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Perio II > Osseous Surgery: Regeneration- Review > Flashcards

Osseous Surgery: Regeneration- Review Flashcards

1
Q

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

A

Autograft

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2
Q

Tissue trasnferred between individuals of the SAME SPECIES:

A

Allograft

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3
Q
  1. free-dried bone
  2. demineralized freeze-dried bone
  3. solvent treated

All of the following are:

A

Allograft

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4
Q

INERT material used for graft:

A

alloplast

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5
Q
  1. calcium sulfate
  2. calcium phosphates
  3. HTR
  4. Bioactive glass ceramics
  5. SRM

all of these are types of:

A

alloplasts

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6
Q

Tissue transferred between individuals of DIFFERING SPECIES:

A

Xenograft

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7
Q
  1. bovine bone
  2. bovine bone + cell-binding peptide-15
  3. fetal pig enamel matrix derivative

all of these are types of:

A

Xenografts

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8
Q

Combination of grafts:

A

composite

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9
Q

25% hydroxyapatite and 75% freeze dried bone is an example of:

A

composite graft

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10
Q

Bone sources for grafting can be:

A

intraoral or extraoral

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11
Q

Intraoral sources for bone grafting include:

A
  1. cortcal bone chips
  2. osseous coagulum
  3. healing extraction socket
  4. chin or ramus block graft
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12
Q

Extraoral sources for bone grafting:

A
  1. iliac crest
  2. ribs
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13
Q

When calcium sulfate is added to FDBA:

A

CaSO4 regeneraton

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14
Q

In CaSO4 regeneration, what is added to FDBA?

A

calcium sulfate

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15
Q

What is the rationale behind CaSO4 regeneration?

A

Calcium sulfate binds bone particles to prevent bone washout and also accelerates bone formation by enhancing BMP and providing a source of calcium ions to aid in mineralization

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16
Q

Indications for regeneration/bone replacement grafts:

A
  1. deep vertical defects
  2. esthetic considerations
  3. teeth critical to prosthesis
  4. when anatomy precludes other procedures
  5. GTR
17
Q

Contraindications for regeneration/bone replacement grafts:

A
  1. poor plaque control
  2. medically compromised
  3. poor maintenance compliance
18
Q

Advantages of regeneration/bone replacement grafts:

A
  1. restores lost periodontal tissue
  2. maintains teeth in healthy functional state
  3. enhances long term prognosis of teeth
19
Q

Disadvantages of regeneration/bone replacement grafts:

A
  1. technique and material sensitive
  2. expensive
  3. may require 2 surgeries
  4. unpredictable outcome
  5. requires ideal wound closure
  6. longer/more frequent post-op care
  7. send surgical site sometimes required
  8. success decreases significantly in furcation
  9. defect dependent
  10. expensive
20
Q

Connective tissue is the coding to determine the type of tissue you obtain from a graft. Free gingival grafts will end up revascularizing with the underlying connective tissue. This is the ____ to bone graft replacement

A

Biologic response

21
Q

What is the coding to determine the type of tissue you obtain from a graft.

A

connective tissue

22
Q

T/F: Free gingival grafts will end up revascularinzing with the underlying connective tissue:

23
Q

Biologic response when viable osteoBLASTS are replaced

A

osteogenic

24
Q

Scaffold for bone formation (freeze-dried bone allograft, bioactive glass):

A

osteoconductive

25
Q

Release of material to induce bone formation:

A

osteoinductive

26
Q

Production of bone by a biologic mechanism:

A

osteoproductive

27
Q

1.viable osteoblasts are transplanted
2. scaffold for bone formation
3. release of material to induce bone formation
4. production of bone by a biologic mechanism

A
  1. osteogenic
  2. osteoconductive
  3. osteoinductive
  4. osteoproductive
28
Q

Describe the healing sequence:

A
  1. Incorporation (clot formation)
  2. Revascularization
  3. Resorption of graft material with slow release of BMP to induce bone formation
  4. Bone formation
  5. Bone remodeling and maturation
29
Q

Graft success is dependent on:

30
Q

What type of defects have little to no success with grafts?

A

horizontal bone loss (suprabony defects)

31
Q

List in order the success rates of infra bony defects (most to least successful)

A
  1. 3 walled
  2. 2 walled
  3. 1 walled
32
Q

List some complications of grafting:

A
  1. no regeneration
  2. sequestra
  3. root resorption (rare)
  4. donor site problems (at second site)
  5. infection (less than 1%)
33
Q

Variables that can affect grafting success include:

A
  1. pre-scaling or scaling at time of surgery
  2. local drug delivery before surgery
  3. flap design
  4. intramarrow penetration
  5. hydration of graft material
  6. root treatment or m modification
  7. use of antibiotics
  8. endodontics & graft success
  9. smoking & graft success

Perio II (12 decks)

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