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Perio Comps > Diagnostic Findings > Flashcards

Diagnostic Findings Flashcards

1
Q

keratinized gingiva

A

dense fibrous CT (free gingiva + attached gingiva)

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2
Q

T/F: mucogingival jxn is everywhere except the palate

A

true

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3
Q

T/F: inflamed gingiva is collagen poor (collagen is lost and cell rich)

A

true

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4
Q

boundaries of the normal sulcus includes what?

A
  1. sulcular epithelium (non-keratinized)
  2. dento-gingival jxn
  3. surface of gingiva is keratinized, the sulcus and interdental col are not keratinized
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5
Q

junctional epithelium (non-keratinized)

A

immediately apical to sulcus/pocket base

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6
Q

supra-crestal CT

A

collagenous gingival fiber insertion into cementum between junctional epithelium and alveolar crest

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7
Q

Sharpey’s fibers

A

collagenous fiber insertion from bone to cementum

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8
Q

PDL fibers

A
  1. transseptal
  2. alveolar crest
  3. horizontal
  4. oblique
  5. apical
  6. interradicular
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9
Q

type 1 and 3 collagens are in what?

A
  1. PDL
  2. gingival fibers
  3. gingival CT
  4. matrix for bone and cementum
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10
Q

type 4 collagen is in what?

A

basement membrane (basal lamina)

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11
Q

supraperiosteal supplies blood for which tissues?

A

facial/lingual

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12
Q

clinical findings are based on what?

A
  1. probing depth
  2. bleeding on probing (inflammation)
  3. tooth mobility
  4. furcations
  5. clinical attachment level (attachment loss)
  6. attached gingiva
  7. gingival recession
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13
Q

the presence of shallow probing depths in the absence of inflammation (e.g. no BoP) are what?

A

GOOD negative predictors of disease progression

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14
Q

T/F: lack of BoP may indicate health but bleeding may or may not indicate the presence of periodontitis

A

true

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15
Q

T/F: the presence of deep pockets and gingival inflammation have HIGH positive predictive value for hte progression of periodontitis

A

false, LOW so it not reliable in prediciting periodontal disease progression

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16
Q

what is the hallmark of periodontal disease progression?

A

loss of attachment

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17
Q

clinical attachment level

A

probe depth plus recession (distance from CEJ to the base of the pocket)

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18
Q

attached gingiva

A

portion of the keratinized tissues (gingiva) that is firmly bound down to underlying tooth or periosteum (not part of the pocket wall)

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19
Q

width of attached gingiva (width of keratinized gingiva)

A

distance from gingival line to mucogingival line minus probe depth

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20
Q

mucogingival defect (deformity)

A

insufficient attached gingiva (<1mm) with probe depth reaching or exceeding (traversing) the mucogingival junction, lack of keratinized tissue, aberrant frenum, shallow vestibule

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21
Q

Glickman classification of grade 1 furcation

A

incipient

22
Q

Glickman classification of grade 2 furcation

A

catches the furcation roof

23
Q

Glickman classification of grade 3 furcation

A

through-and-through

24
Q

Glickman classification of grade 4 furcation

A

open (not filled with soft tissue)

25
Q

location of furcations on max molars

A
  1. ML
  2. mid-facial
  3. distal
26
Q

location of furcations on max 1st premolar

A
  1. mesial

2. distal

27
Q

location of furcations on mandibular molars

A
  1. mid-facial

2. mid-lingual

28
Q

what is the most common bony defect?

A

interdental craters

29
Q

examples of bony defects

A
  1. interdental craters
  2. hemiseptums
  3. moats
  4. defect walls and dimensions
30
Q

bony DEHISCENCE

A

absence of all or a portion of the bony covering of the buccal or lingual aspect of the root of a tooth

31
Q

bony FENESTRATION

A

window in the bone surrounded on all sides by bone

32
Q

how is radiographic bone loss calculated?

A

using the amount of bone loss and the total length of the root

33
Q

slight bone loss

A

<20%

34
Q

moderate bone loss

A

≥20%, but <50%

35
Q

severe bone loss

A

≥50%

36
Q

what is the alveolar normal crest height?

A

2 mm of the CEJ

37
Q

what causes fistula?

A

pathologic or atypical passage that is the result of poor healing

38
Q

fistula

A

an unintended or unwanted pathway between differing internal structures or one that connects an internal structure to the (external) surface of a body

39
Q

sinus tract

A

drains an abscess with purulence to a body cavity

40
Q

oroantral fistula

A

an atypical communication between the maxillary sinus and the oral cavity

41
Q

orofacial fistula

A

an atypical communication between the cutaneous surface of the face and the oral cavity

42
Q

oronasal fistula

A

an atypical communication between the nasal cavity and the oral cavity

43
Q

diagnostic sensitivity

A

detects disease whenever it is present (few false negatives) - disease won’t be missed

44
Q

diagnostic specificity

A

detects absence of disease in a healthy population (few false positives) - health wont be missed

45
Q

the greatest diagnostic potential of perio disease is in the contents of what?

A

gingival crevicular fluid

46
Q

what does gingival crevicular fluid contain?

A
  1. host derived enzymes
  2. inflammatory mediators and indicators of immunity
  3. host CT breakdown products
  4. specific bacterial pathogens
  5. bacterial products
47
Q

what is involved in CT breakdown?

A

lysosomal enzymes released by PMN/neutrophil lysosomes

48
Q

what indicates host cell injury and cell necrosis?

A

intracellular cytoplasmic enzymes

49
Q

which inflammatory mediators may initiate osteoclastic bone resorption?

A
  1. prostaglandins (PGE2)
  2. interleukins (IL-1B, IL-6)
  3. TNFα
50
Q

how are specific bacterial pathogens identified?

A

DNA probe analysis

51
Q

bacterial products

A
  1. bacterial enzymes (e.g. bacterial collagenase)

2. lipopolysaccharides (endotoxin)

52
Q

Periodontal Susceptibility Test (PST) screens for what?

A

interleukin-1 gene polymorphism

Perio Comps (12 decks)

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