Development and Growth of Teeth Flashcards Preview

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Flashcards in Development and Growth of Teeth Deck (27):
1

Tooth bud components develop during the ______ week after the _________ around 28 days

5-6th week
Buccopharyngeal membrane ruptures

2

Dental Papilla produces

Pulp and Dentin

3

Dental Follicle produces

Cementum, PDL, Bundle Bone (Alveolar Bone Proper)

4

Enamel Organ produces

Enamel (forms downward growth of Ectoderm)

5

______ is a continuous arch shape plate of thickened Odontogenic epithelium that begins from a proliferation of ______

Dental Lamina
Basal Ectoderm cells

6

Formation of Dental Lamina occurs during the _____ week from fusion of ______ with _______

6th week
Medial processes, Two Maxilla processes

7

Dental Lamina will disintegrate during the ____ stage

Bell

8

The Tooth Bud stage occurs during _____ weeks

5th-6th

9

______ formation is proliferation and growth of oral ectoderm into ectomesenchyme forming _____ between cheek and teeth bearing areas

Vestibular Lamina
Vestibule

10

Tooth Bud stage is represented by first ________ of jaw, the condensation of ______

Epithelial incursion into ectomesenchyme
Ectomesenchyme

11

_____ occurs during 8-9 weeks

Cap Stage

12

As tooth grows it brings along part of _____

Dental Lamina

13

Epithelial outgrowth on ball of ectomesenchyme is called _____

Enamel Organ

14

Enamel Organ consists of ____, _____, and ______

Inner Enamel Epithelium
Outer Enamel Epithelium
Stellate Reticulum

15

OEE is ___ while IEE is _____

Cuboidal
Columnar

16

Enamel Knot is projection of ______

IEE

17

Enamel Cord is a projection of _____

OEE

18

Dental Papilla is found under the IEE and is formative organ of _____

Odontoblasts

19

Bell Stage occurs around the _____ week and is divided into ______ early stage and _______ late stage

14th
Histodifferentiation, Morphodifferentiation

20

During Bell Stage the IEE will differentiate into _______ inducing formation of odontoblasts from _______

Columnar Ameloblats
Ectomesenchyme Dental Papilla

21

Stratum Intermedium is derived from ______ and is necessary for _____ formation since it contains ______

IEE
Enamel
Alkaline Phosphate

22

Reciprocal Induction occurs as _____ must be secreted before _____ can be formed

Dentin
Enamel

23

IEE and OEE will form _____

Hertwig's Epithelial Root Sheath

24

Root formation begins after _______ have ______

Enamel and Dentin
Reached site of CEJ

25

Double layer of epithelium of HERS proliferates forming a _____

Diaphragm

26

Epithelium adjacent to diaphragm proliferates and elongates, the growth is the _______

Root Sheath

27

Ectomesenchyme of Dental Follicle contact Dentin and differentiate into ________ that form _____ on ____ surface

Cementoblasts
Cementum
Dentin