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NBDE II Random Facts > Perio > Flashcards

Perio Flashcards

1
Q

Steps in pellicle formation (3)

A

Pellice forms (happens quickly)
adhesion and attachment of bacteria
colonization and plaque maturation

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2
Q

How does the type of bacteria in plaque change as it matures?

A

facultative gram + to anaerobic gram -

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3
Q

Red complex bacteria

A

P. gingivalis
T. Forsythus
T. denticola

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4
Q

What bacteria is implicated in Aggressive Periodontitis?

A

AA

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5
Q

What bacteria is implicated in root caries?

A

Actinomyces viscosus

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6
Q

What bacteria is implicated in coronal caries?

A

Strep Mutans

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7
Q

The primary colonizers of dental plaque are what kind of bacteria?

A

Gram + facultative

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8
Q

The predominant inflammatory cells in the periodontal pocket are?

A

Neutrophils

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9
Q

What destroys collagen?

A

MMPs

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10
Q

Defective neutrophils lead to?

A

Aggressive periodontitis

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11
Q

Pathogenesis of Periodontal lesion:
Stage 1: ____ lesion, ____ infiltrate, ___ days
Stage 2: ____ lesion, ____ infiltrate, ___ days
Stage 3: _____ lesion, ____ infiltrate, ___ days
Stage 4: _____ lesion

A

Stage 1: initial lesion, neutrophils, 2-4 days
Stage 2: early lesion, T-cells, 4-7 days
Stage 3: established lesion, B-cells, 14-21 days
Stage 4: advanced lesion, transition to irreversible damage

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12
Q

Define scaling:

A

remove supra gingival & sub gingival plaque & calculus

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13
Q

Define root planing:

A

removal of calculus and cementum

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14
Q

Scalers are used?

A

supragingival

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15
Q

Curettes are used?

A

subgingival

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16
Q

1/2 and 3/4 curettes are used where?

A

anterior

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17
Q

5/6 curette is used where?

A

Anterior and premolar

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18
Q

7/8 and 9/10 curettes are used where?

A

posterior F/L

19
Q

11/12 curette is used where?

A

posterior, medial

20
Q

13/14 curette is used where?

A

posterior, distal

21
Q

What are the 2 types of curettes?

A

Universal and Gracey

22
Q

When inserting a curette into a period pocket, what angulation should be used?

A

0 degrees

23
Q

When performing scaling and root planing, what angulation should be used?

A

45-90 degree angulation

24
Q

Steps of a Modified Widman flap:

A
  1. internal/revers bevel
  2. sulcular incision
  3. interdental (removes the piece of gingiva)
25
Q

A long junctional epithelial attachment is considered?

A

repair

26
Q

A perio pack is made from what material?

A

ZOE

27
Q

When is a free gingival graft used?

A

When we want to increase height of keratinized gingiva

28
Q

When is a connective tissue graft used?

A

when we want to achieve root coverage

29
Q

Ostectomy is the removal of ____ bone.

A

supporting

30
Q

Osteotomy is the removal of ____ bone.

A

non-supporting

31
Q

What is the only way to regenerate attachment?

A

bone graft

32
Q

New attachment refers to:

A

embedding of new PDL fibers into new cementum

33
Q

Reattachment occurs when?

A

reunion of epithelium and CT after injury or incision

34
Q

The new classification of periodontitis uses?

A

Stages and grades

35
Q

Amount of CAL in stage 1, 2, 3, 4 periodontitis?

A

1: 1-2 mm
2: 3-4 mm
3: >5 mm
4: >5 mm

36
Q

Amount of RBL is stage 1, 2, 3, 4 periodontitis?

A

1: 15% (coronal 1/3)
2: 15-33% (middle 1/3)
3: middle 1/3 +
4: middle 1/3 +

37
Q

What what stages of periodontitis has tooth loss occurred and how many teeth have been lost?

A

Stage 3: 4 or less teeth

Stage 4: 5 or more teeth

38
Q

Each stage of periodontitis also gets a “location”:

A

Localized (<30% of sites)
Generalized
Molar incisor

39
Q

Amount of RBL/CAL in grades A, B, C of periodontitis?

A

A: none
B: <2mm in 5 years
C: >2 mm in 5 years

40
Q

% bone loss/age in grades A, B, C of periodontitis?

A

A: <0.25
B: 0.25-1
C: >1

41
Q

Phenotype of grades A, B, C of periodontitis?

A

A: Plaque exceeds amount of destruction
B: Plaque and destruction coincide
C: Plaque levels do not match amount of destruction

42
Q

How does smoking impact Grade?

A

A: non-smoker
B: <10 cigs/day
C: >10 cigs/day

43
Q

How does diabetes impact Grade?

A

A: non-diabetic
B: HbA1c <7%
C: HbAic >7%

NBDE II Random Facts (10 decks)

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