EX2; Dentin and Pulp Practical Images Flashcards by Tala Ebrahimian

Q

What is happening at the yellow arrows

A

dentinogenesis; toward pulp center

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Q

What does the red represent

A

Wnt10A signaling

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Q

A

A; Wnt10A signaling
B; DSPP signaling

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Q

What are the parts of the Matrix Vesicle

A

A; membrane
B; HAP crystallites

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Q

What is the differene between the microradiograph on the left and right

A

the right is missing DSPP; hypomineralized

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Q

What is this condition

A

dentinogenesis imperfecta

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Q

A

dentinal tubules

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Q

A

dentinal tubules

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Q

What is this image showing about the shape of the dentinal tubules

A

S shaped in the crown
straighter at the root

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Q

Where would you find these dentinal tubules

A

root

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Q

Where would you find these dentinal tubules

A

crown

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Q

What are these images of

A

microorganisms in tubules

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Q

A

A; pulp
B; odontoblasts
C; predentin
D; unmineralized dentin

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Q

What type of dentin are these

A

A; mantle
B; circumpulpal
C; secondary

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Q

What type of dentin is this

A

tertiary dentin under caries

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Q

A

tertiary dentin

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Q

A

tertiary dentin

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Q

A

A; tubule
B; intRAtubular dentin
C; intERtubular dentin

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Q

A

extensive translucent/sclerotic dentin

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Q

A

translucent or sclerotic dentin

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Q

A

dead tracts

Q

A

solid line; dead tracts
dashed line; interglobular dentin

Q

A

calcospherites

Q

A

interglobular dentin

Tome's granular layer

What are these

growth lines, reflecting the incremental pattern of deposition

What are these growth lines exaggerated by

tetracycline stain

A; apical foramen B; accessory/lateral foramina C; root canal/radicular pulp D; cementum E; pulp chamber/coronal pulp F; dentin G; pulp horns F; enamel

accessory canals

Which is the young and which is the older tooth

``` left = young right = old ```

Which is old and which is young pulp

``` left = young (9) right = old (28) ```

What is this an image of

pulp stones

What is this an image of

pulp stones

What is this an image of

diffuse calcifications

What is this an image of

diffuse calcifications

What are these

pulp stones

A; odontogenic zone B; central core

A; cell-rich zone B; cell-free zone C; odontoblast layer D; predentin E; dentin

pulp core A; fibroblasts B; capillary C; nerves

pulp core A; blood vessels

These cells are found in the pulp

dendritic cells

odontoblasts

A; odontoblast process

What part of the odontoblast is this

cell body/soma

What part of the odontoblast is this

processes

What part of the odontoblast is this

processes

What is this an image of

the lymphatic vessels in pulp

What is this image depicting

How far into dentin the odontoblastic process and the nerve travel

Rashkow's plexus

What is this image depicting

The close relation between the nerves and the odontoblast process A; nerves B; odontoblast process

What is this image depicting

The clost relation between the odontoblast proces and nerve fiber A; nerve fiber B; odontoblast process

What is this

neuropeptides