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Perio > Mock Review Questions > Flashcards

Mock Review Questions Flashcards

1
Q

What is the periodontium

A

fills between the bony socket and roots of the teeth

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2
Q

the periodontium is composed of

A

alveolar bone
cementum
gingiva

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3
Q

cementum is

A

an avascular calcified tissue that covers the anatomical root

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4
Q

gingiva

A

part of the oral mucosa that covers the alveolar process

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5
Q

what are the 3 parts of the gingiva

A

marginal (free)
gingival sulcus
attached gingiva

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6
Q

what type of fibers are found in all teeth

A

horizontal
transeptal
oblique

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7
Q

what fibers are only found in multi-rooted teeth

A

interradicular

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8
Q

molecular changes in the gingival transcriptome can lead to disruption of

A

chemotaxis
cytokine signaling
angiogenesis

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9
Q

what are causes of xerostomia

A

dental decay
oral ulcers
fungal infections
dysphagia

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10
Q

xerostomia may result from

A

sialolithiasis
systemic lupus
irradiation
chronic renal disease

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11
Q

patients with xerostomia may complain of

A

difficulty speaking, eating, and wear dental prostheses

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12
Q

what is the pH range of good oral health

A

6.7-7.4

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13
Q

what systemic conditions can modify plaque-induced gingivitis

A

smoking
leukemia
malnutrition

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14
Q

gingival hyperplasia can be caused by medications like

A

Dilantin and beta blockers

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15
Q

what type of instrument in used to adequately evaluate the furcations of multi-rooted teeth

A

nabors probe

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16
Q

probing depth is also know as

A

pocket depth

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17
Q

pocket depth is measured from the

A

gingival margin to the base of the junctional epethelium

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18
Q

junctional epethelium

A

a collar like band of stratified squamous non-keratinizing epethelium

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19
Q

junctional epethelium is formed by

A

oral epethelium
reduced enamel epethelium

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20
Q

when is junctional epethelium formed

A

during erruption

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21
Q

what are the clinical features of gingivitis

A

bleeding and ulceration
erythema
changes in color and consistency
presence of calculus (without evidence of bone loss)

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22
Q

what causes gingivitis

A

bacterial accumulation of the biofilm

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23
Q

acute forms of gingivitis can present as

A

pain

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24
Q

what are types of acute gingivitis

A

necrotizing gingivitis
primary herpetic gingivostomotitis
pericoronitis

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25
Q

pericoronitis is most often associated with what tooth

A

mandibular thirds

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26
Q

what is the difference between gingivitis and periodontitis

A

prensence of bone loss and CAL in periodontitis

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27
Q

gingivitis always is precedes

A

periodontitis

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28
Q

what are signs of periodontitis

A

apical migration of junctional epethelium
loss of connective tissue attachment
loss of alveolar bone

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29
Q

staging is based on

A

CAL
radiographic bone loss
tooth loss

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30
Q

Stage IV

A

need for complex rehab due to masticatory dysfunction, occlusal trauma, severe ridge defects, and less than 20 teeth remaining

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31
Q

grading can be described as

A

extent and distributionloc

32
Q

localized

A

<30% involvment

33
Q

generalized

A

> 30% involvement

34
Q

what are types of perio treatments

A

gingival curettage
root planing
ultrasonic scaling
instrumentation

35
Q

gingival curettage

A

done unintentionally during SRP and removed granulation tissue from the lateral walls of the pocket and should only be done under anesthesia

36
Q

during gingival curettage, the cutting edge is towards what surface

A

the pocket wall

37
Q

the main point of root planing is

A

to remove etiologic agents from the root surface

38
Q

the best way to determine if your curette in at the right angle is to

A

check to see if the terminal shank is parallel to the long axis of the tooth

39
Q

what decreases the sensitivity of the ultrasonic

A

more water
lower power
less pressure

40
Q

what is the primary function of chisel scalers

A

scale ledges or rings of calculus

41
Q

what produces wire edges

A

when sharpening, the last stroke of the stone is drawn from the cutting edge

42
Q

a curette is designed to scale and root plane anterior teeth with deep pockets will have what type of shank

A

long, straight

43
Q

what instrument is best for root planing deep pockets

A

site specific

44
Q

how much of the tip of a scaler should be adapted and remain in contact with the tooth surface

A

1/3

45
Q

what type of instruments have more bends as you move posteriorly 1/2 –> 17/18

A

graceys

46
Q

What is dental wear caused by tooth-to-tooth contact
called?

A

Attrition

47
Q

Occlusal loading resulting in tooth flexure, mechanical
microfractures, and loss of tooth substance in the cervical
area is _____.

A

Abfraction

48
Q

The distance from the CEJ to the base of the pocket is
a measure of _____.

A

Clinical attachment level

49
Q

Your examination reveals a probing pocket depth of
6 mm on the facial of tooth #30. The free gingival
margin is 2 mm apical to the CEJ (there is 2-mm recession
on the facial). How much attachment loss has
occurred on the facial of this tooth?

A

8 mm

50
Q

The key feature that differentiates periodontitis from
gingivitis is _____.

A

Loss of clinical attachment

51
Q

In general, what microorganisms are predominant in
supragingival tooth-associated attached plaque?

A

Gram-positive rods and cocci

52
Q

The inorganic component of subgingival plaque is
derived from _____.

A

Gingival crevicular fluid

53
Q

What are the characteristics of the primary (initial)
bacterial colonizers of the tooth in dental plaque
formation?

A

Gram-positive facultative

54
Q

Which of the following is an important constituent of
gram-negative microorganisms that contributes to initiation
of the host inflammatory response?

A

Endotoxin

55
Q

Calculus is detrimental to the gingival tissues because
it is _____.

A

Covered with bacterial plaque

56
Q

Restoration margins are plaque-retentive and produce
the most inflammation when they are located

A

Subgingival

57
Q

Which of the following are antigen-presenting cells?
A. Neutrophils
B. T lymphocytes
C. Macrophages
D. Plasma cells

A

Macrophages

58
Q

Which of the following are the most important proteinases
involved in destruction of the periodontal
tissues?

A

Matrix metalloproteinases

59
Q

The predominant inflammatory cells in the periodontal
pocket are _____.

A

Plasma cells

60
Q

Which of the following are part of preliminary phase
therapy?
1. Treatment of emergencies
2. Extraction of hopeless teeth
3. Plaque control
4. Removal of calculus

A

1 and 2 only

61
Q

Polymorphisms in which of the following genes have
been associated with severe chronic periodontitis?

A

IL-1

62
Q

Given the same amount of attachment loss and same
pocket depth, a single-rooted tooth and a multirooted
tooth have the same prognosis. The closer the base of
the pocket is to the apex of the tooth, the worse the
prognosis.

A

The first statement is false, and the second statement
is true.

63
Q

Which of the following is most important in determining
the prognosis for a tooth?

A

Clinical attachment level

64
Q

When treating diabetic patients, the most common
problems in the dental chair are usually associated
with _____.

A

Hypoglycemia

65
Q

Offset angulation is a characteristic feature of _____.

A

Area-specific curettes

66
Q

Patients with which of the following should not be treated with ultrasonic instruments?

A

Infectious diseases

67
Q

Order the following types of cells by their ability to
populate a wound area during the healing process
from fastest to slowest.
1. PDL cells
2. Epithelial cells
3. Gingival connective tissue cells
4. Bone marrow cells

A

2, 3, 1, and 4

68
Q

What is the most important procedure to perform
during the initial postoperative visits after periodontal
surgery?

A

Plaque removal

69
Q

When performing a laterally repositioned flap, which
of the following must be considered relative to the
donor site?

Presence of bone on the facial
Width of attached gingiva
Thickness of attached gingiva

A

All of the above

70
Q

During preparation of implant osteotomy (“drilling”
for an implant), the critical temperature that should not
be exceeded is _____ at an exposure time of 1 minute.

A

47 degrees

71
Q

Which class of bony defect responds best to regenerative
therapy?

A

Three-walled

72
Q
  1. Guided tissue regeneration is a method for preventing
    _____ in a healing surgical site.
A

Epithelial migration

73
Q

The most common clinical sign of occlusal trauma is
_____.

A

Tooth mobility

74
Q

For most patients affected with periodontitis, what
is the recommended interval for maintenance
appointments?

A

3 months

75
Q

The minimal mesiodistal space required for the placement
of two standard-diameter implants (4.0 mm
diameter) between teeth is _____ mm

A

14

Perio (1 decks)

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