Complicated Extraction Flap Operations:

Question 1

When to do a flap

Answer 1

When routine procedures fail

Question 2

Principle of flap design pertaining to: Prevent ischemia & necrosis of the flap

Answer 2

Broad Based

Question 3

Principle of flap design pertaining to: Preserve an adequate blood supply

Answer 3

Broad Based

Question 4

Principle of flap design pertaining to: Attached portion is wider than the detached portion

Answer 4

Broad Based

Question 5

Principle of flap design pertaining to: Incision should go all the way up to the periosteum

Answer 5

Full Thickness

Question 6

Principle of flap design pertaining to: Carries all of the layers of flap

Answer 6

Full Thickness

Question 7

Principle of flap design pertaining to: Flap must be of adequate size for better visualization of the area

Answer 7

Accessibility

Question 8

Principle of flap design pertaining to: Reflection without tension

Answer 8

Accessibility

Question 9

Principle of flap design pertaining to: all edges of flap is supported by bone

Answer 9

Made over Sound Bone

Question 10

Principle of flap design pertaining to: Importance of knowledge of your anatomy: major arteries or blood vessels or nerves

Answer 10

Avoidance of Anatomical Structure

Question 11

Principle of flap design pertaining to: No (relieving) vertical incision on the lingual side of the mandible

Answer 11

Avoidance of Thin Mucosa

Question 12

Principle of flap design pertaining to: Avoidance of canine eminence in the maxillary area

Answer 12

Avoidance of Thin Mucosa

Question 13

Principle of flap design pertaining to: Occupies the space between teeth

Answer 13

Avoidance of Interdental Papilla

Question 14

Principle of flap design pertaining to: Damaged Papilla

Answer 14

Avoidance of Interdental Papilla

Question 15

Principles of flap design:

Answer 15

Broad Based
Full Thickness
Accessibility
Made over Sound Bone
Avoidance of Anatomical Structure
Avoidance of Thin Mucosa
Avoidance of Interdental Papilla

Question 16

Usually in these cases you almost ALWAYS have to open up a flap especially if stable or already hard

Answer 16

Hypercementosis

Question 17

Most common reason why we open up a flap

Answer 17

Extensive caries

Question 18

Indication of flap that presents as Absence of PDL space

Answer 18

Ankylosis

Question 19

Flap extends to 2 teeth anterior and 1 tooth posterior to the tooth that will be extracted

A form of this flap is also used in periodontics

Answer 19

Envelope / Sulcular Flap

Question 20

Flap extends to 1 tooth anterior and posterior to the
tooth that will be extracted

Answer 20

Triangular / 3-Corner Flap and Trapezoidal / 4-Corner Flap

Question 21

Type of flap but with 1 relieving incision

Answer 21

Triangular / 3-Corner Flap

Question 22

flap that Gives most amount of access

Answer 22

Trapezoidal / 4-Corner Flap

Question 23

Type of flap but with 2 relieving incisions

Answer 23

Trapezoidal / 4-Corner Flap

Question 24

Flap Used in endodontic or periapical surgeries of a tooth

Answer 24

Semilunar Flap

Question 25

common filling material during apicoectomy

Answer 25

MTA

Question 26

A 4-corner flap but with a slight difference:
○ The incisions are made inside the mucogingival junction

Answer 26

Ochsenbein-Luebke Flap

Question 27

Flap with high tendency of having scar tissue

Answer 27

Alveolar Mucosa Flap

Question 28

Flap Used in removing tori

Answer 28

Y - Flap

Question 29

Flaps Used in closure of Oro-Antral Openings or Fistulas

Answer 29

Pedicle Flaps

Question 30

How to Use Root Tip Pick

Answer 30

1. Look for the high edge: where you’ll put the root tip pick.
2. Push it away from the wall.
3. Root tip rotates out of the socket.
4. Take it out with hemostats, cotton pliers, or any fine instrument.

Question 31

When sectioning a tooth, we cute from ______ to _____, separating the ______ and ______ half

Answer 31

Cut from mesial to distal, separating the Buccal and Palatal half

Question 32

Width of Bone Removed in difficult extractions:

Answer 32

The Approximate Mesio-Distal Width of the Root

Question 33

Bur used in removing bone

Answer 33

surgical round bur #4

Question 34

Length of Bone Removed in difficult extractions:

Answer 34

About 1/2 to 2/3 the Root Length

Question 35

Needle is held about ________ from the tip

Answer 35

2/3

Question 36

Needle penetrates ___________ to tissue

Answer 36

perpendicularly

Question 37

Sutures are Passed from _____ tissue to ______ Tissue

Answer 37

Free tissue to Fixed Tissue

Question 38

In suturing: Puncture the mucosa from a distance of at least _
mm from the incision line

Answer 38

3 mm

Question 39

Space each suture about ______ mm apart

Answer 39

3-5 mm apart

Question 40

When cutting off sutures, should be ____ mm from the
knot

Answer 40

2-3mm

If gut, nylon, or polypropelene, it can be 3-4 mm