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OCB02 > OCB02-1018 Dental pulp > Flashcards

OCB02-1018 Dental pulp Flashcards

1
Q

Why is the pulp referred to as the dental-pulp complex?

A

Because the odonotoblast processes extend at least one third into the dentinal tubules

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2
Q

What does the dental pulp contain?

A 
Cells
Fibres 
Ground Substance
Blood Vessels
Nerves
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3
Q

What are the cells of the dental pulp?

A

Odontoblast
Stem cells
fibroblasts
defence cells

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4
Q

How do odontoblasts in the crown differ to those of the root?

A

odontoblasts in the crown are tall and columnar, whereas odontoblast in the root are cuboidal

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5
Q

What are the functions of the dental pulp?

A

Formation of dentine
Eruption of the tooth/ root formation
Dentine repair
Defence against infection

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6
Q

What is coronal pulp?

A

Portion of the dental pulp in the pulp chamber which is found in the crown part of the tooth

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7
Q

Where does coronal pulp join with radicular pulp?

A

Cervix of the tooth

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8
Q

Where does radicular pulp extend from?

A

The cervix down to the apex of the tooth

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9
Q

Why does the dental pulp decrease in size?

A

Due to the continued formation of dentin

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10
Q

What is the apical foreman?

A

The opening at the apex of the root of the tooth which nerves and blood vessels pass through

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11
Q

What are the fibres of the dental pulp?

A

Type I and III collagen

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12
Q

What is the ground substance of dental pulp formed by?

A

fibroblasts

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13
Q

What are the vessels of the dental pulp?

A 
Arterioles
Capillaries
Venules
Arteriovenous shunts
Lymph Vessels
Capillaries
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14
Q

Where are capillaries more abundant?

A

Odontoblastic layer where they are more needed to support with nutrients for dentinogenesis

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15
Q

What nerves innervate the dental pulp?

A

Myelinated sensory
Unmyelinated sensory
Sympathetic

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16
Q

What is pulpits?

A

Pulpits is the inflammation of the pulp

17
Q

What are the causes of pulpits?

A 
Dental caries/ trauma/ fractures
Cavity preparation
Dental materials
Exposure of dentine
Bacterial leakage between tooth and restoration
18
Q

How is pulpits treated?

A

Vital pulp therapy or root canal treatment

19
Q

How does dental pulp change with age?

A

Pulp decreases in size

Its more fibrous

20
Q

What is partial mineralisation of pulp due to?

A

The formation of pulp stones or sclerosed canal

21
Q

What is complete mineralisation of the pulp known as?

A

Atresia pulp

22
Q

What is complete mineralisation a consequence of?

A

Traumatic injury that is sufficient enough to kill the pulp

OCB02 (18 decks)

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