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Perio Oral Exam > SG > Flashcards

SG Flashcards

1
Q

Primary cause of perio ds is

A

Plaque not calculus

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2
Q

Perio ds is bacterial plaque in a

A

susceptible host

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3
Q

Dental plaque is

A

Structurally and functionally organized, species rich, microbial biofilms that form on teeth

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4
Q

Calculus

A

mineralized plaque that forms hard deposits

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5
Q

Materia alba

A

soft accumulation of salivary proteins, bacteria, desquamated epithelial cells and food debris

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6
Q

Predominant cells of early lesion

A

PMNs, macrophages, T-lymphocytes

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7
Q

Predominant cells of established lesions

A

PNMs, macrophages, T-lymphocytes, B-lymphocytes, plasma cells

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8
Q

Stage 1

A

1-2mm CAL, <15% BL, no tooth loss, probing depth=4mm or less, mostly horizontal BL

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9
Q

Stage 2

A

3-4mm CAL, 15-33% BL, no tooth loss, probing depths=5mm or less, mostly horizontal BL

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10
Q

Stage 3

A

5mm or more CAL, BL >33%, 4 or less teeth, probing depths of 6mm or more, vertical BL 3mm more more, Class 3-4 furcation, moderate ridge defects

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11
Q

Stage 4

A

5mm or more CAL, BL >33%, 4 or less teeth, probing depths of 6mm or more, vertical BL 3mm more more, Class 3-4 furcation, severe ridge defects, secondary occlusal trauma, bite collapse, pathological migration of teeth, <20 remaining teeth (10 opposing pairs)

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12
Q

Grade A

A

Slow rate = nonsmoker and nondiabetic

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13
Q

Grade B

A

Moderate rate, <10 cig/day, diabetic with HbA1c <7

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14
Q

Grade C

A

Rapid rate, >10cig/day, diabetic HbA1c >7%

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15
Q

Mobility

A

Use 2 rigid instruments, not fingers. (may show thickened PDL, clenched/bruxism, missing tilted teeth, evidence of working/balancing occlusal interferences

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16
Q

Mobility Grade 1

A

First distinguishable sign of movement more than normal (physiologic)

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17
Q

Mobility Grade 2

A

Movement which allows crown to move 1 mm from its normal position in any direction

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18
Q

Mobility Grade 3

A

Tooth may be rotated or depressed in alveoli

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19
Q

Furca: Glickman Grade 1

A

Pocket formation into the flute of the fucra, but the inter-radicular bone is intact

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20
Q

Furca: Glickman Grade 2

A

Loss of inter-radicular bone with pocket formation of varying depths into the furca, but not completely through to the other side (can be shallow or deep)

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21
Q

Furca: Glickman Grade 3

A

Complete loss of inter-radicular bone with pocket formation completely probable to the other side B/L

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22
Q

Furca: Glickman Grade 4

A

Loss of attachment and gingival recession that has made the furcation clearly visible

23
Q

Hamp

A

Classification of horizontal component of the furca involvement.

24
Q

Hamp Degree 1

A

<3mm

25
Q

Hamp Degree 2

A

> 3mm but not the total width of furca area

26
Q

Hamp Degree 3

A

Through and through

27
Q

Tarnow

A

Classification of the vertical component

28
Q

Tarnow Class A

A

Up to 1/3 of furca (1-3mm)

29
Q

Tarnow Class B

A

Up to 2/3 of the furca (4-6mm)

30
Q

Tarnow Class C

A

Into apical third (>7mm)

31
Q

Components of biological width

A

1 mm of Junctional Epithelium and 1mm of Connective tissue

32
Q

Stippling

A

A form of adaptive specialization or reinforcement of function. Indicates health, pt may not have stippling and still be health

33
Q

Bundle Bone

A

Attachment for PDL fibers into the bone (Lamina Dura is just a radiographic term for it)

34
Q

Cortical/cancellous bone

A

Spongy bone btw teeth

35
Q

Rests of Malassez

A

Remnants of Hertwigs tooth sheath (cells form in the cervical part of the enamel organ, can persist and embed in the PDL)

36
Q

Cervical Enamel Projections

A

Enamel extending into the furcation

37
Q

CEP Stage 1:

A

Extends from the CEJ toward the furcation entrance

38
Q

CEP Stage 2:

A

Approaches the entrance to the furcation, does not enter the furcation, no horizontal component is present

39
Q

CEP Stage 3

A

Extends horizontally into the furcation

40
Q

Palatal gingival groove

A

Groove that extends down the root which can be a highway for bacteria. 4-6 % of lateral MI

41
Q

Short Root trunk

A

Less attachment to be lost before furcation involvement, easier access to tx

42
Q

Long root trunk

A

More attachment to be lost before furcation involvement, less accessible to tx plaque control

43
Q

Free Gingival groove

A

Demarcation btw attached gingiva and mucosa (50% incidence)

44
Q

Attachment of JE

A

attaches to the tooth via hemidesmosomes and non-collagenous proteins (proteoglycans and glycosaminoglycans)

45
Q

Alveolar crest PDL fibers

A

Cementum -> crest of alveolar bone prevents extrusion

46
Q

Horizontal PDL fibers

A

Cementum -> alveolar bone at 90 degree to surface (opposes lateral forces)

47
Q

Oblique PDL Fibers

A

Cementum -> Alveolar bone in slight coronal direction (largest group resisting vertical masticatory forces)

48
Q

Apical PDL fibers

A

Cementum -> apical alveolar bone resisting luxation and tipping

49
Q

Interradicular PDL fibers

A

Cementum -> furcation bone resists laxation and tipping

50
Q

PDL fibers main fxn

A

support, nutrition, formative sensory (shock absorbers)

51
Q

PDL fibers contain

A

Blood vessels, collagen type 1, 3, 4, proprioceptive nerve endings (transmits pressure and pain via trigeminal nerve)

52
Q

Acellular cementum is

A

coronal 1/3

53
Q

Cellular cementum is

A

apical 1/3

54
Q

Cementum is

A

calcified mesenchymal tissue (45-50% hydroxyapatite), non-vascularized, no nerves, no lymph, grows by apposition

Perio Oral Exam (1 decks)

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