DENTAL DECKS REAL EXAM ALL COMBINED
PRACTICE QUESTIONS WITH 100% CORRECT
ANSWERS NEWLY MODIFIED EXAM
Which statement regarding an autogenous free gingival graft is not true?
a. It can be placed to prevent further recession
b. It can be used to effectively widen the attached gingiva
c. It retains its own blood supply and is not dependent on the bed of recipient blood vessels
d. The greatest amount of shrinkage occurs within the first 6 weeks
e. It is also useful for covering non-pathologic dehiscences and fenestrations -- ANSWER--c.
It retains its own blood supply and is not dependent on the bed of recipient blood vessels
All of the following statements regarding periodontal flaps are true, except:
a. Full thickness periodontal flaps involve reflecting all of the soft tissue, including the
periosteum to expose the underlying bone
b. The partial thickness periodontal flap includes only the epithelium and a layer of the
underlying connective tissue
c. Both full thickness and partial thickness periodontal flaps can be displaced
d. Flaps from the palate are considered easier to be displaced than any other region
e. Flaps should be uniformly thin and pliable -- ANSWER--d. Flaps from the palate are
considered easier to be displaced than any other region
Which of the following are clinical criteria used for diagnosing gingivitis?
a. Color of gingiva
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,b. Contour of gingiva
c. Tone of gingiva
d. Size of gingiva
e. Bacterial plaque and calculus
f. All of the above -- ANSWER--f. All of the above
The most important plaque retentive factor is:
a. Subgingival and/or overhanging margins of restorations
b. Carious lesions that extend subgingivally
c. Calculus
d. Furcations exposed by loss of attachment and bone
e. Crowded and map-aligned teeth
f. Root grooves and concavities -- ANSWER--c. Calculus
The junctional epithelium in health is:
a. A collar-like band of stratified columnar epithelium 2-5 cells thick near the sulcus and 1-2
cells thick at the apical end
b. A collar-like band of stratified squamous epithelium 10-20 cells thick near the sulcus and
2-3 cells thick at the apical end
c. A collar-like band of simple columnar epithelium 5-10 cells thick near the sulcus and 20-
25 cells thick at the apical end
d. A collar-like band of pseudostratified columnar epithelium 2-5 cells thick near the sulcus
and 10-15 cells thick at the apical end -- ANSWER--b. A collar-like band of stratified
squamous epithelium 10-20 cells thick near the sulcus and 2-3 cells thick at the apical end
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,Evidence now suggests that periodontal disease may be an autoimmune disorder, in which
immune factors in the body attack the person's own cells and tissues. Which of the following
have been implicated as possible factors?
a. Interleukin-1 beta
b. Tumor necrosis factor-alpha
c. Prostaglandin E-2
d. Interleukin 4
e. All of the above -- ANSWER--e. All of the above
Which of the following is a progressive proliferation of the gingiva, particularly the
collagenous elements?
a. Inflammatory gingival enlargement
b. Hereditary gingivofibromatosis
c. Both of the above
d. Neither of the above -- ANSWER--b. Hereditary gingivofibromatosis
The primary reason for the failure of a free gingival graft is:
a. Infection
b. Edema
c. Disruption of the vascular supply before engraftment
d. None of the above -- ANSWER--c. Disruption of the vascular supply before engraftment
All of the following are indications for the use of an apically positioned flap, except:
a. Moderate or deep pockets
b. Patients at risk for root caries
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, c. Furcation-involved teeth
d. Crown lengthening -- ANSWER--b. Patients at risk for root caries
All corners of a periodontal flap should be:
a. Sharp
b. Rounded
c. It doesn't matter whether the corners of a periodontal flap are sharp or rounded --
ANSWER--b. Rounded
Which of the following is also known as the pedicle flap?
a. Apically positioned flap
b. Laterally positioned flap
c. Coronally positioned flap -- ANSWER--b. Laterally positioned flap
Clinically, a bone grafting procedure is most likely to be successful in:
a. One-walled defects
b. Two-walled defects
c. Three-walled defects
d. Through-and-through furcation defects -- ANSWER--c. Three-walled defects
Reshaping or recontouring the alveolar bone without the removal of supporting alveolar bone
is called:
a. Ostectomy
b. Osteoplasty -- ANSWER--b. Osteoplasty
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