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Iron Cuts > 4 ex 1 > Flashcards

4 ex 1 Flashcards

1
Q
  1. What % of young adullsipeople present with recession
A

54.5

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2
Q

Perio abscess type of bacteria

A

Pg pi

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3
Q

Perio abscess most prevalent bacteria
a. Bacculis (i personally think it bacculis) isn’t spirochetes for NG
b. Spirochetes
c_ Cocci

A

Spirochetes

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4
Q

Person smokes a pack day and has. 7 mm pockets

A

Grade C Stage 4

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5
Q

Biological width has been replaced by

A

Supercrestal tissue attachement

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6
Q

No evidence that TOF causes abrasion/NCCL

A

.

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7
Q

TOF does not cause

A

reession

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8
Q

Two 4 mm implants you want how much mesial distal space?

A

14

4+4+3 (between implants)

+ 1.5 + 1.5 (between implants and tooth)

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9
Q

Differential diagnosis of EPL includes

A

Incomplete tooth fracture, developmental grooves.. CEP, periodontal abscess

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10
Q

Recession type 3 is loss of attachment greater than buccal attachment loss

A

True

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11
Q

Recessioni type 3 is loss of attachment less. than or equal to buccal attachment loss

A

False

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12
Q

Pericoronotilis is a Perio abscess

A

False

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13
Q

Aggressive periodontitis is now called

A

Periodontitits

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14
Q

Order of the zone

A

Bacterial zone,

neutoptil rich zone,

necrotic zone,

and spirochetal intiftration zone

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15
Q

New 2017 type thing

A

Ortho tx?

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16
Q

You have pt with deep perio pocket and no root fracture. You suspect endo/perio lesion but have to determine if perio/non perio piatient

A

True

Need to determine if tooth in question has

A) root damage (and if so, what type?)

B) No root damage

a) Periodontits pt?
b) Non periodontitits pt?

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17
Q

Which of the following is keratinized?

a. Oral epithelium
b. Sulcular epithelium
c. Junctional epithelium

A

Oral epithelium

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18
Q

What percentage of people have a free gingival groove demarcating the separation b/w the
marginal (free) gingiva and attached gingiva?

A

50%

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19
Q

All of the following are considered mucocutanous deformities except

a. Recession
b. Lack keratinized gingiva
c. Aberrant frenum
d. Abscess

A

d. Abscess

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20
Q

Moderate chronic periodontitis has how much attachment loss?

a. 3-4mm

A

3-4mm

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21
Q

The sulcular epithelium is lacking the stratum corneum and

a. Stratum granulosum
b. Stratum spinosum
c. Stratum basale

A

Stratum granulosum

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22
Q

The PDL has which cells?

A

Epithelial rests of malassez

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23
Q

The junctional epithelium attaches to the tooth via

A

Hemidesmosomes

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24
Q

The distance b/w the CEJ and alveolar bone in healthy adult pt is

A

2mm

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25
Q

In health, the biological width is

A

2 mm—the distance from the CEJ to the crest of the alveolar bone

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26
Q

Which of the following is not a gingival fiber?

a. Dentogingival
b. Circular
c. Transeptal
d. Interradicular

A

Interradicular

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27
Q

The PDL is comprised of the following types of collagen except?

a. Type I
b. Type II
c. Type III
d. Type IV

A

Type II

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28
Q

In 48 hours, plaque is __________ mineralized

a. 50%

A

50%

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29
Q

Which of the following is true about cementum?

a. Vascularized
b. Innervated
c. No lymphatics
d. Interstitial growth (APPOSITIONAL GROWTH is correct)

A

No lymphatics

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30
Q

Approximately ___% of US adults age 30-90 have periodontitis?
a. 50%

A

50%

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31
Q

Which of the following is not true of material alba

a. white or yellow color
b. blown off easily
c. has a definite structure

A

has a definite structure

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32
Q

Which of the following is true for subgingival plaque

A

Great diversity of the biological fauna

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33
Q

Which two bacteria make the corncob formation

A

F. nucleatum and P. gingivalis

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34
Q

Healthy plaque is comprised of

A

Gram positive aerobic indigenous flora

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35
Q

Which bacterium is associated with localized aggressive periodontitis?

A

AA

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36
Q

What is the main virulence factor of AA?

A

Leukotoxin

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37
Q

What is the main virulence facto of Pg?

A

Collagenase

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38
Q

Which of the following is not a secondary colonizer?

a. P. intermedia
b. A. actinomycetemcomitans
c. P. gingivalis
d. F. nucleatum

A

A. actinomycetemcomitans

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39
Q

Which bacterium is associated with pregnancy?

a. P. gingivalis
b. P. intermedia
c. F. nucleatum

A

intermedia

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40
Q

Which bacterium is associated with diabetes?

a. P. gingivalis
b. P. intermedia
c. F. nucleatum

A

P. gingivalis

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41
Q

What is the chance of transmission of AA and Pg b/w spouses?

A

20-30%

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42
Q

What % of dental calculus is inorganic?

A

70-90%

43
Q

What is the most abundant form of calculus?

A

Hydroxyapatite

44
Q

What is the softed form of calculus?

A

Brushite

45
Q

Which forms of calculus is found subgingivally?

A

Brushite, Whitlockite

46
Q

What makes up the inorganic components of calculus?

A

Phosphorus and calcium

47
Q

During calculus formation after 48 hours how mineralized is it?

A

50%

48
Q

Which of the following is not a mode of calculus attachment?

a. Organic pellicle
b. Cemental resorption bays
c. Microscopic irregularities in the cemental surface
d. Irregularities in the internal surface of the cementum

A

Irregularities in the internal surface of the cementum

49
Q
  1. All of the following play a role of calculus in chronic periodontitis except
    a. Unmineralized layer of plaque
    b. Physical irritation
    c. Reservoir for bacterial endotoxin and enzymes
    d. Primary etiological factor for periodontitis
A

Primary etiological factor for periodontitis

50
Q

If calculus is not shown radiographically, what are the chances it still exists?

A

50%

51
Q

Generalized chronic periodontitis is when ____ of probing surfaces have attachment loss.

A

30%

52
Q

Plausible correlating factors of disease identified in cross-sectional studies is

a. Risk factor
b. Risk indicator
c. Risk marker

A

Risk indicator

53
Q

Correlating factors confirmed in longitudinal studies

a. Risk indicator
b. Risk factor
c. Risk marker

A

Risk factor

54
Q

Smokers are how many times more likely to develop severe periodontal ds than non-smokers?

A

5

55
Q

Smoking does all the following except

a. Increase collagenase production
b. Decrease subgingival temperature
c. Increase GCF flow
d. Increases tissue breakdown

A

Increase GCF flow

56
Q

Smoking causes all of the following except

a. Affect wound healing
b. Increase thickness of the epithelium and vessel wall
c. Affects different microbiota
d. Decreases subgingival temperature

A

Increase thickness of the epithelium and vessel wall

57
Q

Diabetes does not do which of the following

a. Increase thickness of basement membrane
b. Increase phagocytosis by PMNS
c. Increase AGE production
d. Increase collagenase activity

A

Increase phagocytosis by PMNS

58
Q

All the following are risk indicators except

a. Genetics
b. Race
c. Age
d. Smoking

A

Smoking

59
Q

8 mm of keratinized gingiva is measured and there is a pocket depth of 3 mm. What is the
attached gingiva?

A

5 mm

60
Q

GM is 3 mm coronal to the CEJ and the pocket depth is 3 mm. What is the attachment loss?

A

0 mm

61
Q

Which of the following is not a pocket described by location

a. Gingival pocket
b. Supraboney pocket
c. Infraboney pocket
d. Sulcular pocket*

A

Sulcular pocket*

62
Q

Study showed which percent of chronic periodontitis is due to genetics?

A

50%

63
Q

A 2 wall defect is also described as a

A

Crater

64
Q

A goal of periodontal therapy is:

A

Prevent recurrence of periodontitis

65
Q

Progressive model

A

Perio mainly effects posterior teeth

66
Q

Which of the following is not cardinal sign of inflammation

a. Redness
b. Swelling
c. Pain
d. Bleeding

A

Bleeding

67
Q

Which immunoglobulin attach to mast cells?

A

IgE

68
Q

All the following are systemic conditions that effect perio except

a. Diabetes
b. Pregnancy,puberty
c. HIV/AIDS
d. Medications
e. High BP

A

High BP

69
Q

All the following medications cause gingival enlargement except

a. Cyclosporine
b. Ca + channel blocker
c. Phenloin sodium
d. Beta blocker

A

Beta blocker

70
Q

Innate immune system is primarily controlled by?

a. PMNs
b. T cells
c. B cells

A

PMNs

71
Q

Specific cytokines may have diff biological effects dependent on

a. Concentration
b. Duration

A

Concentration

72
Q

The major variation is individuals susceptibility to perio ds not their oral hygiene

A

The major variation is individuals susceptibility to perio ds not their oral hygiene

73
Q

Which of the following stimulates differentiation of B and T cells

a. IL-6
b. IL-1
c. IL-8
d. PGE2

A

IL-6

74
Q 
Which of the following is pro-inflammatory and stimulates osteoclasts, fibroblasts, and
macrophages?
a. IL-1
b. IL-6
c. IL-8
d. PGE2
A

IL-1

75
Q

Which of the following stimulate epithelial cells and fibroblasts?

a. TGF
b. PDGF
c. EGF
d. FGF

A

TGF

76
Q

Main cytokine in initial gingival lesion

A

IL-8 (chemoattractant)

77
Q

Which of the following is not a step of diapedesis?

a. Rolling
b. Adhesion
c. Margination
d. Aggregation

A

Aggregation

78
Q

Which of the following is not an example of an MMP?

a. Collagenase
b. Gelatinase
c. Elastase
d. Hyaluronidase

A

Hyaluronidase

79
Q

What percentage of the population has stipping?

A

40-50%

80
Q

All of the following cytokines are proinflammatory except

A

IL4

81
Q

How much bone loss must there be before it is detectable on a radiograph?

A

50%

82
Q

Biggest risk factor for periodontitis?

A

Smoking

83
Q

Successful colonization depends on which of the following?

a. Successful competition
b. Nutritional relationships
c. Overcoming host defenses
d. All of the above

A

All of the above

84
Q

All of the following shape the alveolar bone except?

a. Interdental distance
b. Root shape
c. Crown-to-root ratio
d. Something else

A

Crown-to-root ratio

85
Q

All of the following are components of the periodontia except

a. Gingiva
b. PDL
c. Cementum
d. Alveolar mucosa

A

Alveolar mucosa

86
Q

Which of the following is found in a healthy mouth?

a. Streptococcus sanguis

A

Streptococcus sanguis

87
Q

Supragingival plaque has a matrix that makes up what percentage?

A

50%

88
Q

Which stage has the first sign of an increase in gingival crevicular fluid

a. Initial
b. Early
c. Established
d. Advanced

A

Initial

89
Q

Which is the first stage where is stippling is lost

a. Initial
b. Early
c. Established
d. Advanced

A

Early

90
Q

Proliferation of rete ridges are part of which phase?

a. Initial
b. Early
c. Established
d. Advanced

A

Early

91
Q

What percentage of collagen is lost in early lesion?

A

70%

92
Q

The early lesion develops in

A

4-7 days

93
Q

In the established lesion, the cells are primarily

a. B cells
b. Plasma cells
c. T lymphocytes
d. PMNs

A

T lymphocytes

94
Q

At what stage to microulcerations first appear?

a. Initial
b. Early
c. Established
d. Advanced

A

Established

95
Q

In established lesion, the epithelial changes are a product of

A

Complement activation

96
Q

All of the following are part of periodontal therapy except

a. Maintenance
b. Root planning
c. Prophylaxis
d. Antibiotics

A

Prophylaxis

97
Q

All of the following are symptoms of chronic perio except?

A

Painn

98
Q

At what CD4 count is someone immune compromised in HIV, causing increased risk of perio?

A

200 cells/microliter

99
Q

Estrogen is broken down into progesterone by ______ and that is why this bacteria is more
prominent in pregnancy related peridontitis

A

Prevotella intermedia

100
Q

Plaque which turns into periodontal disease is mostly made up of

A

Anaerobic, gram negative

101
Q

Plasma cells are activated ________

A

B cells

102
Q

Study showed which of the following?

a. All people are equally susceptible to PD
b. Not all people develop PD

A

Not all people develop PD

103
Q

What differentiates periodontitis from gingivitis?

A

Attachment loss

104
Q

Which of the following is true about gingivitis?

A

Does not effect the alveolar bone

Iron Cuts (6 decks)

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