normal pulse rate in a resting adult? - ANSWER: 60-100 bpm

Standard practice provides, and some state laws require, that a signed privacy policy be kept in a
patient's file for a minimum of __ year(s).
A) 1
B) 2
C) 3
D) None of the above - ANSWER: D) None of the above
Some practices keep them for 6 years, some states require 5 years minimum

What is not part of a dental exam?
A) Radiographs

,B) Soft Tissue Inspection
C) Impressions
D) Health History Review - ANSWER: D) Health History Review
Not part of the dental exam but should be considered when assessing the patient's needs

What classification of decay is located on the gingival third on the facial or lingual surfaces of teeth? -
ANSWER: Class V (5)

Which teeth are Class IV (4) decay located on? - ANSWER: Incisors

What is another name for the neck of the tooth? - ANSWER: CEJ
Cementoenamel Junction

What type of tissue covers alveolar bone attaching to the teeth at the margin of the gumlines? -
ANSWER: Epithelial Attachment

What is the tissue that divides the nasal cavity into 2 parts? - ANSWER: Septum

Which nerve is the primary nerve for the mouth? - ANSWER: Trigeminal

The pituitary gland is part of what body system? - ANSWER: Endocrine

What position places the chair back until the patient is almost lying down? - ANSWER: Supine

What is the best method of identifying working positions by a dental auxiliary?
A) Ergonomics
B) Clock Conception
C) Patient Cooperation
D) Range of Motion - ANSWER: B) Clock conception
Dividing the tx area into zones helps to identify the appropriate working positions

When transferring an instrument from a right-handed operator, the assistant uses the ___ finger(s) on
their left hand. - ANSWER: last two

When transferring an instrument to the dentist, the dental assistant should:
A) transfer w/ sharp edge pointing toward them
B) transfer w/ working end facing the dentist
C) transfer w/ working end facing themselves
D) transfer w/ working end facing down - ANSWER: C) Transfer w/ working end facing themselves
Allows the dentist to receive the instrument in a way that allows immediate use w/o adjustment

Most of the time a dental assistant will be working in what "time zone" during a procedure? -
ANSWER: 2-4

Which chair has a foot bar for support? - ANSWER: Assistant's chair

High volume evacuator tips should be placed slightly __ to the tooth being prepared
A) Occlusal
B) Lingual
C) Buccal
D) Distal - ANSWER: Distal

What isolation method is appropriate for one or several teeth?
A) Cotton rolls
B) Dry angles
C) Dental dam
D) High volume evacuator - ANSWER: C) Dental Dam

,When setting up for a RCT appointment, what size hole punch is needed for premolar and canines on
a dental dam? - ANSWER: No. 3

When removing a dry cotton roll from the mouth:
A) Moisten w/ water before removal
B) Grip firmly w/ cotton pliers
C) Retract lip
D) Use suction to assist - ANSWER: A) Moisten with water before removal

Which is NOT a contraindication for the use of N2O2?
A) Anemia
B) Pregnancy
C) Common Cold
D) Emphysema - ANSWER: A) Anemia

What part of the gas machine houses the nitrous oxide and oxygen to combine them together for the
patient to breathe? - ANSWER: Reservoir Bag

Nitrous oxide has been used on a patient. How many minutes after should the patient remain on
100% oxygen? - ANSWER: 5 minutes

Which of the following is an approved method by the CDC for re-capping a used needle?
A) Using a recapping device
B) Single-handed swoop
C) Both A and B
D) None of the above - ANSWER: C) Both A and B

A long needle, 1 5/8 inch length is used for what type of injections?
A) Infiltration
B) Periodontal Ligament
C) Palatal Block
D) Mandibular Block - ANSWER: D) Mandibular Block

What type of injection involves the tissues near the apex of a tooth?
A) Block
B) Nerve block
C) Periodontal ligament injection
D) Infiltration - ANSWER: D) Infiltration

Which of the following is NOT a health concern when it comes to selecting the appropriate term of
local anesthetic?
A) Pregnancy
B) Joint Replacement
C) Elevated Blood Pressure
D) Cardiovascular Disease - ANSWER: B) Joint Replacement

What is added to an anesthetic agent to lengthen the effect by decreasing blood flow? - ANSWER:
Vasoconstrictors

How long should topical anesthetic be applied to the mucosa prior to an injection? - ANSWER: 2-5
minutes

What may be added to burs in order to shorten preparation time by improving cutting ability? -
ANSWER: Diamond stones

Which of the following burs would be appropriate for a crown-prep setup tray?

, A) Round bur
B) Flame-shaped bur
C) Round end taper bur
D) Pear bur - ANSWER: B) Flame shaped bur
Used to make adjustments in crown preps

Low speed handpieces are used for - ANSWER: Prophy angles

What type of handpiece operates at speeds of up to 450,000 rpm? - ANSWER: High Speed

A 16 y/o female has an appt for a MOD amalgam on #14. What instrument is used to carve amalgam
on the occlusal surface of the tooth? - ANSWER: Diskoid/Cleoid

Which of the following is NOT a step in sealant placement?
A) Isolation
B) Preparation
C) Fluoridation
D) Curing - ANSWER: C) Fluoridation

Which of the following would a bristled brush style prophy angle NOT be appropriate to use on?
A) Pits
B) Fissures
C) Dentin
D) Enamel - ANSWER: C) Dentin

What type of stain is on the surface of enamel and may be removed through hand scaling or rubber
cup polishing? - ANSWER: Extrinsic

What is done to ensure the prevention of removing small amounts of enamel during coronal
polishing? - ANSWER: Selective Polishing

A gingival retraction cord:
A) Extends impression area slightly below finished prep
B) Extends impression 2mm below gingival margin
C) Assures no gingival overgrowth in areas of crown prep
D) Prevents impression material from entering into the sulcus - ANSWER: A) Extends impression area
slightly below finished prep

Which of the follow can prevent a hemorrhage during a crown prep?
A) Using a wider retraction cord
B) Using a poly-cotton blend retraction cord
C) Using 100% cotton retraction cord
D) Saturating the retraction cord in astringent and vasoconstrictor - ANSWER: D) Saturating the
retraction cord in astringent and vasocontrictor

Which of the follow would contraindicate a partial denture?
A) The need to replace several teeth in one quadrant
B) Periodontal disease which may threaten teeth
C) A patient that cannot tolerate the treatment procedures of a fixed bridge
D) Good oral hygiene - ANSWER: B) Periodontal Disease

Which of the following is a metal extension on a partial denture, which rests on the alveolar ridge and
holds the artificial teeth?
A) Retainer
B) Framework
C) Saddle
D) Rests - ANSWER: C) Saddle

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