Periodontium II Flashcards Preview

Quizam 3 Oral Bio > Periodontium II > Flashcards

Flashcards in Periodontium II Deck (16):
1

What is the composition of cementum?

50% Inorganic
50% organic

2

What is the predominate collagen in cementum?

Type 1 (90%)

3

Primary cementum or Acellular extrinisc covers the.... of the root?

coronal 2/3

4

the secondary cementum or the cellular intrinisc cementum covers the .... of the root?

apical 1/3

5

Intrinsic fibers of the cementum run

up/down
Coronal/apical

6

Extrinsic fibers of the cementum run

sideways

7

Name some attributes of AEFC (4)

Cells on surface
No cemntoid
Slow
Very mineralized

8

What is the function of AEFC?

Attachment of PDL to cementum

9

Name some attributes of CIFC. (4)

Laminar
Encapsulated cells (cementocytes)
Cementoid visible
not in canines or incisors

10

function of CIFC?

adapt for wear

11

where do you find the intermediate cementum?

between the tomes and dental cementum proper

12

What is mixed cementum

AEFC and CIFC
Extrinsic and intrinsic fibers

13

Hypercementosis can cause

toth anklose

14

what is most resistant to resorption?

cementum

15

what are they 5 types of tooth movement

tipping
bodily movement
Extrusive
Intrusive
Rotational

16

what are four types of net results of tooth movements

compression
tension
hyalinization
undermining