2010 Released Qs And Ans11

Front 1

Which of the following is ançare oral
clinical sign(s) of leukemia?
A. Swollen soft gingiva.
B. Ulceration.
C. Tissue pallor.
D. All of the above.

Back 1

D. All of the above.

Front 2

Which of the following drugs taken by a
patient will influence your periodontal
treatment planning?
1. Insulin.
2. Cortisone.
3. Nitroglycerin.
4. Dicumarol.

Back 2

D. All of the above.

Front 3

Gingival hyperplasia may be
A. familial.
B. idiopathic.
C. drug induced.
D. All of the above.
E. None of the above.

Back 3

D. All of the above.

Front 4

Which of the following has the POOREST
prognosis?
A. Gingival tissue with edematous red
interdental papillae.
B. Gingival tissue with 1mm pocket
labial to a mandibular incisor.
C. Firm gingival tissue with generalized
5 and 6mm pockets.
D. Class II furcation involvement in
maxillary molars.

Back 4

D. Class II furcation involvement in
maxillary molars.

Front 5

The best prognosis for new attachment
(reattachment) of periodontal ligament is
in a
A. narrow infrabony pocket.
B. narrow suprabony pocket.
C. wide infrabony pocket.
D. wide suprabony pocket.

Back 5

A. narrow infrabony pocket.

Front 6

Salicylates for post-operative pain can
affect coagulation of blood by
A. exhibiting a coumadin - like effect
resulting in an increase of
vitamin K dependent factors.
B. exhibiting a coumadin - like effect
resulting in a decrease of vitamin K
dependent factors.
C. interfering with normal platelet
functions resulting in a prolonged
bleeding time.

Back 6

C. interfering with normal platelet
functions resulting in a prolonged
bleeding time.

Front 7

The most objective measurement of
successful scaling and root planing is
1. reduction of pocket depth.
2. root smoothness.
3. absence of plaque.
4. absence of bleeding upon probing.
5. increased sulcular fluid flow.

Back 7

2. root smoothness.
4. absence of bleeding upon probing

Front 8

Treatment of primary herpetic
gingivostomatitis should include
1. steroid therapy.
2. palliative treatment.
3. control of secondary infection.
4. application of dilute hydrogen
peroxide.

Back 8

2. palliative treatment.
3. control of secondary infection.

Front 9

Which treatment procedure is indicated for
a patient with asymptomatic age related
gingival recession?
A. Connective tissue graft.
B. Gingivoplasty.
C. Lateral sliding flap.
D. Gingival graft.
E. No treatment.

Back 9

E. No treatment.

Front 10

Gingivectomy is indicated for
1. pseudopockets.
2. suprabony pockets.
3. fibrotie gingival enlargements.
4. infrabony pockets.

Back 10

1. pseudopockets.
2. suprabony pockets.
3. fibrotie gingival enlargements.

Front 11

Irregularly distributed shallow to moderate
craters in the interseptal bone are best
eliminated by
A. osteoplasty.
B. gingivoplasty.
C. deep scaling.
D. bone grafting

Back 11

A. osteoplasty.

Front 12

The purpose of a periodontal dressing is to
A. enhance wound healing.
B. protect the wound from injury.
C. increase patient comfort.
D. All of the above.

Back 12

D. All of the above.

Front 13

Regular use of oral irrigators (e.g. "Water
Pik") will
A. prevent plaque formation.
B. remove plaque.
C. remove calculus.
D. remove debris.
E. prevent bacteremia.

Back 13

D. remove debris.

Front 14

The principal component of the fibres of
the periodontal ligament is
A. elastin.
B. reticulin.
C. fibronectin.
D. collagen.

Back 14

D. collagen.

Front 15

Vitamin C is essential for
A. formation of collagen.
B. osteoid.
C. dentin.
D. cementum.
E. All of the above.

Back 15

E. All of the above.

Front 16

In a young patient living in an area with
communal water fluoridation, the fluoride
concentration of an erupted tooth is
greatest
A. at the dentino-enamel junction.
B. on the surface of the clinical crown.
C. at the layer of dentin nearest the pulp
chamber.
D. evenly throughout the enamel.

Back 16

C. at the layer of dentin nearest the pulp
chamber.

Front 17

A patient with bruxism is likely to
demonstrate
A. radiographic evidence of the
widening of the periodontal
ligament.
B. increased mobility of teeth.
C. premature wear of occlusal surfaces.
D. TMJ discomfort.
E. All of the above.

Back 17

E. All of the above.

Front 18

DMF-S is an index for expressing
A. dental needs.
B. tooth mortality.
C. extent of dental neglect.
D. dental caries.

Back 18

D. dental caries.

Front 19

A surgical flap approach to periodontal
pocket elimination permits
A. healing by primary intention.
B. retention of gingiva.
C. access to perform osseous
recontouring.
D. All of the above.

Back 19

D. All of the above.

Front 20

The gingivectomy approach to pocket
elimination results in
A. healing by primary intention.
B. adequate access to correct irregular
osseous contours.
C. retention of all or most of the
attached gingiva.
D. None of the above.

Back 20

C. retention of all or most of the
attached gingiva.

Front 21

A clenching habit may be a factor in
A. suprabony periodontal pocket
formation.
B. marginal gingivitis.
C. increased tooth mobility.
D. generalized recession.

Back 21

C. increased tooth mobility.

Front 22

Regarding dental caries, which of the
following is correct?
A. All carbohydrates are equally
cariogenic.
B. More frequent consumption of
carbohydrates increases the risk.
C. The rate of carbohydrate clearance
from the oral cavity is not significant.
D. Increased dietary fat increases the
risk.

Back 22

B. More frequent consumption of
carbohydrates increases the risk.

Front 23

Abrasion is most commonly seen on the
A. lingual surface of posterior teeth.
B. occlusal surface of posterior teeth.
C. incisal edges.
D. facial surfaces of teeth.

Back 23

D. facial surfaces of teeth.

Front 24

Carious lesions are most likely to develop
if a patient has
A. a high lactobacillus count.
B. saliva with low buffering capacity.
C. plaque on his teeth.
D. lactic acid in his mouth.

Back 24

B. saliva with low buffering capacity.

Front 25

Following curettage and root planing,
reduction in pocket depth is due to
A. shrinkage of the gingival tissue.
B. reattachment.
C. epithelial "adhesion" to the tooth.
D. healing of connective tissue.
E. All of the above.

Back 25

E. All of the above.

Front 26

Ultrasonic scalers are most effective in
A. removal of supragingival calculus.
B. removal of subgingival calculus.
C. removal of toxins from cementum.
D. planing root surfaces

Back 26

A. removal of supragingival calculus.

Front 27

The most important objective of occlusal
adjustment of a natural dentition is to
A. prevent temporomandibular joint
syndrome.
B. increase the shearing action in
mastication.
C. improve oral hygiene by preventing
food impaction.
D. achieve a more favorable direction
and distribution of forces of
occlusion.

Back 27

D. achieve a more favorable direction
and distribution of forces of
occlusion.

Front 28

An increase of immunoglobulins is
consistent with increased numbers of
A. fibroblasts.
B. neutrophils.
C. lymphocytes.
D. plasma cells.

Back 28

D. plasma cells.

Front 29

The predominant organisms associated
with active periodontitis are
1. cocci.
2. rods.
3. spirochetes.
4. motile rods.

Back 29

E. All of the above.

Front 30

In periodontics, the best prognosis for
bone regeneration follows the surgical
treatment of
A. suprabony pockets.
B. one-wall infrabony pockets.
C. two-wall infrabony pockets.
D. three-wall infrabony pockets.

Back 30

D. three-wall infrabony pockets.

Front 31

Tooth grinding (bruxism) is due to
A. premature contacts in the retruded
centric position.
B. balancing prematurities in nonworking
positions.
C. stress.
D. All of the above.

Back 31

D. All of the above.

Front 32

(An) important clinical sign(s) of
gingivitis is/are
1. bone loss.
2. cyanosis of tissue.
3. the presence of minimal attached
gingiva.
4. bleeding on gentle probing.

Back 32

2. cyanosis of tissue
4. bleeding on gentle probing

Front 33

In chronic gingivitis, the sulcular
epithelium
A. is a barrier to bacterial invasion.
B. is permeable to bacterial enzymes
and toxins.
C. may be ulcerated.
D. undergoes both degenerative and
proliferative changes.
E. All of the above.

Back 33

E. All of the above.

Front 34

The epithelial attachment does not migrate
apically in
A. juvenile periodontitis.
B. hyperplastic gingivitis.
C. chronic periodontitis.
D. rapidly progressive periodontitis

Back 34

B. hyperplastic gingivitis.

Front 35

Infrabony lesions may occur at the
A. palatal surface of maxillary anterior
teeth.
B. buccal and lingual surfaces of
molars.
C. interproximal areas.
D. bifurcations and trifurcations.
E. All of the above.

Back 35

E. All of the above.

Front 36

A patient suffering from periodontal
disease may complain of
A. loose teeth.
B. bleeding gingiva.
C. pain.
D. gingival recession.
E. All of the above.

Back 36

E. All of the above.

Front 37

The absence of adequate drainage in a
periodontal pocket may result in
A. cyst formation.
B. abscess formation.
C. epithelial hyperplasia.
D. increased calculus formation.

Back 37

B. abscess formation.

Front 38

Necrotizing ulcerative gingivitis (NUG)
and acute herpetic gingivostomatitis can
be differentiated clinically by (the)
A. location of the lesions.
B. temperature of the patient.
C. pain.
D. lymphadenopathy.

Back 38

A. location of the lesions

Front 39

Primary herpetic gingivostomatitis most
frequently occurs
A. before age 10.
B. between l0 and 20 years of age.
C. between 20 and 30 years of age.
D. after age 30.
E. At any age.

Back 39

A. before age 10.

Front 40

The instrument best suited for root planing
is a/an
A. hoe.
B. file.
C. curette.
D. sickle scaler.
E. ultrasonic scaler.

Back 40

C. curette.

Front 41

Following subgingival curettage, the
amount of gingival shrinkage depends
upon
A. the thickness of the free gingiva.
B. the degree of edematous hyperplasia
present.
C. whether the pocket orifice is broad or
narrow.
D. the degree of suppuration present.
E. All of the above.

Back 41

E. All of the above.

Front 42

The tissues of the epithelial attachment
A. are dynamic rather than static.
B. can be reconstituted by repair.
C. exhibit a high rate of biologic
turnover.
D. All of the above.
E. None of the above.

Back 42

D. All of the above.

Front 43

A removable full-arch occlusal splint is
used to
A. reduce pocket formation.
B. allow for individual tooth movement.
C. reduce unfavorable forces on teeth.
D. permit eruption or elongation of
teeth.

Back 43

C. reduce unfavorable forces on teeth

Front 44

Destructive occlusal forces can be reduced
by
1. selective grinding.
2. orthodontics.
3. restorative treatment.
4. tooth extraction.

Back 44

E. All of the above.

Front 45

In chronic periodontitis, the causative
organisms are found in
A. the connective tissues of the gingiva.
B. the periodontal ligament.
C. the alveolar bone.
D. the periodontal pocket.
E. A. and D.

Back 45

E. A. and D.

Front 46

The coronal collagen fibres of the
periodontium are
A. circular.
B. transeptal.
C. supraperiosteal.
D. All of the above.

Back 46

D. All of the above.

Front 47

The benefits of flap curettage include
A. direct access for thorough
debridement.
B. pocket reduction.
C. increased opportunity for
reattachment.
D. A. and B.
E. All of the above.

Back 47

E. All of the above.

Front 48

Correction of an inadequate zone of
attached gingiva on several adjacent teeth
is best accomplished with a/an
A. apically repositioned flap.
B. laterally positioned sliding flap.
C. double-papilla pedicle graft.
D. coronally positioned flap.
E. free gingival graft.

Back 48

B. laterally positioned sliding flap.

Front 49

In the design of a removable partial
denture, the objectives of surveying the
diagnostic cast are to
A. determine the path of insertion.
B. locate tooth surfaces that can act as
guiding planes.
C. locate retention areas.
D. locate the height of contour.
E. All of the above.

Back 49

E. All of the above.

Front 50

Diagnostic casts for a fixed bridge allow
the dentist to
A. visualize the direction of the forces.
B. assess occlusion more accurately.
C. plan the pontic design.
D. All of the above.

Back 50

D. All of the above