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BDS2 BAMS oral biology > pulp morphology 1 > Flashcards

pulp morphology 1 Flashcards

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1
Q

what is endodontium?

A

pulp

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2
Q

what is the connective tissue core of the tooth?

A

what is the pulp?

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3
Q

what is the main function of pulp?

A

produce dentine

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4
Q

what cells are in the pulp?

A

odontoblasts, fibroblasts and defence cells

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5
Q

what extracellular components are in pulp?

A

fibres: collagen, oxytalan
matrix: proteoglycans, chondroitin, SO4, dermatan SO4

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6
Q

what types of nerves are in pulp?

A

sensory; autonomic (sympathetic)

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7
Q

what are the components of pulp?

A

cells, extracellular components, nerves, b.v, lymphatics

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8
Q

what is predentine?

A

unmineralised dentine

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9
Q

what are the functions of pulp?

A 
nutritive
dentine growth
dentine repair
defence
neural
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10
Q

what is the developmental link between dentine and pulp?

A

they develop from the papilla

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11
Q

what cells migrate from neural crest to form papilla?

A

ectomesenchyme

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12
Q

what pulpal elements extend into dentine?

A

odontoblast processes
nerve terminals
immune cells(dendritic)
dentinal fluid

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13
Q

where does the fluid from pulp capillaries leak?

A

interstitial space

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14
Q

where else does the fluid go?

A

lymphatic drainage

dentinal tubules

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15
Q

how does tooth wear to the enamel and dentine occur?

A 
mastication-abrasion
bruxism-attrition
abfraction-occlusal overload
diet-erosion
caries
operative procedures
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16
Q

what are the functional links between dentine and pulp?

A

formation of secondary dentine
formation of tertiary dentine
regulation of exchange of material between dentine and pulp

17
Q

why does tertiary dentine form?

A

tooth wear

18
Q

what are the types of tertiary dentine?

A

reactionary

reparative

19
Q

what does reactionary dentine form due to?

A

mild stimulus

20
Q

when is primary dentine formed?

A

during tooth development- so quickly

21
Q

when is secondary and tertiary dentine formed?

A

when tooth development is complete, so pace is slower than primary

22
Q

what does reparative dentine form in response to?

A

intense stimulus that destroys primary odontoblasts

23
Q

what is reactionary dentine formed by?

A

primary odontoblasts

24
Q

what is reparative dentine formed by?

A

secondary odontoblasts

25
Q

how does aggression to the pulp happen?

A

tooth wear

BDS2 BAMS oral biology (12 decks)

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