Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BAMS Oral Biology > Dentine And Pulp > Flashcards

Dentine And Pulp Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

how hard is dentine?

A

harder than bone and cementum
sorter than enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what forms the bulk of the tooth?

A

dentine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

out of enamel and dentine which one has greater compression/tensile strength?

A

dentine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

is dentine permeable?

A

yes it contains tubules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

where is dentine found?

A

underlying enamel
increased in areas with more enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is in the composition of dentine? (%weight) (%volume)

A

Hydroxyapatite 70% 50%
water 10% 20%
organic matrix 20% 30%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is pre-dentine?

A

non-mineralised dentine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what are odontoblasts?

A

cells that produce dentine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

name 4 things contained in dentinal tubules.

A

odontoblast processes
unmyelinated nerve terminals (sensory)
dendritic cells (immune system)
dentinal fluid or extracellular fluid from pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is dental pulp?

A

connective tissue ‘core’ of tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what cells are present in dental pulp? (3)

A

odontoblasts
fibroblasts
defence cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

name the extracellular components of dental pulp.

A

fibres: collagen and oxytalan
matrix: proglcans, chondroitin SO4, dermatan SO4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what does the SNS control in dental pulp?

A

blood flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what type of nerves are in dental pulp?

A

sensory
autonomic (sympathetic)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

explain the inflammatory response in dental pulp?

A

swelling increases pressure which damages circulatory space and pulp regenerates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

how is dentine formed?

A

initially primary - type of dentine formed while tooth is forming

secondary - after tooth is completely formed and starts to grow

tertiary - formation of repair and protection

17
Q

how is predentine formed?

A

by odontoblasts

17
Q

how is predentine formed?

A

by odontoblasts

18
Q

name 5 functions of dental pulp.

A

nutritive
dentine growth
dentine repair
defence (immune cells, lymphatics)
neural (sensory pain, control of dentinogenesis)

19
Q

what penetrates dentine and what doesn’t?

A

neurons and axons do
blood vessels do not

BAMS Oral Biology (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions