Deck 14: Assessment of the Dentition

Question 1

Jason is 12 years old and is undergoing orthodontic treatment.At his last recall examination he was found to have no caries but was found to be sporadic in flossing his teeth.What caries risk is he classified as?

A) Low
B) Moderate
C) High
D) Very high

Answer 1

Moderate

Question 2

Referring to the case in question 8,what is the recommended treatment appropriate to Jason's caries risk status?

A) Reinforce flossing,and schedule his next recall appointment for 6 months.
B) Reinforce flossing,and schedule his next recall appointment for 12 months.
C) Reinforce flossing,apply sealants,recommend a home fluoride product,and schedule his next recall appointment for 6 months.
D) Reinforce flossing,apply sealants,monitor mutans streptococcus levels,recommend an antimicrobial agent,and schedule his next recall appointment for 3 to 6 months.

Answer 2

Reinforce flossing,apply sealants,recommend a home fluoride product,and schedule his next recall appointment for 6 months.

Question 3

Attrition is the gradual wearing of the tooth caused by which action?

A) Chemical agents
B) Bruxism or grinding
C) Cervical stress
D) Traumatic toothbrushing

Answer 3

Bruxism or grinding

Question 4

Enamel hypocalcification produces which of the following?

A) Hard pitted surface
B) White spotted appearance
C) Brownish stained surface
D) White flecking near the incisal edge

Question 5

Dental caries found in the interproximal surface of a posterior tooth are classified as which of the following?

A) Class I
B) Class II
C) Class III
D) Class IV

Question 6

Which of the following represents early childhood caries?

A) Progresses slowly over time
B) Usually remineralizes and becomes arrested
C) Occurs at the margins of restorations
D) Commonly affects maxillary anterior teeth

Question 7

Enamel hypoplasia is the result of a disturbance in which cells and formation period?

A) Ameloblasts during matrix formation
B) Ameloblasts during mineralization
C) Fibroblasts during matrix formation
D) Fibroblasts during mineralization

Question 8

Overjet is which of the following?

A) Horizontal overlap between the buccal surfaces of the maxillary incisors and the labial surfaces of the mandibular incisors
B) Vertical overlap between the maxillary and mandibular incisors
C) Molars erupted into an end-to-end position
D) Horizontal overlap between the lingual surfaces of the maxillary incisors and the labial surfaces of the mandibular incisors

Question 9

Why are clinicians advised to use "sharp eyes and blunt explorers" when conducting a clinical examination?

A) Many clinicians fail to see caries.
B) Blunt explorers remove bacteria better.
C) Sharp explorers may cause cavitation of the lesion.
D) Blunt explorers prevent the spread of the microorganisms from one tooth to another.

Question 10

Which of the following describes Class II malocclusion?

A) The molar relationship is such that the mandibular first permanent molar is situated mesially to the maxillary first permanent molar.
B) The molar relationship is such that the mandibular first permanent molar is situated mesially to the maxillary first permanent molar and may include crowded alignment of the anterior teeth.
C) The buccal groove of the mandibular first permanent molar is situated distally to the mesiobuccal cusp of the maxillary first permanent molar by at least the width of a premolar.
D) The buccal groove of the mandibular first permanent molar is situated mesial to the mesiobuccal cusp of the maxillary first permanent molar by at least the width of a premolar.

Question 11

Which of the following microorganisms is the primary causative agent in the dental caries process?

A) Lactobacillus
B) Prevotella intermedia
C) Mutans streptococci
D) Porphyromonas gingivalis