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DH203 Periodontology Exam Quiz Questions Latest
Exam Solved Questions & Answers Verified 100% Graded
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It is important to use both clinical findings and radiographs during the clinical
assessment process.
True
False
True
The clinical measurement(s) that determine(s) the difference between
gingivitis and
periodontitis is the __________________.
a) Clinical loss of attachment
c) Pocket depth readings
d) Clinical mobility and furcation involvement
a) Clinical loss of attachment
A biofilm is:
d) An acellular translucent film thriving on moist surfaces
b) A well-organized community of bacteria
a) Free-floating bacteria loosely connected
c) A calcified community of bacteria difficult to remove
b) A well-organized community of bacteria
All of the following are classified as periodontal pathogens capable of
colonizing the mouth, EXCEPT:
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c) Tannerella forsythia
a) A. odontolyticus
b) A. actinomycetemcomitans
a) A. odontolyticus
All of the following statements are true about biofilm, EXCEPT:
a) Biofilm is a well-organized community of bacteria that adheres to surfaces
c) Biofilm only forms on dry surfaces
d) An example of biofilm is tobacco stain on teeth
b) Bacteria in biofilm are embedded in an extracellular slime layer
c) Biofilm only forms on dry surfaces
Early colonizers of the plaque biofilm are:
d) Anaerobic bacteria
b) Gram-positive bacteria
c) Motile bacteria
a) Gram-negative bacteria
b) Gram-positive bacteria
How do bacteria adhere during the process of coaggregation to a tooth
surface?
c) Each bacterial strain only has a limited set of bacteria to which it can adhere
b) Only one species of bacteria can attach within a biofilm community
d) The late bacterial colonizers determine the nature of the biofilm colony and
are more
significant than the earlier colonizers
a) The bacteria randomly attach to one another
c) Each bacterial strain only has a limited set of bacteria to which it can adhere
Periodontitis is associated with high proportions of:
c) Gram-negative bacteria
b) Nonmotile bacteria
d) Innocuous bacteria
a) Aerobic bacteria
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c) Gram-negative bacteria
The first bacteria to colonize the tooth surface are:
b) Pathogenic
a) Nonpathogenic
d) Anaerobic
a) Nonpathogenic
The most successful means of destroying plaque biofilm on teeth is:
c) Mechanical removal
d) Antimicrobial rinse
a) Double dose of antibiotics
b) Oxygen
c) Mechanical removal
The protective factor that can prevent biofilm from being killed with antibiotics,
antimicrobials, or the body's immune system is called:
b) Fluid channels
d) Leukocytes
c) Microcolonies
a) Extracellular matrix (slime layer)
a) Extracellular matrix (slime layer)
Which of the following are believed to play an important role in periodontitis?
c) Gram-positive bacteria
b) Gram-negative bacteria
d) Nonpathogenic bacteria
a) Innocuous bacteria
b) Gram-negative bacteria
Which of the following species is considered to be the most important
bacterial risk factor
that distinguishes individuals with periodontitis from those who are
periodontally healthy?
DH203 Periodontology Exam Quiz Questions Latest
Exam Solved Questions & Answers Verified 100% Graded
A+ (Latest Version) Well Revised Guarantee Pass
It is important to use both clinical findings and radiographs during the clinical
assessment process.
True
False
True
The clinical measurement(s) that determine(s) the difference between
gingivitis and
periodontitis is the __________________.
a) Clinical loss of attachment
c) Pocket depth readings
d) Clinical mobility and furcation involvement
a) Clinical loss of attachment
A biofilm is:
d) An acellular translucent film thriving on moist surfaces
b) A well-organized community of bacteria
a) Free-floating bacteria loosely connected
c) A calcified community of bacteria difficult to remove
b) A well-organized community of bacteria
All of the following are classified as periodontal pathogens capable of
colonizing the mouth, EXCEPT:
, Page 2 of 23
c) Tannerella forsythia
a) A. odontolyticus
b) A. actinomycetemcomitans
a) A. odontolyticus
All of the following statements are true about biofilm, EXCEPT:
a) Biofilm is a well-organized community of bacteria that adheres to surfaces
c) Biofilm only forms on dry surfaces
d) An example of biofilm is tobacco stain on teeth
b) Bacteria in biofilm are embedded in an extracellular slime layer
c) Biofilm only forms on dry surfaces
Early colonizers of the plaque biofilm are:
d) Anaerobic bacteria
b) Gram-positive bacteria
c) Motile bacteria
a) Gram-negative bacteria
b) Gram-positive bacteria
How do bacteria adhere during the process of coaggregation to a tooth
surface?
c) Each bacterial strain only has a limited set of bacteria to which it can adhere
b) Only one species of bacteria can attach within a biofilm community
d) The late bacterial colonizers determine the nature of the biofilm colony and
are more
significant than the earlier colonizers
a) The bacteria randomly attach to one another
c) Each bacterial strain only has a limited set of bacteria to which it can adhere
Periodontitis is associated with high proportions of:
c) Gram-negative bacteria
b) Nonmotile bacteria
d) Innocuous bacteria
a) Aerobic bacteria
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c) Gram-negative bacteria
The first bacteria to colonize the tooth surface are:
b) Pathogenic
a) Nonpathogenic
d) Anaerobic
a) Nonpathogenic
The most successful means of destroying plaque biofilm on teeth is:
c) Mechanical removal
d) Antimicrobial rinse
a) Double dose of antibiotics
b) Oxygen
c) Mechanical removal
The protective factor that can prevent biofilm from being killed with antibiotics,
antimicrobials, or the body's immune system is called:
b) Fluid channels
d) Leukocytes
c) Microcolonies
a) Extracellular matrix (slime layer)
a) Extracellular matrix (slime layer)
Which of the following are believed to play an important role in periodontitis?
c) Gram-positive bacteria
b) Gram-negative bacteria
d) Nonpathogenic bacteria
a) Innocuous bacteria
b) Gram-negative bacteria
Which of the following species is considered to be the most important
bacterial risk factor
that distinguishes individuals with periodontitis from those who are
periodontally healthy?
