DH 101 Final Test with 100% Correct
Answers
The clinical crown is the part of the tooth below the attached periodontal tissues. B) The
clinical root is the part of the tooth below the base of the gingival sulcus or periodontal
pocket. - ANS-False, True
The function of cementum is to: - ANS-Seal the tubules of the root dentin and provide
attachment for the periodontal fiber groups.
The gingival sulcus is the: - ANS-Crevice between the free gingiva and the tooth
What is a Class I embrasure? - ANS-The tip of the interdental papilla is apical to the
contact point of adjacent teeth, but the interproximal CEJ is not visible.
Which of the following should not be designated as clinically normal or clinically
healthy? - ANS-Smooth, soft, and maximal sulcus depth with bleeding when probed.
A) Factors that influence color are vascular supply, thickness of epithelium, and degree
of keratinization. B) Chronic inflammation appears as a dark red, bluish red, magenta,
or deep blue. - ANS-Both statements are true.
All of the following are factors that affect probe determinations except: - ANS-Patient
age
A) A probe is a slender instrument with a rough, pointed tip designed for examination of
the depth and topography of a gingival sulcus or periodontal pocket.
B) A probe has three parts: the handle, the angled shank, and the working end. - ANS-
Statement A is false and statement B is true
The incidence of gingivitis is greatest in what area? - ANS-Interdental tissues
A) A periodontal pocket is a pocket formed by gingival enlargement without apical
migration of the junctional epithelium. B) A gingival pocket is a pocket formed as a result
of disease or degeneration that caused the junctional epithelium to migrate along the
cementum. - ANS-Both statements are false.
All of the following are steps that promote oral cleanliness and prevent deposits on the
teeth, except: - ANS-Frequent snacking
, A) Smokers tend to have increased bone loss. B) An association between periodontal
disease and all forms of tobacco has not been established. - ANS-Statement A is true
and statement B is false.
A sulcus or a pocket has a gingival side and a tooth side. The gingival side is: - ANS-
Sulcular epithelium
Irregular alignment of a single tooth or groups of teeth that leaves areas conducive to
collection of microorganisms for biofilm formation is considered: - ANS-Malocclusion
The following medications induce gingival enlargement, except: - ANS-Synthroid
Which of the following acts as a barrier to keep infection out? - ANS-Junctional
epithelium
Which of the following can influence the occurrence and severity of periodontitis? -
ANS-Diabetes mellitus
Obesity
Osteoporosis
An individual can be in the "high-risk" or "low-risk" category for development of dental
caries. All of the following factors are low-risk factors in the development of dental
caries for adults except one. Which one of the following factors is not low risk? - ANS-
Poor manual dexterity
A) Sealants are recommended for patients with low risk factors. B) Properly placed
sealants close off the pits and fissures where microorganisms can live. - ANS-
Statement A is false and statement B is true.
Which of the following is a behavioral risk factor for dental caries? - ANS-Inadequate
biofilm removal
Saliva has many protective functions in the oral cavity. Which of the following is the
most important protective property of saliva in the caries process? - ANS-Buffering of
acids
What does the "M" in CAMBRA stand for? - ANS-Management
Which of the following bacteria are the infectious organisms that colonize the teeth, help
to form dental biofilm, and are responsible for the dental caries process? - ANS-
Streptococcus mutans
Which of the following is a moderate risk factor for dental caries? - ANS-Multiple
restorations
Which of the following is not a fermentable carbohydrate? - ANS-Xylitol
Answers
The clinical crown is the part of the tooth below the attached periodontal tissues. B) The
clinical root is the part of the tooth below the base of the gingival sulcus or periodontal
pocket. - ANS-False, True
The function of cementum is to: - ANS-Seal the tubules of the root dentin and provide
attachment for the periodontal fiber groups.
The gingival sulcus is the: - ANS-Crevice between the free gingiva and the tooth
What is a Class I embrasure? - ANS-The tip of the interdental papilla is apical to the
contact point of adjacent teeth, but the interproximal CEJ is not visible.
Which of the following should not be designated as clinically normal or clinically
healthy? - ANS-Smooth, soft, and maximal sulcus depth with bleeding when probed.
A) Factors that influence color are vascular supply, thickness of epithelium, and degree
of keratinization. B) Chronic inflammation appears as a dark red, bluish red, magenta,
or deep blue. - ANS-Both statements are true.
All of the following are factors that affect probe determinations except: - ANS-Patient
age
A) A probe is a slender instrument with a rough, pointed tip designed for examination of
the depth and topography of a gingival sulcus or periodontal pocket.
B) A probe has three parts: the handle, the angled shank, and the working end. - ANS-
Statement A is false and statement B is true
The incidence of gingivitis is greatest in what area? - ANS-Interdental tissues
A) A periodontal pocket is a pocket formed by gingival enlargement without apical
migration of the junctional epithelium. B) A gingival pocket is a pocket formed as a result
of disease or degeneration that caused the junctional epithelium to migrate along the
cementum. - ANS-Both statements are false.
All of the following are steps that promote oral cleanliness and prevent deposits on the
teeth, except: - ANS-Frequent snacking
, A) Smokers tend to have increased bone loss. B) An association between periodontal
disease and all forms of tobacco has not been established. - ANS-Statement A is true
and statement B is false.
A sulcus or a pocket has a gingival side and a tooth side. The gingival side is: - ANS-
Sulcular epithelium
Irregular alignment of a single tooth or groups of teeth that leaves areas conducive to
collection of microorganisms for biofilm formation is considered: - ANS-Malocclusion
The following medications induce gingival enlargement, except: - ANS-Synthroid
Which of the following acts as a barrier to keep infection out? - ANS-Junctional
epithelium
Which of the following can influence the occurrence and severity of periodontitis? -
ANS-Diabetes mellitus
Obesity
Osteoporosis
An individual can be in the "high-risk" or "low-risk" category for development of dental
caries. All of the following factors are low-risk factors in the development of dental
caries for adults except one. Which one of the following factors is not low risk? - ANS-
Poor manual dexterity
A) Sealants are recommended for patients with low risk factors. B) Properly placed
sealants close off the pits and fissures where microorganisms can live. - ANS-
Statement A is false and statement B is true.
Which of the following is a behavioral risk factor for dental caries? - ANS-Inadequate
biofilm removal
Saliva has many protective functions in the oral cavity. Which of the following is the
most important protective property of saliva in the caries process? - ANS-Buffering of
acids
What does the "M" in CAMBRA stand for? - ANS-Management
Which of the following bacteria are the infectious organisms that colonize the teeth, help
to form dental biofilm, and are responsible for the dental caries process? - ANS-
Streptococcus mutans
Which of the following is a moderate risk factor for dental caries? - ANS-Multiple
restorations
Which of the following is not a fermentable carbohydrate? - ANS-Xylitol
