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Perio II > OEQ > Flashcards

OEQ Flashcards

1
Q

If a patient needs Cetacaine, how much can you apply:

A

0.4mL

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2
Q

what defect has the BEST prognosis for regeneration?

A

Three-wall

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3
Q

what defect is most common?

A

Two-wall

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4
Q

What is another name for two-wall defect?

A

Crater

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5
Q

T/F: The number of walls is determined by the amount of walls lost

A

False- by the number of walls REMAINING

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6
Q

What are the FUNCTIONAL indications for crown lengthening:

A
  1. Restoration with subG gingival margin
  2. Fractured tooth
  3. Endo perforation
  4. Internal root resorption
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7
Q

T/F: 85% chance of leaving residual calculus or biofilm in pockets of >5mm

A

True

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8
Q

Where is most calculus left?

A

CEJ & Line angles

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9
Q

What is the final goal of SRP?

A

Functional, comfortable, healthy dentition with stable probing attachment levels

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10
Q

What does GTR stand for?

A

Guided tissue regeneration

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11
Q

Non-surgical treated areas have a ___ percentage of defects that convert from non-diseased to diseased sites than surgically treated areas

A

Greater

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12
Q

The union of connective tissue with the root surface that has been deprived of its original attachment apparatus?

A

New attachment

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13
Q

The reunion of connective tissue with a root surface on which viable PDL is present:

A

Reattachment

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14
Q

The healing of a wound that does not fully restore function:

A

Repair

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15
Q

What is the most common flap done? What is another name for it?

A

Mucoperiosteal (full thickness)

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16
Q

A partial thickness flap leaves:

A

Periosteum on bone

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17
Q

T/F: Success is determined by the patients ability to keep good homecare

A

True

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18
Q

What is the MAIN GOAL of flap surgery?

A

ACCESS!!!!

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19
Q

What is the angle of the external bevel for gingivectomy

A

45 degrees

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20
Q

What is the most common indicator of a gingivectomy?

A

Gingival enlargement

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21
Q

Gingivectomy can be done on ____ defects

A

SUPRAbony

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22
Q

Where does the source of healing come from?

A

PDL

(flap margin & underlying bone as well)

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23
Q

What is the second stage of healing?

A

Revascularization

Order of healing:
1. incorporation (clot formation)
2. revascularization
3. resorption of graft material with release of BMP to induce bone formation
4. bone formation
5. bone remodeling & maturation

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24
Q

An ideal bone graft releases:

A

BMP

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25
Q

75% Hydroxyapatite 25% bovine graft:

A

Composite graft

26
Q

Placement of the flap margin is done at the alveolar crest, what occurs?

A

Elimination of pocket

27
Q

Placement of the fap margin coronal to the alveolar crest, what occurs?

A

Pocket reduction

28
Q

What is an advantage to resection?

A

Easier & quicker

29
Q

Which of the following is indicated a s a hemiseptum?

30
Q

List the determinants of gingival contour:

A
  1. interdental space
  2. position of tooth in the arch (facial or lingual position in the alveolus)
  3. root shape
  4. crown shape

NOT NECESSARILY UNDERLYING BONE

31
Q

Windowing of bone=

A

Fenestration

32
Q

What is a true intrabony defect?

33
Q

List the percentages of SRP & surgical therapy for the following probing depths:

1-3mm:

4-6mm:

6+mm:

A

1-3mm:
SRP= 86%
OFD= 86%

4-6mm:
SRP: 43%
OFD: 76%

6+mm:
SRP: 32%
OFD: 50%

34
Q

T/F: Guided tissue regeneration excludes epithelial cells and CT

35
Q

Tissue transferred from one site to another site in the same individual:

A

Autografts

(intraoral, iliac crest, ribs)

36
Q

Tissue transferred between individuals of DIFFERING SPECIES:

A

Xenograft

(bovine, swine)

37
Q

Tissue transferred between individuals of SAME SPECIES:

38
Q

Variables affecting grafting success include include all of the following except:

A

antibiotics

39
Q

Opening facial to get interproximal defects:

A

Anterior curtain

40
Q

What should be done prior to crown lengthening surgery:

A

Bone sounding under LA

41
Q

If you have 3mm of gingival recession on a tooth, with a 3mm probing depth, what is the overall attachment loss?

42
Q

Despite the skill of the clinician, how much residual calculus or biofilm is left in periodontal pockets of greater than 5mm?

43
Q

Residual calculus or biofilm is left at:

A

CEJ & Line angles

44
Q

What is the final goal of periodontal therapy?

A

Functional, comfortable, healthy dentition with stable probing depths and attachment levels

45
Q

Epithelial exclusion is acheived with what technique?

A

Guided tissue REGENERATION

46
Q

Single-rooted teeth, compared to molar teeth, have been shown to respond to which modality of periodontal therapy?

A

Both (single responds better all around)

47
Q

A mucoperiosteal flap is also known as:

A

Full thickness flap

48
Q

Which of the following does NOT increase the width of keratinized gingiva?

A

Modified widman

49
Q

A mucoperiosteal flap is also known as:

A

Full thickness

50
Q

What is the purpose of creating a flap that extends past the MG junction:

A

To allow epithelial attachment to the root

51
Q

Reshaping of bone to achieve a more physiologic form without removal of alveolar bone is called:

A

Osteoplasty

52
Q

Removal of alveolar bone proper:

53
Q

What is it called when interdental crestal bone is APICAL to the level of the radicular bone:

54
Q

Regeneration techniques have the best prognosis with ___ wall defects

55
Q

Large round burs are used for:

A

Osteoplasty

56
Q

Which of the following is NOT a reason for excessive gingival display?

57
Q

The gingival margin of the lateral incisor shoudl be ___ to be considered esthetic

A

0.5-1.0mm coronal

Perio II (12 decks)

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