Introduction

Question 1

What is incisional biopsy?

Answer 1

Take small incision/piece of lesion that is greater than 1 cm.

Question 2

What is Excisional biopsy?

Answer 2

Removal of entire lesion that is typically less than 1 cm.

Question 3

What is an impacted tooth?

Answer 3

Tooth that fails to erupt within the expected time.

Question 4

Which are most commonly impacted teeth?

Answer 4

Mandibular 3rd molars, max 3rd molars, and max canines.

Question 5

What are the impacted angulations and which are most and least difficult to remove?

Answer 5

• Mesioangular (least)
• Horizontal
• Vertical
• Distoangular (most)

Question 6

What is the Pell and Gregory Classification of impacted teeth? (ClassesI,II,III)

Answer 6

Class I: Normal position anterior to ramus
Class II: 1/2 of crown in in ramus
Class III: Entire crown embedded within ramus.

Question 7

What is the Pell Gregory classificaton (A,B,C)?

Answer 7

Class A: Tooth at same plane as other molars
Class B: Occlusal plane of 3rd molars between occlusal plane and cervical line of 2nd molar.
Class C: 3rd molar is below cervical line of 2nd molar.

Question 8

Unerupted teeth include what?

Answer 8

Both impacted teeth and still erupting teeth.

Question 9

What are the classes of bone types?

Answer 9

I: Homogeneous compact bone
II: Thick compact bone surrounding trabecular core
III: Thin cortical bone surrounds trabecular core.
IIII: Thin cortical bone around spongy core.

Question 10

What is Autograft, Allograft, Xenograft?

Answer 10

Auto: uses own tissue
Allo: cadaver tissue
Xeno: Tissue from another species.

Question 11

What are BMP (bone morphogenetic protein)?

Answer 11

Induce bone formation to enhance graft healing.