EX2; Eruption and Shedding Practical Images Flashcards Preview

May14 Oral Histology > EX2; Eruption and Shedding Practical Images > Flashcards

Flashcards in EX2; Eruption and Shedding Practical Images Deck (26):
1

What stage of eruption is this

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pre-emergence

2

What stage of eruption is this

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Pre-functional

3

What stage of eruption is this

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functional 

4

What is the primary direction of movement during this stage

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facially

5

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reduced enamel epithelium

6

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Hertwig's epithelial root sheath

7

What is happening here

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demineralization of a forming crown

8

What is this image depicting

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reduced enamel epithelium (attached by basal lamina)

9

What is this structure and what are its two main functions

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Hertwig's root sheath

determines root dentin outline and number of root canals

10

What do the arrows depict

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Hertwig's root sheath determining the numer of root canals (1)

11

What stage is this

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pre-functional

12

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A; reduced enamel epithelium
B; HERS
C; diaphragm

13

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A; immature enamel
B; reduced enamel epithelium
C; HERS
D; periodontal ligament
E; mineralized dentin
F; predentin
G; odontoblasts

14

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A; reduced enamel epithelium
B; immature enamel
C; HERS
D; root dentin
E; forming PDL
G; cementum 
(sorry no F, my alphabet skills are a little off)

15

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A; cementoblasts
B; HERS breaking up
C; HERS intact
D; odontobalsts
E; diaphragm
F; predentin
G; mineralized dentin
H; dental follicle

16

What is the arrow pointing to

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Epithelial rest of Malassez

17

What is happening here

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emergence int othe oral cavity and REE becomes junctinal epithelium

18

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A; dentin
B; enamel
C; gingiva
D; lamina propria
E; junctional epithelium
F; cementum

19

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A; junctional epithelium
B; lamina propria
C; primary cementum

20

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A; cementum
B; dentin
C; enamel
D; junctional epithelium
E; connective tissue (lamina propria)
F; basal lamina

21

What are the following junctional epithelium attachment positions

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A; attached to enamel
B; attached to enamel and cementum
C; attached to cementum

22

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A; root
B; odontoclast
C; interradicular bone
D; osteoclast
E; root sheath diaphragm

23

What is taking place at the black arrow

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bone resorption in order to shed the tooth

24

 

 

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reduced enamel epithelium

25

What is located at the red arrow and what is taking place at the black arrow

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red arrow; reduced enamel epithelium
black arrow: bone resorption

26

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A; cementum
B; dentin
C; odontoclast (cementoclast)
D; odontoclast (dentinoclast)
E; PDL