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Flashcards in Unit 3 part 1 Deck (43)
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1

What are the 3 stages of Odontogenesis?

Bud
Cap
Bell

2

What is present in the bud stage?

Inner enamel
Outer enamel

3

What is present in the cap stage?

IE
OE
Stellate Reticulum
Dental Papilla
Dental Sac

4

What is present in the bell stage?

IE
OE
Stellate Reticulum
Dental Papilla
Dental Sac
Stratum Intermedium

5

What invaginate s to become a tooth bud?

Dental lamina

6

What provides nourishment to the IE and OE?

Stellate reticulum

7

The stratum Intermedium lies between what 2 structures?

Stellate reticulum
IE

8

The dental papilla makes what part/s of the tooth?

Dentin
Pulp

9

Baby teeth give rise to adult teeth through a -------- -------?

Successional lamina

10

What teeth are Non-Succedaneous?

Adult molars

11

What part of the tooth development turns into ameloblasts?

Inner Enamel Epithelium

12

What part of the tooth development becomes odontoblasts?

Dental papilla closest to IEE

13

The cells that form odontoblasts start out as ---------- cells?

Mesenchymal

14

Ameloblasts and odontoblasts lay down a --------- layer that -------- --------- stick to?

Muco- polysaccharide
Hydroxyapatite crystals

15

Enamel is -----% inorganic?

96

16

Dentin is around ------% inorganic?

70

17

-------dentin is before tooth eruption occurs?

Primary

18

Secondary dentin is made ------- the tooth erupts?

After

19

What is the term for pieces of retained embryonic tissue that get turned on at a later time?

Rests of mallisae

20

An Ameloblastoma arises from?

IEE or ameloblasts

21

Ameloblastomas develop due to a ------ or by ------- causes?

Trauma
Iatrogenic

22

80% of Ameloblastoma occur in the ------?

Mandible

23

Ameloblastomas cause ------- of mandible with a thinning of the ------ -----?

Expansion
Cortical plate

24

Ameloblastomas are ------- destructive and the patient may loose------?

Locally
Teeth after excision

25

What is the term for multiple small teeth?

Compound odontoma
(Dentricles)

26

The dentricles in a compound odontoma are surrounded by?

Fibrous sac

27

A complex odontoma is -------- and seen as a ----------?

Rare
Big mass of dental tissue

28

If you saw a cyst/abscess on an x-ray and removed it an biopsied it and it came back as tooth forming mesenchymal tissue it would be called a?

Odontogenic fibroma

29

An odontogenic cementoma comes from?

Active cemental or mesenchymal tissue

30

An odontogenic cementoma appears in what area?

Apice of root