Module 3

Question 1

Cementum is a _______ tissue that covers the surface of the _____?

Answer 1

connective

root

Question 2

Cementum attaches to the ______ of the root?

Answer 2

dentin

Question 3

________ of cementum is the reason that it is possible to move teeth in orthodontic treatment?

Answer 3

resistance to resorption

Question 4

What are the 2 MAIN types of cementum?

Answer 4

Acellular (Primary)

Cellular

Question 5

The Cementum has its own rich blood/nutrient supply? T/F

Answer 5

False

it gets these things from the PDL

Question 6

What are the 2 main functions of the cementum?

Answer 6

Give attachment site for PDL fibers

Seal of dentinal tubules

Question 7

What does cementum do in order to compensate for attrition?

Answer 7

Lay down more cementum at the apical region of the tooth.

Question 8

Cementum is _____ active than other tissues and is more about _____ of material?

Answer 8

less

deposition

Question 9

_______ cementum is responsible for attaching the tooth to the alveolar bone?

Answer 9

Acellular (primary)

Question 10

Acellular cementum contains ____ living cells and is the ____ to be formed.

Answer 10

NO

1st

Question 11

The Acellular cementum covers the ______ portion of the tooth and is ____-____ um thick.

Answer 11

cervical

30-60

Question 12

______ cementum is formed after the tooth erupts?

Answer 12

Cellular

Question 13

Which cementum is more calcified?

Answer 13

Acellular

Question 14

The cellular cementum is _-___ um thick and covers the ____ region of the tooth?

Answer 14

150-200

apical

Question 15

O.M.G. stands for?

Answer 15

Overlap
Meet
Gap

Question 16

Cementum overlaps _____ % of the time
Cementum meets _______% of the time
Cementum gaps ______% of the time

Answer 16

60
30
10

Question 17

What can WE do to help minimize discomfort due to a gap between cementum and enamel at CEJ?

Answer 17

use anesthetic

apply desensitizing agent (fluoride, gumma)

Question 18

Define Root Planning?

Answer 18

intentional removal of cementum

Question 19

Define Root Debridment?

Answer 19

Trying to avoid removing cementum

Question 20

No cementum = __________ which = ______?

Answer 20

no fibers bundles

mobility of tooth

Question 21

Cementum is harder than enamel, bone, and dentin? T/F

Answer 21

False

Question 22

What is the term for when cementum attaches to the alveolar bone?

Answer 22

Akylosis

Question 23

A prominent thickening of the cementum is termed?

Answer 23

Hypercementosis

Question 24

A cemental union of 2 teeth is termed?

Answer 24

Concrescense

Question 25

Concrescence usually occurs in what region of the mouth?

Answer 25

MX molar

Question 26

Ankylosis can occur after ____ infection or _____?

Answer 26

chronic periapical

occlusal trauma