Tooth Development

Front 1

Root development

Back 1

Prefunctional phase

Front 2

Tooth eruption and maintenance of occlusion

Back 2

Functional phase

Front 3

Stages of crown development

Back 3

Initiation/ Dental lamina stage (induction)

Bud stage (proliferation)

Cap stage (proliferation)

Bell stage (differentiation)

Apposition( induction)

Maturation(maturation)

Front 4

Initiation until completion of the crown formation

Back 4

Pre-eruptive phase

Front 5

Appears as a thickening of the oral epithelium adjacent to condensation of ectomesenchyme

Back 5

Dental lamina

Front 6

Dental lamina begins to function at _________ and continues to __________ year of birth

Back 6

6th prenatal week

15th year of birth

Front 7

Lamina from which permanent teeth develops

Back 7

Successional lamina

Front 8

At the leading edge of the lamina _________________ of enlargement appear, which form _________ for the 20 primary teeth

Back 8

20 areas

Tooth buds

Front 9

Tooth bud forms a cup shape with deep cervical depression

Back 9

Enamel organ/ dental organ

Front 10

Condensed mass of mesenchyme within the concavity of the enamel organ

Back 10

Dental papilla

Front 11

Condensed mass of mesenchyme surrounding the enamel organ

Back 11

Dental sac

Front 12

Enamel organ future dental tissue produced

Back 12

Enamel

Front 13

Dental papilla future dental tissue produced

Back 13

Dentin pulp

Front 14

Dental sac future dental tissue produced

Back 14

Cementum, periodontal ligament and alveolar bone

Front 15

Increasing amount of collagen fibers forming around the enamel organ

Back 15

Dental sac

Front 16

Outer cuboidal cells of the enamel organ

Back 16

OEE

ODE

Front 17

More outer star shaped cells in many layers forming a network within the enamel organ

Back 17

Stellate reticulum

Front 18

More inner component layer of that to cuboidal cells

Back 18

Stratum intermedium

Front 19

Innermost tall columnar cells of the enamel organ

Back 19

IEE

IDE

Front 20

Outer layer of cells of the dental papilla nearest the inner enamel epithelium of the enamel organ. A basement membrane known as the membrane preformative exist between these layers

Back 20

Outer cells of the dental papilla

Front 21

Inner cell mass of the dental papilla

Back 21

Inner cells of the dental papilla

Front 22

Will differentiate into cementum, periodontal ligament and alveolar bone

Back 22

Dental sac

Front 23

Serves as protective barrier for the enamel organ

Back 23

OEE

ODE

Front 24

Supports the production of the enamel matrix

Back 24

Stellate reticulum and

Stratum intermedium

Front 25

Will differentiate into ameloblasts that will form the enamel matrix

Back 25

IEE

IDE

Front 26

Will differentiate into odontoblast that will form the dentin matrix

Back 26

Outer cells of the dental papilla

Front 27

Will differentiate into the pulp

Back 27

Inner cells of the dental papilla

Front 28

After _______ , _________ secretes an acellular dental cuticle known as the ______________ or the _________ to cover the newly formed enamel.

Back 28

Enamel apposition

Ameloblast

Primary enamel cuticle

Nasmyth's membrane

Front 29

The enamel organ cells undergo compression to become the

____________.

Back 29

Reduced enamel epithelium (REE)/

Reduced dental epithelium (RDE)

Front 30

___________ takes place after the crown is completely shaped and the tooth is starting to erupt into the oral cavity

Back 30

Root development

Front 31

Structure responsible for root development

Back 31

Cervical loop

Front 32

Bilayer rim that consist of only OEE & IEE

Back 32

cervical loop

Front 33

Cervical loop encloses more of the dental papilla and forms

Back 33

HERS

Front 34

Lacks the intermedium layers of the stellate reticulum and stratum intermedium so that it fails to differentiate in ameloblast

Back 34

HERS

Front 35

Functiin to shape the roots and induce destinogenesis in the root area so that it is continuous with coronal dentin

Back 35

HERS

Front 36

Back 36

Tooth eruption

Front 37

Main direction of the eruptive force is ______ however movements also occur in other planes acxounting to _____and ______.

Back 37

Axial

Tilting and drifting

Front 38

______ are greatest at the time of crown emergence

Back 38

Eruption rates

Front 39

The rate of eruption represents a balance between ______ and _____.

Back 39

Eruptive force

Resistive force

Front 40

Being offered by the overlying soft tissue and alveolar bone, viscosity of the surrounding periodontal ligaments (dental follicle) and occlusal forces

Back 40

Resistive force

Front 41

Property of the periodontal ligament or the dental follicle (sac)

Back 41

Eruptive mechanism

Front 42

Doea not require a tractional force pulling the tooth towards the mouth

Back 42

Eruptive mechanism

Front 43

Back 43

Eruptive mechanism

Front 44

Back 44

Pre-eruptive tooth movement

Front 45

Back 45

Eruptive tooth movement

Front 46

Back 46

Post eruptive movement

Front 47

Process of tooth eruption

Back 47

Front 48

Once the primary enamel cuticle removed in during tooth function

Back 48

Secondary enamel cuticle

Front 49

Steps of tooth eruption

Back 49

Front 50

When deciduous teeth start to resorb

Back 50

Front 51

Factors relevant to eruption in relation to occlusion

Back 51

Normal period of eruption

Normal sequence of eruption

Front 52

Actual time the teeth emerge into the oral cavity

Back 52

Normal period of eruption

Front 53

Usual order the teeth emerge into the oral cavity

Back 53

Normal sequence of eruption

Front 54

Eruption cyst A.K.A

Back 54

Eruptiin hematoma

Front 55

Devolops as a result of separation of the dental follicle from the crown of an erupting tooth that is within the soft tissues that overlines the alveolar bone

Back 55

Eruption hematoma

Front 56

Due to collagen deposition of the gingival connwctive tissue that results to a thicker, less penetrable pericoronal roof

Back 56

Eruption cyst

Front 57

Nolla's stage of tooth development

Back 57