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Perio II > Indications for Surgery > Flashcards

Indications for Surgery Flashcards

1
Q

List the goals of non-surgical therapy: (5)

A
  1. removal of plaque & calculus
  2. microflora alteration
  3. endotoxin removal
  4. “smooth” surface
  5. tissue shrinkage
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2
Q

For a periodontal pocket of the following measurements, give the efficacy of SRP & OFD:

A) 1-3mm
B) 4-6mm
C) >6mm

A

A) SRP= 86% OFD=86%

B) SRP= 43% OFD= 76%

C) SRP= 32% OFD= 50%

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3
Q

In pockets greater 5mm, ____% chance of leaving residual calculus & biofilm

A

85%

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4
Q

Where is most residual calculus & biofilm left in deep pockets?

A

CEJ & line angles

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5
Q

List the disadvantages of non-surgical therapy: (5)

A
  1. depth of pocket determines efficiency
  2. loss of connective tissue by SRP in healthy sites
  3. thin vs. thick tissue
  4. instrumentation of furcations
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6
Q

What are the two concerns with instrumentation of furcations with nonsurgical therapy?

A
  1. size of instruments
  2. size of furcation entrances
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7
Q

What is the ENDPOINT of SRP?

A

Eliminate inflammation, BOP, suppuration & disease progression

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8
Q

What is the FINAL GOAL of SRP?

A

Final goal of a functional, comfortable, healthy dentition with stable probing attachment levels

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9
Q

List the 9 indications for periodontal surgery:

A
  1. Root & defect access
  2. Regeneration
  3. Pocket elimination
  4. Removal of bacteria
  5. Mucogingival surgery/Periodontal plastic surgery
  6. Retreatment of case
  7. Pre-prosthetic surgery
  8. Drug-induced gingival overgrowth
  9. Abscess debridement
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10
Q

T/F: In terms of root & defect access, plaque and calculus removal by non-surgical means is more difficult to accomplish in deeper pockets

A

True

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11
Q

With root & defect access, it is difficult for _____ without surgical access

A

furcation instrumentation

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12
Q

In terms of root & defect access, surgical therapy allows for: (2)

A
  1. granulation tissue removal
  2. access to osseous defects
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13
Q

The ‘gold standard’ of periodontal surgery?

A

Regeneration

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14
Q

What is regeneration?

A

Reconstitution of a lost or missing part

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15
Q

In periodontics what are the three components of regeneration?

A
  1. New PDL
  2. New cementum
  3. New bone
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16
Q

What are the types of regenneration in periodontal surgery?

A
  1. autografts
  2. allografts
  3. alloplasts/xenografts
  4. guided tissue regeneration
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17
Q

T/F: Not every person is susceptible to periodontal disease due to risk factors & genetics

A

True

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18
Q

What are the two factors that determine whether a person is susceptible to periodontal disease?

A
  1. risk factors
  2. genetics
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19
Q

Following SRP, most calculus is left at:

A

CEJ & line angle

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20
Q

Prophys should ONLY be done in:

A

periodontal health

21
Q

In patients with thin phenotype gingiva, these patients are more susceptible to:

A

Recession

22
Q

What does BOP tell us?

A

Presence of inflammation

23
Q

What is the instrument of choice in furcation areas?

A

Cavitron

24
Q

Regenerates involving bone from self:

A

autograft

25
Q

Regeneration that involves bone from the same species:

A

allograft

26
Q

Regeneration that involves bone from different species (sheep, cow, etc.):

A

xenografts

27
Q

Synthetic product made in lab that stimulates replication/regrowth of the bone:

A

alloplasts

28
Q

Because cells move at a very different pace, excluding the epithelium or connective tissue & allowing the bone cells to move in at a slower pace, guiding the cells we want to grow in that area:

A

Guided tissue regeneration

29
Q

Guided tissue regeneration membrane will provide:

A

epithelial exclusion

30
Q

Gram negative anaerobic microflora produce _____ causing mediators to come in and we get ____

A

endotoxins; inflammation

31
Q

What type of bacteria in the microflora cause inflammation leading to periodontitis?

A

Gram negative anaerobic microflora

32
Q

T/F: Periodontal disease typically causes pain

A

False

33
Q

T/F: Hand instruments are best option for scaling furcation areas

A

False- cavitrons are better option due to hand instruments not being able to fit

34
Q

How do you prove regeneration has occured?

A

Measure from the CEJ to the alveolar crest is a good start because it tells you something has filled that gap but the only way to measure for true regeneration is to take the tooth out so obviously that’s counterproductive

35
Q

To prove regeneration has occured by extracting the tooth (you really wouldn’t do this) you would look under the microscope for:

A
  1. Osteoblasts
  2. Cementoblasts
  3. PDL cells
36
Q

-Osseous contouring with placement of the flap margin at the alveolar crest

-Creation of shallow sulci

-Ease of maintenance by therapist & patient

A

Pocket elimination via surgical therapy

37
Q

What is seen in AGGRESSIVE peridontitis?

A

Bacterial penetration (into the soft tissue)

38
Q

Aggressive periodontitis was formerly known as:

A

LJP/GJP

39
Q

What is the causative bacterial pathogen associated with aggressive peridontitis?

A

A.a

40
Q

-Regain periodontium
-Remove frena
-Increase root coverage
-Increase keratinized tissue
-Restore gingival topography
-Pre-prosthetics & Pre-orthodontics

A

Mucogingival surgery/Periodontal plastic surgery

41
Q

Retreatment of case is an indication for surgery and is performed when:

A
  1. Non-surgical therapy had failed
  2. Surgical therapy has failed
  3. New techniques or materials are available
42
Q

-Crown lengthening
-Ridge augmentation
-Palatal recontouring
-Gingivectomy/Gingivoplasty
-Ridge or tuberosity reduction

These are all forms of:

A

Pre-prosthetic surgery

43
Q

What drugs may lead to drug-induced gingival overgrowth:

A
  1. Dilantin
  2. Cyclosporin
  3. Calcium channel blockers (Nifedipine)
44
Q

T/F: Non-surgically treated areas have a lesser percentage of defects that convert from non-diseased to diseased sites that surgically treated sites

A

False- greater percentage

45
Q

_____ areas have a greater percentage of defects that convert from non-diseased to diseased sites than ____ sites

A

Nonsurgically treated; surgically treated sites

46
Q

All studies show that results in single-rooted teeth are ____ for both non-surgical AND surgical modalities than molars

A

better

47
Q

____ are NOT indicated until periodontal disease has been controlled and all other dental needs are addressed in a comprehensive treatment plan

A

Implants

48
Q

Implants are NOT indicated until:

A

Periodontal disease has been controlled & all other dental needs are addressed in a comprehensive treatment plan

49
Q
A

Perio II (4 decks)

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