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

pre-emergence

2

What stage of eruption is this

Pre-functional

3

What stage of eruption is this

functional 

4

What is the primary direction of movement during this stage

facially

5

reduced enamel epithelium

6

Hertwig's epithelial root sheath

7

What is happening here

demineralization of a forming crown

8

What is this image depicting

reduced enamel epithelium (attached by basal lamina)

9

What is this structure and what are its two main functions

Hertwig's root sheath

determines root dentin outline and number of root canals

10

What do the arrows depict

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

11

What stage is this

pre-functional

12

A; reduced enamel epithelium
B; HERS
C; diaphragm

13

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

14

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

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

Epithelial rest of Malassez

17

What is happening here

emergence int othe oral cavity and REE becomes junctinal epithelium

18

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

19

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

20

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

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

22

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

23

What is taking place at the black arrow

bone resorption in order to shed the tooth

24

 

 

reduced enamel epithelium

25

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

red arrow; reduced enamel epithelium
black arrow: bone resorption

26

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