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50 Cards in this Set

  • Front
  • Back
37.Trismus is most frequently caused by
A. tetanus.
B. muscular dystrophy.
C. infection.
D. mandibular fracture.
C
pg 65
The principal component of the fibres of the
periodontal ligament is
A. elastin.
B. reticulin.
C. fibronectin.
D. collagen.
D
pg 65
The principal component of the fibres of the
periodontal ligament is
A. elastin.
B. reticulin.
C. fibronectin.
D. collagen.
E
pg 65
Disuse atrophy of the periodontium causes
A. changes in the arrangement of fibre
bundles.
B. narrowing of the periodontal ligament.
C. osteoporosis of the alveolar process.
D. decrease in tooth mobility.
E. All of the above.
B
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.
pg 66
D
Which of the following conditions may result
from cross-brushing the teeth?
A. Erosion.
B. Abrasion.
C. Attrition.
D. Hypoplasia.
pg 66
B?
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.
pg 66
C
A clenching habit may be a factor in
A. suprabony periodontal pocket formation.
B. marginal gingivitis.
C. increased tooth mobility.
D. generalized recession
pg 66
C?
pg 64
Irregularly distributed shallow to moderate
craters in the interseptal bone are best
eliminated by
A. osteoplasty.
B. gingivoplasty.
C. deep scaling.
D. bone grafting
A?
Plaque accumulation on tooth surfaces is affected by
A. the anatomy, position and surface characteristics of the teeth. B. the architecture of the gingival tissues and their relationship to the teeth. C. friction at the tooth surface from the diet, lips and tongue. D. All of the above.
D
62.Radiographs of a periodontally related osseous defect show the
A. number of bony walls. B. measurement of the defect. C. location of the epithelial attachment. D. None of the above.
D
pg 64
Gingivectomy is indicated for
1. pseudopockets.
2. suprabony pockets.
3. fibrotie gingival enlargements.
4. infrabony pockets.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above
A
Which of the following root surfaces are most likely to have concavities that will make root planing difficult?
1. Mesial surfaces of maxillary first premolars. 2. Mesial surfaces of mandibular incisors. 3. Mesial surfaces of maxillary incisors. 4. Distal surfaces of mandibular second premolars.
A. (1) and (2) B. (1) and (3) C. (1) and (4) D. (2) and (4) E. (3) and (4
A
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.
B
The periodontium is best able to tolerate forces
directed to a tooth
A. horizontally.
B. laterally.
C. obliquely.
D. vertically.
D
pg63
Which of the following drugs taken by a patient
will influence your periodontal treatment
planning?
1. Insulin.
2. Cortisone.
3. Nitroglycerin.
4. Dicumarol.
A. (1) (2) (3)
B. (2) (3) (4)
C. (1) and (4)
D. All of the above.
E. None of the above.
D
pg63
Gingival hyperplasia may be
A. familial.
B. idiopathic.
C. drug induced.
D. All of the above.
E. None of the above.
D
pg63
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.
D
Temporo Mandibular Joint disease in children
results from
A. rheumatoid arthritis.
B. middle ear infection.
C. trauma.
D. heredity.
E. All of the above
E?
pg62
The etiology of erosion of the teeth is
A. unknown.
B. hyperacidity of the saliva.
C. deficiency of vitamins A and D.
D. excessive ingestion of citrus fruits.
D
pg62
Overhangs on restorations initiate chronic
inflammatory periodontal disease by
A. increasing plaque retention.
B. increasing food retention.
C. causing traumatic occlusion.
D. causing pressure atrophy.
A
pg 62
Abnormalities in blood clotting may be
associated with a deficiency of vitamin
A. B12.
B. C.
C. E.
D. K.
D
pg62
Calculus contributes to gingival inflammation
by
A. having a porous surface.
B. having cytotoxic bacterial products.
C. promoting bacterial colonization.
D. all of the above.
D
pg 62
Plaque accumulation on tooth surfaces is
affected by
A. the anatomy, position and surface
characteristics of the teeth.
B. the architecture of the gingival tissues and
their relationship to the teeth.
C. friction at the tooth surface from the diet,
lips and tongue.
D. All of the above.
D
pg 61
As gingival inflammation progresses to
marginal periodontitis, the associated changes
are:
A. Apical migration and disintegration of the
epithelial attachment.
B. Resorption of the alveolar crest.
C. Destruction of the alveolar crest and
periodontal ligament fibres.
D. All of the above.
E. None of the above.
D
pg 61
Dietary deficiency of vitamin D can result in
A. abnormal formation of osteoid.
B. osteitis fibrosa cystica.
C. Paget's disease.
D. myositis ossificans.
E. osteogenesis imperfecta.
A?
LAST OF Pg 60,
Maximum shrinkage after gingival curettage
can be expected from tissue that is
A. fibroedematous.
B. edematous.
C. fibrotic.
D. formed within an infrabony pocket.
E. associated with exudate formation.
B
pg 61
During tooth development, vitamin A
deficiency may result in
A. peg-shaped teeth.
B. partial anodontia (hypodontia).
C. Hutchinson's incisors.
D. enamel hypoplasia.
E. dentinogenesis imperfecta.
D
p 44 Which of the following will allay or minimize
the emotional factors which may predispose to
syncope?
A. Secobarbital.
B. Diazepam.
C. Phenobarbital.
D. All of the above.
E. None of the above.
A sedative
?
60, In periodontal flap surgery, the design of the
incision is influenced by the
A. frenum attachment.
B. depth of the vestibule.
C. amount of attached gingiva.
D. presence of infrabony defects.
E. All of the above.
E
60, Root planing is used in the treatment of pockets
which are
1. edematous.
2. fibrotic.
3. below the mucogingival junction.
4. infrabony.
A. (1) (2) (3)
B. (1) (2) (4)
C. (2) and (3)
D. All of the above.
B
58, Histopathologic alterations associated with the
pathogenesis of periodontal disease include
A. inflammatory exudate that can involve
neutrophils, lymphocytes and plasma
cells.
B. proliferative and degenerative changes of
the epithelium.
C. collagen destruction subjacent to the
junctional epithelium.
D. All of the above.
D
19.In dental radiography, an increase in the
kilovoltage is accompanied by
A. an increase in the quantity of radiation.
B. greater penetrability.
C. the ability to decrease exposure time.
D. All of the above.
?
60, Occlusal (night) guards are used to
A. treat bruxism.
B. reduce pocket formation.
C. prevent pulpitis.
D. permit eruption or elongation of teeth.
A
60, A gingivectomy may be performed when there
is/are
A. horizontal bone loss.
B. no intrabony defects.
C. an adequate zone of attached gingiva.
D. a gingival pocket.
E. All of the above.
E
60, INITIAL treatment of necrotizing ulcerative
gingivitis includes
1. debridement.
2. oral hygiene instruction.
3. occlusal adjustment.
4. gingivoplasty.
A. (1) and (2)
B. (1) (2) (3)
C. (1) (2) (4)
D. (2) and (3)
E. (2) and (4)
A
59, A furcation involvement in which bone loss
allows the probe to extend completely through
the furcation is classified as
A. incipient.
B. Class I.
C. Class II.
D. Class III.
E. chronic.
D
60, After periodontal surgery, sensitivity to thermal
change is reduced by
1. replaning the roots.
2. keeping the roots free of bacterial plaque.
3. adjusting the occlusion.
4. desensitizing the roots with an appropriate
medicament.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only.
E. All of the above.
C
59, The essential cause of chronic gingivitis is
A. a faulty restoration.
B. ascorbic acid deficiency.
C. dental calculus.
D. occlusal trauma.
E. dental plaque.
E
59, Elimination or reduction of periodontal pockets
will occur by planing and curettage alone if the
patient's periodontal condition includes
A. hyperemic and edematous gingival tissue.
B. gingival hyperplasia due to Dilantin
therapy.
C. chronic periodontal pockets.
D. acute necrotizing ulcerative gingivitis.
A
59, In the analysis of occlusion, which of the
following is potentially damaging?
A. Marginal ridge discrepancies.
B. Extruded teeth.
C. Wide occlusal tables resulting from
excessive wear.
D. Deep overbite with minimal overjet.
E. All of the above
E
59, Which of the following factors may affect
probing depth measurements of a periodontal
pocket?
A. Probing force.
B. Probe type.
C. Angulation of probing.
D. All of the above.
D
59, Mobility of teeth WITHOUT loss of bone
support suggests
A. a primary traumatic occlusion.
B. a secondary traumatic occlusion.
C. an atrophic condition of the periodontium.
D. A. and C
A
58, Which cells migrate into the gingival sulcus in
the largest numbers in response to the
accumulation of plaque?
A. Plasma cells and monocytes.
B. Polymorphonuclear leukocytes.
C. Macrophages.
D. Lymphocytes.
E. Mast cells.
B
58, In health, the crest of the alveolar bone, as seen
in a radiograph, is situated 1~to~2mm apical to
the cemento-enamel junction. .sp 1
Radiographically, the normal alveolar crest
should parallel an imaginary line drawn
between the cemento-enamel junction of
adjacent teeth.
A. The first statement is true, the second is
false.
B. The first statement is false, the second is
true.
C. Both statements are true.
D. Both statements are false.
C
58, Acquired pellicle
A. is composed of salivary glycoproteins.
B. takes 24 hours to establish.
C. is difficult to remove.
D. causes inflammation
A
56, Maintenance care for a patient treated for
periodontal disease includes periodic
assessment of
1. tooth mobility.
2. gingival sulcus depth.
3. signs of gingival inflammation.
4. oral hygiene status.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
?
58, The colour of normal gingiva is affected by the
1. vascularity of the gingiva.
2. epithelial keratinization.
3. thickness of the epithelium.
4. melanin pigmentation.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
E
58, With the development of gingivitis, the sulcus
becomes predominantly populated by
A. gram-positive organisms.
B. gram-negative organisms.
C. diplococcal organisms.
D. spirochetes.
B
57, Which of the following oral diseases are
largely preventable through lifestyle
adjustments?
1. Dental caries.
2. Periodontal disease.
3. Oral malignancies.
4. Cleft lip and palate.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
A