PERIODONTICS EXAM 1 NEWEST
2025/2026 QUESTIONS AND DETAILED
CORRECT ANSWERS | A+ GRADE
VERIFIED ANSWERS
A dental hygienist gently calibrated periodontal probe into
a sulcus. one side of the working end of the probe touches
the tooth surface as the probe is inserted. During the
process of insertion the other side of the probe is touching
which of the following anatomical structures? Correct
Answer sulcular epithelium
A dental hygienist inserts a periodontal probe into deep 6
mm periodontal pocket until it reaches the base of the
pocket? Correct Answer junctional epithelium
A patient has a healthy periodontium. If the hygienist could
see the microscopic structures of this patient's
periodontium how would the interface of the JUNCTIONAL
epithelium with the gingival connective tissue appear
Correct Answer it would have a smooth interface
The ginigival connective tissue would be very weak and
tend to fall aprart if not for which of the following Correct
Answer extracellular matrix
The mat of extracellular matrix that separates epithelial
sheets from underlying connective tissue is called Correct
Answer basal lamina
,Epithelium does not contain blood vessels. Epithelium is a
nonvital tissue that does not require nourishment to
maintain cells. Correct Answer The first statement is true,
second is false
All of the following statements about keratinization are true
except Correct Answer Although keratinized tissue is very
strong it is also very flexible
The difference between a desmosome and
hemidesmosome is that Correct Answer A desmosome
connects two cells together and hemidesmosome
connects cell to the basal lamina
All the following are examples of connective tissue
EXCEPT Correct Answer the outermost layer of the skin
Which of the following gives connective tissue the strength
to withstand mechanical forces Correct Answer
extracellular matrix
Which of the following tooth structures is an example of
epithelial tissue Correct Answer enamel
Epithelium ALWAYS meets connective tissue in a smooth
pattern. The strong adhesion of epithelium allows skin to
resist mechanical forces. Correct Answer The first
statement is false;second is true
, All of the following are anatomical areas of gingival
epithelium except Correct Answer free gingival epithelium
All of the following are true of epithelium except Correct
Answer it is permeable allowing for flow of crevicular fluid
The epithelium that joins the gingiva to the tooth surface at
the base of the sulcus is Correct Answer junctional
epithelium
Which of the following is TRUE about junctional epithelium
Correct Answer The cells are connected to neighboring
epithelial cells by desmosomes
In health, the junctional epithelium has a wavy tissue
interface with connective tissue. The junctional epithelium
provides a protective barrier between plaque biofilm and
connective tissue. Correct Answer The first statement is
false; the second is true
The dentinogingival unit consists of the junctional
epithelium and which other tissue Correct Answer gingival
fibers
All the following are true of gingival fibers except Correct
Answer They prevent plaque biofilm from entering the
gingival connective tissue
Which of the following groups of fibers encircles the tooth
in a ring-like manner Correct Answer circular
2025/2026 QUESTIONS AND DETAILED
CORRECT ANSWERS | A+ GRADE
VERIFIED ANSWERS
A dental hygienist gently calibrated periodontal probe into
a sulcus. one side of the working end of the probe touches
the tooth surface as the probe is inserted. During the
process of insertion the other side of the probe is touching
which of the following anatomical structures? Correct
Answer sulcular epithelium
A dental hygienist inserts a periodontal probe into deep 6
mm periodontal pocket until it reaches the base of the
pocket? Correct Answer junctional epithelium
A patient has a healthy periodontium. If the hygienist could
see the microscopic structures of this patient's
periodontium how would the interface of the JUNCTIONAL
epithelium with the gingival connective tissue appear
Correct Answer it would have a smooth interface
The ginigival connective tissue would be very weak and
tend to fall aprart if not for which of the following Correct
Answer extracellular matrix
The mat of extracellular matrix that separates epithelial
sheets from underlying connective tissue is called Correct
Answer basal lamina
,Epithelium does not contain blood vessels. Epithelium is a
nonvital tissue that does not require nourishment to
maintain cells. Correct Answer The first statement is true,
second is false
All of the following statements about keratinization are true
except Correct Answer Although keratinized tissue is very
strong it is also very flexible
The difference between a desmosome and
hemidesmosome is that Correct Answer A desmosome
connects two cells together and hemidesmosome
connects cell to the basal lamina
All the following are examples of connective tissue
EXCEPT Correct Answer the outermost layer of the skin
Which of the following gives connective tissue the strength
to withstand mechanical forces Correct Answer
extracellular matrix
Which of the following tooth structures is an example of
epithelial tissue Correct Answer enamel
Epithelium ALWAYS meets connective tissue in a smooth
pattern. The strong adhesion of epithelium allows skin to
resist mechanical forces. Correct Answer The first
statement is false;second is true
, All of the following are anatomical areas of gingival
epithelium except Correct Answer free gingival epithelium
All of the following are true of epithelium except Correct
Answer it is permeable allowing for flow of crevicular fluid
The epithelium that joins the gingiva to the tooth surface at
the base of the sulcus is Correct Answer junctional
epithelium
Which of the following is TRUE about junctional epithelium
Correct Answer The cells are connected to neighboring
epithelial cells by desmosomes
In health, the junctional epithelium has a wavy tissue
interface with connective tissue. The junctional epithelium
provides a protective barrier between plaque biofilm and
connective tissue. Correct Answer The first statement is
false; the second is true
The dentinogingival unit consists of the junctional
epithelium and which other tissue Correct Answer gingival
fibers
All the following are true of gingival fibers except Correct
Answer They prevent plaque biofilm from entering the
gingival connective tissue
Which of the following groups of fibers encircles the tooth
in a ring-like manner Correct Answer circular
