Facial Plastics

Question 6

The 9 subunits of the nose

Answer 6

• tip subunit
• columellar subunit
• right alar base subunit
• right alar wall subunit
• left alar wall subunit
• left alar base subunit
• dorsal subunit
• right dorsal wall subunit
• left dorsal wall subunit

Question 7

Up to 30% lip loss

Answer 7

primary repair

Question 8

30-60% lip loss

Answer 8

Abbe Estandler flap

Question 9

> 60% lip loss

Answer 9

karapandzic flap

Question 14

Relaxed Skin Tension Lines

Answer 14

Langerhan Lines

Question 15

List the Fitzpatrick Skin Types

Answer 15

The Fitzpatrick Scale:

**Type I** - Light, pale white. Always  burns, never tans

** Type II** - White; fair. Usually burns, tans with difficulty

* *Type III** - Medium, white to olive. Sometimes mild burn, tans to olive
* *Type IV** - Olive, moderate brown. Rarely burns, tans with ease to a moderate brown.
* *Type V** -  Brown, dark brown. Very rarely burns, tans very easily
* *Type VI** - Black, very dark brown to black. Never  burns, tans very easily, deeply pigmented.

Question 16

List the major facial landmarks

Answer 16

Question 17

How is the face divided in width?

Answer 17

Into fifths

Question 18

How is the face divided in height?

Answer 18

into thirds

Question 19

What is the nasofrontal angle?

Answer 19

115 to 135 degrees

Question 20

What is the nasolabial angle?

Answer 20

Male (A), 90 to 95 degrees

Female (B), 95 to 110 degrees.

Question 21

What is the nasofacial angle?

Answer 21

30 to 40 degrees

Question 22

What is the nasomental angle?

Answer 22

120 to 132 degrees

The lips should fall just behind this line at a distance of 4 mm for the upper lip and 2 mm for the lower lip.

Question 23

What are the lip aesthetic subunits?

Answer 23

Question 24

What is Frankfurts plane?

Answer 24

Passes from upper margin of the EAC to the inferior margin of the orbit.

Question 25

What are the stages of skin graft healing?

Answer 25

1) Imbibition - day 0-3
2) Inosculation - day 3-5
3) Revascularization- day 5 on

Question 26

What is the internal nasal valve?

Answer 26

Internal nasal valve area borders are the septum, piriform aperture floor, head of the inferior turbinate and the caudal border of the upper lateral cartilage

Need angle of 10-15 degrees, if less = INV collapse

Question 27

What is the external nasal valve?

Answer 27

External nasal valve is formed by the nasal vestibule caudal to the INV.

The fibrofatty alar and lower lateral cartilage
tissues make up the lateral and anterior borders along with the caudal septum and piriform aperture

Question 28

What is the Cottle Maneuver?

Answer 28

Positive test if obstruction relieved (INV)