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Oral Biology 1 > Cementum > Flashcards

Flashcards in Cementum Deck (16)
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1
Q

What are properties of cementum

A

Covers root dentine
Similar in structure to bone
Provides attachment for some periodontal fibres

2
Q

How is cementum similar in structure to bone

A

Same collagen matrix and lamellar arrangement

3
Q

What are the different types of cementum

A

Cellular and Acellular

4
Q

What cells does cellular cementum contain

A

Cementocytes

5
Q

When is cellular cementum formed

A

After acellular cementum (secondary cementum)

6
Q

Where is cellular cementum present

A

In the apical part of the root and in furcation regions

7
Q

What cells do acellular cementum contain

A

No cells

8
Q

When is acellular cementum formed

A

First formed (primary cementum)

9
Q

Where is acellular cementum present

A

Usually adjacent to dentine

10
Q

What is the alternative classification of cellular cementum

A

Cellular intrinsic fibre cementum

11
Q

Does cellular intrinsic fibre cementum contain Sharpey’s fibres

A

No

12
Q

What role does cellular intrinsic fibre cementum play in tooth attachment

A

None

13
Q

What is the alternative classification for acellular cementum

A

Acellular extrinsic fibre cementum

14
Q

Does acellular extrinsic fibre cementum contain Sharpey’s fibres

A

Yes - collagen fibres from PDL

15
Q

Where is acellular extrinsic fibre cementum found

A

Present on cervical 2/3 of roots

16
Q

What are Sharpey’s fibres

A

Collagen fibres from periodontal ligament