Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Oral Surgery > Reconstruction > Flashcards

Reconstruction Flashcards

1
Q

planning phase

A

first phase in CASS - computer aided surgical simulation

manipulation of CT/CBCT Dicom data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

phase after surgery

A

evaluation phase

  1. planning
  2. modeling
  3. surgical
  4. evaluation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

cons of microvascular free fibula flap

A

BONE STOCK

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

approaches to reconstruction

A
  1. integrity
  2. function
  3. form
    - aesthetics more last
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

major tissues utalized for free tissue grafting

A
  1. radial forearms
  2. scapula
  3. iliac crest
  4. fibula *
  5. lateral thigh
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

basics of free flaps

A

aka free tissue transfer
flaps are autogenously “transplanted” tissue
- skin, muscle, fascia, bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

blood supply for free flaps

A

intrinsic – anatomy native to donor site

requirement for flap viability
- blood comes in and blood comes out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

CASS stands for

A

computer aided surgical simulation

CASS / virtual surgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

typical applications of CASS

top three noted

A
  1. three dimensional models for treatment planning
  2. custom design prosthesis
  3. replication of segmental anatomic objects for fabrication of surgical reconstructive guides
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

opportunities for error

A
  1. disconnect b/w ablative and reconstructive teams
  2. fibular osteotomies are ofen eyeballed
  3. bone to bone contact
  4. adequate ORTHOGNATHIC relationships
  5. condylar alignment
  6. proper placement of fibula in a anterior/ posterior and inferior superior dimensino
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the phases of CASS

A
  1. planning
  2. modeling
  3. surgical
  4. evaluation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what goes into the planning phase

A

high resolution CT/CBCT/CTA scan

3D virtual reconstrutios

scanned occlusal records / dental casts if applicable

web meeting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

phase 2 is

A

modeling
- life sized stereolithographic model of native craniofacial skeletn and / or pathology

  • cutting guides, reconstruction plating templates, occlusal splints
  • working stereolithographic models
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

evaluation phase

A

4th

  • postoperative CT scans
  • overlays, comparisons
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

“top down” planning?

A

True – with maxillofacial reconstruction

- planning from occlusal / prosthodontic perspective of top-down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

microvascular free fibula flap discovered when

A

1989– hidalgo first to report on a series of vascularized fibula grafs for mandibular reconstruction

17
Q

main disadvantage of microvascular free fibula flap is

A

LACK OF BONE STOCK
- insufficient bone for the reconstruction of both the skeletal base (inferior border of the mandible) and the alveolar ridge

resulting in vertical discrepency between reconstructed and unaffected sides
-lack of vertical height –

18
Q

pros of microvascular free fibula flap

A
  1. long vascular pedicle
  2. solid/ sizeable bone stock
  3. reliable blood supply
  4. distant donor site/ low donor morbidity
  5. ability to accuratley plan using 3-d sofware
19
Q

cons of microvascular free fibula flap

A
  1. bone stock
  2. lengthy operation
  3. complex with many opportunities for error

the main disadvantage of the fibula flap is the insufficient bone for the reconstruction of both the skeletal base (inferior border of mandible) and the alveolar ridge.

20
Q

microvascular free fibula is ability to carry —-

A

carry bone, skin, muscle, nd fascia

With an outstanding
length available for harvest, a solid and sizeable bone stock, a reliable blood supply, an allowance for manipulation of the components of the flap while maintaining adequate blood supply, and the ability to carry bone, skin, muscle and fascia, the fibula flap has become one of the most commonly used vascularized osseous and osteocutaneous flaps for reconstruction of defects around the body, especially the mandible

21
Q

Virtual surgery improves predictability and accuracy?

details

A

YES because the traditional microvascular free fibula

  • free hnd approach
  • operator / experience dependent
  • prone to inaccuracies, intra-op adjustments, rarely restored
22
Q

the future in terms of plates

A

technology enabling pre-milled plates

23
Q

potential drawbacks of CASS

A

cost
adaptability
increased preoperative planning time

24
Q

CASS offers

- list

A
  • optimal preoperative planning
  • decreased intra-operative time
  • teaching aide
  • improves expectations of both patient/ surgeon
  • promotes close coordination between ablative/ reconstruction teams
  • less invasive procedures??
25
Q

integrity

A

alimentary tract
face
neck
intracranial

first aspect / approach to reconstruction

26
Q

function

A

second approach to reconstruction

mastication
swallowing
speech
facial expressions

27
Q

form

A

3rd approach to reconstruction

- asthetics

Oral Surgery (26 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions