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Perio II > Osseous surgery- Regeneration - Review > Flashcards

Osseous surgery- Regeneration - Review Flashcards

1
Q

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

A

Autograft

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2
Q

Tissue transferred between individuals of the SAME SPECIES:

A

Allograft

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3
Q
  1. Freeze-dried bone
  2. Demineralized freeze-dried bone
  3. Solvent-treated

All of these are types of:

A

Allograft

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4
Q

INERT material 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

Alloplast

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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-bindign peptide 15
  3. fetal pig enamel matrix derivative

All of these are types of:

A

Xenograft

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8
Q

Combition of different types of grafts:

A

Composite

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9
Q

25% hydroxyapatite & 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:

A
  1. cortical 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 regeneration

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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 include:

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 include:

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

Advantages of regeneration/bone replacement grafts include:

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 include:

A
  1. technique and material sensitive
  2. expensive
  3. may require two surgeries
  4. unpredictable outcome
  5. requires ideal wound closure
  6. longer/more frequent post op care
  7. second 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 revascularizing with the underlying connective tissue

23
Q

Biological response when viable osteoBLASTS are transplanted:

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

Suprabony defects (horizontal bone loss)

31
Q

List in order the success rates of inrabony defects (most to least):

A
  1. three walled
  2. two walled
  3. one 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 can include:

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

Perio II (12 decks)

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