EX2; Periodontium Practical Images Flashcards by Tala Ebrahimian

Q

A

yellow = cementum
pink = PDL
green = bony socket
blue = junctional epithelium/sulcular epithelium

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Q

A

HERS

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Q

What do the red and blue arrows represent

A

PDL development

red = during eruption
blue = after eruption

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Q

What do the pink and green represent

A

pink = cellular cementum
green = acellular cementum

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Q

A

fiber fringe
cementoblast
predentin
mineralized dentin
non-mineralized dentin
advancing root edge
HERS

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Q

A

mineralized cementum
mineralized dentin
fiber fringe
epithelial rests of Mallasez
cementoblasts
mineralized dentin

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Q

What are these strucutres from left to right

A

cementoblast
collagen fibers/fiber fringe at the ends
predentin

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Q

What is the green arrow

A

cementoblast

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Q

What is taking place in this image

A

mineralization of the fiber fringe (at descrete foci denoted by the arrows)

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Q

What is taking place in this image

A

total mineralization of the fiber fringe = cementum

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Q

What is taking place at the red line

A

mineralization front

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Q

Which one of these arrows is pointing to the primary cementum and secondary cementum

A

second arrow = primary
last arrow = secondary

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Q

What is the main purpose of this cementum

A

attachment

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Q

What is this image depicting

A

that cementum width varies

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Q

What do the blue and purple arrows represent

A

blue = cellular intrinsic fiber cementum

purple = mixed fiber cementum

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Q

What are these tissues

A

outside = acellular cementum
inside = dentin

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Q

What are these tissues (from left to right)

A

left most = acellular cementum
Tome’s granular layer
right = dentin

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Q

What are these tissues

A

cellular cementum
dentin

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Q

A

cementocytes

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Q

What is this

A

cementoblasts
cementoid

Q

What are these

A

lines = growth lines
black ? = PDL
orange ? = bone

Q

What is this condition

A

hypercementosis

Q

What is this patient presenting with

A

hypercementosis

Q

What do the black circle and arrow represent

A

the extent of the periodontal ligament

What is the arrow pointing to

cementoblasts

What are the arrows point to from top to bottom

osteoblasts osteoclasts cementoblasts

blue arrow = osteoclasts red arrow = osteoblasts

epithelial rests of Mallesez

epitheial rest of Mallesez

What is this image showing

epithelial rests cut at a different angle to show connections rather than clusters

Sharpey's fibers

cementicle

What are the different fiber groups from the top and going clockwise

transseptal alveolar crest horizontal oblique apical interradicular

What are the different gingival ligaments starting at the top

circular dentogingival dentoperiosteal alveologingival

alveolar crest

``` red = horizontal fibers blue = alveolar crest ```

oblique fibers

interradicular

What is this an image of

The profuse vasculature of the PDL

Where are these vessels penetrating

foramen in the alveolar socket

white i = cellular cementum arrows = PDL black i = alveolar bone

yellow stars = vascular bundles black arrows = nerve fiber bundles

alveolar process

What are the differnt types of bone

``` C = cortical T = trabecular ```

What are the differnt types of bone

yellow arrow = bundle bone C = cortical T = trabecular

yellow arrows = bundle bone orange i = trabecular bone blue i = cortical bone

What is the radioopaque like surrounding the bone

lamina dura

What are these images depicting

the cribiform plate-likeness of the alveolar process

What does the black i represent

Sharpey's fibers