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Oral Biology 1 > Cementum > Flashcards

Cementum Flashcards

1
Q

What are properties of cementum

A

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

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2
Q

How is cementum similar in structure to bone

A

Same collagen matrix and lamellar arrangement

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3
Q

What are the different types of cementum

A

Cellular and Acellular

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4
Q

What cells does cellular cementum contain

A

Cementocytes

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5
Q

When is cellular cementum formed

A

After acellular cementum (secondary cementum)

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6
Q

Where is cellular cementum present

A

In the apical part of the root and in furcation regions

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7
Q

What cells do acellular cementum contain

A

No cells

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8
Q

When is acellular cementum formed

A

First formed (primary cementum)

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9
Q

Where is acellular cementum present

A

Usually adjacent to dentine

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10
Q

What is the alternative classification of cellular cementum

A

Cellular intrinsic fibre cementum

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11
Q

Does cellular intrinsic fibre cementum contain Sharpey’s fibres

A

No

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12
Q

What role does cellular intrinsic fibre cementum play in tooth attachment

A

None

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13
Q

What is the alternative classification for acellular cementum

A

Acellular extrinsic fibre cementum

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14
Q

Does acellular extrinsic fibre cementum contain Sharpey’s fibres

A

Yes - collagen fibres from PDL

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15
Q

Where is acellular extrinsic fibre cementum found

A

Present on cervical 2/3 of roots

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16
Q

What are Sharpey’s fibres

A

Collagen fibres from periodontal ligament

Oral Biology 1 (11 decks)

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