Principles and planning

Question 1

surgery stages

Answer 1

1. flap design
2. incise and reflect
3. account for obstacles
4. methods to overcome obstacles
5. position of instruments to elevate
6. path of withdrawl
7. tooth removal

Question 2

planning stages

Answer 2

1. tooth removal
2. dependant on path of withdrawal
3. dictates position of instruments to elevate
4. influences methods to overcome obstacles
5. account for obstacles
6. inform incision and reflection
7. flap design

Question 3

incision basic principles

Answer 3

1. scalpel
2. no. 15 and no.11 generally
3. crevicular incisions
4. relieving incisions
5. perpendicular to mucosal surface
6. single sweeping
7. be wary of leading edge cutting

Question 4

types of incisions

Answer 4

crevicular
relieving

Question 5

what is classed as an envelope style flap

Answer 5

crevicular incision
relieving incision = 0

Question 6

what is classed as a two sided flap

Answer 6

crevicular incision
relieving incisions = 1

Question 7

what is classed as a three sided flap

Answer 7

crevicular incision
relieving incisions = 2

Question 8

Flap basic principles

Answer 8

flap broad base
ensure blood supply
extend 1 unit either side
incisin margins supported
avoid/include important structures
flap without tension
include papilla
incisions avoid leaving areas avascular
relieving incisions
anterior generally
be mindful of anatomy/ cosmoses
extent dictated by relief

Question 9

tooth removal stages

Answer 9

path of withdrawal
position of instruments to elevate
identification of obstacles
methods to overcome obstacles
bone removal
incision

Question 10

position of instruments to elevate

Answer 10

guided bu eruption path
often mesial

Question 11

why is papilla useful to include in flap design

Answer 11

useful items to suture flap back to where it should be