Raising Flap

Question 1

Name some common flap design?

Answer 1

1. Envelope flap
2. Triangular flap
3. Trapezoidal flap

Question 2

What are adv and disadv of envelope flap?a

Answer 2

Adv: good reapproximation
Disadv: difficult to reflect, high tension, limited access

Question 3

What are adv and disadv of triangular flap?

Answer 3

Adv: adequate blood supply, satisfactory visualisation, good reapproximation
Disadv: defect in attached gingiva

Question 4

What are adv and disadv of trapezoidal flap?

Answer 4

Adv: excellent access (+1 teeth), no tension
Disadv: lead to gingival recession

Question 5

Why should air powered drill not be used for bone removal?

Answer 5

Avoid submucosal emphysema - this can increase risk of infection

Question 6

If designing flap for access to lower premolar, what structures need to be aware of?

Answer 6

Mental nerve - exits from mental foramen

Question 7

If the mental nerve is damaged, what is pt likely to experience?

Answer 7

Altered sensation to lower lip and chin

Question 8

What is adv of interrupted sutures?

Answer 8

Simple to perform and loosening of one will what affect remaining

Question 9

What suture is often used IO?

Answer 9

Resorbable sutures
Vicryl rapide 3.0/ 4.0