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Enamel
100問 • 1年前
  • Tameyra Stefani Al-Suhairy
    • 通報

    問題一覧

  • 1

    Cariology

  • 2

    Dental caries

  • 3

    Dental caries

  • 4

    cariogenic bacteria causes caries

    streptococcus mutans

  • 5

    3 composition of teeth

    Enamel, Pulp dentin complex, Cementum

  • 6

    Dental caries affect only 3

    Enamel, Dentin, Cementum

  • 7

    no dental caries in

    pulp

  • 8

    Inflammation of pulp

    Pulpitis

  • 9

    Pulpitis not treated

    Necrosis

  • 10

    Cariology

  • 11

    restorative dentistry

  • 12

    Anatomical crown Hardest Very brittle

    Enamel

  • 13

    Provides outermost hard covering of crown allowing efficient mastication resist wear

    Enamel

  • 14

    Enamel thickest on

    Incisal edge / cusp tip

  • 15

    Enamel formed by the cells

    Ameloblast

  • 16

    Originate from embryonic germ layer

    Ectoderm

  • 17

    Epithelial product derived from

    Epithelium

  • 18

    Connective tissue

    Ectomesenchyme

  • 19

    Differentiate into ametoblast

    IDE

  • 20

    Must occur first

    Dentinogenesis

  • 21

    Formative cells of enamel

    Ameloblast

  • 22

    Ameloblast derived from

    dental lamina

  • 23

    Dental lamina is from

    Oral epithelium

  • 24

    Enamel is product of

    Epithelium

  • 25

    dentin cementum pdl alveolar bone derived from

    connective tissue ectomesenchyme

  • 26

    Enamel

  • 27

    Molecule allowed by enamel

    salts

  • 28

    true

  • 29

    Absorption of ____ related to enamel's permeability

    fluoride

  • 30

    Enamel not completely mineralized

    Immature enamel

  • 31

    2-3 3 years for enamel to mineralized

    Enamel maturation

  • 32

    Thickness of enamel

    2 to 2.55 mm

  • 33

    Thinnest enamel

    cervical region

  • 34

    Inorganic hydroxyapatite crystals

    96%

  • 35

    Organic amelogenin enamel

    1%

  • 36

    Water of enamel

    1%

  • 37

    Enamel rods or prisms

  • 38

    Enamel rod diameter of head

    4m

  • 39

    Enamel rod covered by a sheath of protein

    rod sheath

  • 40

    in between enamel rods

    Interprismatic/interrod substance

  • 41

    Enamel prism

  • 42

    Fish scale appearance

    Enamel rods

  • 43

    Paddle shape

    Enamel rod

  • 44

    Key hole appearance

    Enamel rods

  • 45

    Perpendicular at 90 degrees to the DEJ

    Enamel rod

  • 46

    Vertical oriented under cusp tip

    Enamel rod

  • 47

    Cervical region enamel rods apically oriented

    Permanent teeth

  • 48

    Cervical region enamel rods occlusally or horizontally oriented

    deciduous or primary teeth

  • 49

    Gnarled enamel

  • 50

    Gnarled enamel

  • 51

    HSB

  • 52

    Dark bands of HSB

    Diazone

  • 53

    Light bands of HSB

    parazone

  • 54

    DEJ

  • 55

    Towards dentin

    DEJ convexity

  • 56

    Towards enamel

    DEJ concavity

  • 57

    Enamel lamellae

  • 58

    Enamel tuft

  • 59

    Implicated in the initiation of dental caries favor the start of dental caries

    Enamel lamellae

  • 60

    Entry points for bacteria and cariogenic foods

    Enamel lamellae

  • 61

    Grass like Narrow ribbon like hypomineralized fault

    Enamel tuft

  • 62

    Leaf like and long

    Enamel lamellae

  • 63

    It will not reach the surface

    Enamel lamellae

  • 64

    favor lateral spread of dental caries to DEJ

    Enamel tuft

  • 65

    Shock absorber I force

    Enamel tuft

  • 66

    Club like

    Enamel spindles

  • 67

    Not a fault / hypocalcified structure Part of a cell - odontoblast

    Enamel spindle

  • 68

    Odontoblastic process location

    dentin inside dentinal tubule

  • 69

    Odontoblast body location

    Dental pulp

  • 70

    Some odontoblastic process reach

    enamel

  • 71

    protoplasmic extension of odontoblastic process that has gone beyond DEJ and reached enamel

    Enamel spindles

  • 72

    Enamel spindle

    Pain receptor

  • 73

    Formation of enamel happens in the

    Cusp tip

  • 74

    molar, first enamel will form in

    Cusp tip / incisal edge

  • 75

    4 lobes represented by

    Mamelons

  • 76

    Last lobe / 4th lobe are in

    Cingulum on the lingual

  • 77

    Coalasce of cusps form the

    grooves

  • 78

    Depressions

    Fossae

  • 79

    Grooves and fossae

  • 80

    Uncoalesced grooves or imperfect union are called

    Fissures

  • 81

    Meeting point of fissures

    Pit

  • 82

    U and V type

  • 83

    i and K type

  • 84

    Pits and fissure

  • 85

    incremental striae of retzius

  • 86

    Lines of retzius

  • 87

    Lines of retzius

  • 88

    External manifestation of lines of retzius

    Perykymata

  • 89

    Imbrication lines of pickerill

  • 90

    Elevation between the grooves

    Perykymata

  • 91

    Perykymata

  • 92

    during birth, exagerrated line of retzius

    neonatal line

  • 93

    Reduced enamel epithelium

  • 94

    Primary enamel cuticle or nasmyth membrane

  • 95

    Pellicle

  • 96

    enamel maturation

  • 97

    doesnt have enamel rods

    prismless enamel

  • 98

    Enamel etching

  • 99

    Hypoplasia

  • 100

    hypomineralized rods that resembles grass or ribbon, arising from the DEJ and extend to enamel

    Enameltufts

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    問題一覧

  • 1

    Cariology

  • 2

    Dental caries

  • 3

    Dental caries

  • 4

    cariogenic bacteria causes caries

    streptococcus mutans

  • 5

    3 composition of teeth

    Enamel, Pulp dentin complex, Cementum

  • 6

    Dental caries affect only 3

    Enamel, Dentin, Cementum

  • 7

    no dental caries in

    pulp

  • 8

    Inflammation of pulp

    Pulpitis

  • 9

    Pulpitis not treated

    Necrosis

  • 10

    Cariology

  • 11

    restorative dentistry

  • 12

    Anatomical crown Hardest Very brittle

    Enamel

  • 13

    Provides outermost hard covering of crown allowing efficient mastication resist wear

    Enamel

  • 14

    Enamel thickest on

    Incisal edge / cusp tip

  • 15

    Enamel formed by the cells

    Ameloblast

  • 16

    Originate from embryonic germ layer

    Ectoderm

  • 17

    Epithelial product derived from

    Epithelium

  • 18

    Connective tissue

    Ectomesenchyme

  • 19

    Differentiate into ametoblast

    IDE

  • 20

    Must occur first

    Dentinogenesis

  • 21

    Formative cells of enamel

    Ameloblast

  • 22

    Ameloblast derived from

    dental lamina

  • 23

    Dental lamina is from

    Oral epithelium

  • 24

    Enamel is product of

    Epithelium

  • 25

    dentin cementum pdl alveolar bone derived from

    connective tissue ectomesenchyme

  • 26

    Enamel

  • 27

    Molecule allowed by enamel

    salts

  • 28

    true

  • 29

    Absorption of ____ related to enamel's permeability

    fluoride

  • 30

    Enamel not completely mineralized

    Immature enamel

  • 31

    2-3 3 years for enamel to mineralized

    Enamel maturation

  • 32

    Thickness of enamel

    2 to 2.55 mm

  • 33

    Thinnest enamel

    cervical region

  • 34

    Inorganic hydroxyapatite crystals

    96%

  • 35

    Organic amelogenin enamel

    1%

  • 36

    Water of enamel

    1%

  • 37

    Enamel rods or prisms

  • 38

    Enamel rod diameter of head

    4m

  • 39

    Enamel rod covered by a sheath of protein

    rod sheath

  • 40

    in between enamel rods

    Interprismatic/interrod substance

  • 41

    Enamel prism

  • 42

    Fish scale appearance

    Enamel rods

  • 43

    Paddle shape

    Enamel rod

  • 44

    Key hole appearance

    Enamel rods

  • 45

    Perpendicular at 90 degrees to the DEJ

    Enamel rod

  • 46

    Vertical oriented under cusp tip

    Enamel rod

  • 47

    Cervical region enamel rods apically oriented

    Permanent teeth

  • 48

    Cervical region enamel rods occlusally or horizontally oriented

    deciduous or primary teeth

  • 49

    Gnarled enamel

  • 50

    Gnarled enamel

  • 51

    HSB

  • 52

    Dark bands of HSB

    Diazone

  • 53

    Light bands of HSB

    parazone

  • 54

    DEJ

  • 55

    Towards dentin

    DEJ convexity

  • 56

    Towards enamel

    DEJ concavity

  • 57

    Enamel lamellae

  • 58

    Enamel tuft

  • 59

    Implicated in the initiation of dental caries favor the start of dental caries

    Enamel lamellae

  • 60

    Entry points for bacteria and cariogenic foods

    Enamel lamellae

  • 61

    Grass like Narrow ribbon like hypomineralized fault

    Enamel tuft

  • 62

    Leaf like and long

    Enamel lamellae

  • 63

    It will not reach the surface

    Enamel lamellae

  • 64

    favor lateral spread of dental caries to DEJ

    Enamel tuft

  • 65

    Shock absorber I force

    Enamel tuft

  • 66

    Club like

    Enamel spindles

  • 67

    Not a fault / hypocalcified structure Part of a cell - odontoblast

    Enamel spindle

  • 68

    Odontoblastic process location

    dentin inside dentinal tubule

  • 69

    Odontoblast body location

    Dental pulp

  • 70

    Some odontoblastic process reach

    enamel

  • 71

    protoplasmic extension of odontoblastic process that has gone beyond DEJ and reached enamel

    Enamel spindles

  • 72

    Enamel spindle

    Pain receptor

  • 73

    Formation of enamel happens in the

    Cusp tip

  • 74

    molar, first enamel will form in

    Cusp tip / incisal edge

  • 75

    4 lobes represented by

    Mamelons

  • 76

    Last lobe / 4th lobe are in

    Cingulum on the lingual

  • 77

    Coalasce of cusps form the

    grooves

  • 78

    Depressions

    Fossae

  • 79

    Grooves and fossae

  • 80

    Uncoalesced grooves or imperfect union are called

    Fissures

  • 81

    Meeting point of fissures

    Pit

  • 82

    U and V type

  • 83

    i and K type

  • 84

    Pits and fissure

  • 85

    incremental striae of retzius

  • 86

    Lines of retzius

  • 87

    Lines of retzius

  • 88

    External manifestation of lines of retzius

    Perykymata

  • 89

    Imbrication lines of pickerill

  • 90

    Elevation between the grooves

    Perykymata

  • 91

    Perykymata

  • 92

    during birth, exagerrated line of retzius

    neonatal line

  • 93

    Reduced enamel epithelium

  • 94

    Primary enamel cuticle or nasmyth membrane

  • 95

    Pellicle

  • 96

    enamel maturation

  • 97

    doesnt have enamel rods

    prismless enamel

  • 98

    Enamel etching

  • 99

    Hypoplasia

  • 100

    hypomineralized rods that resembles grass or ribbon, arising from the DEJ and extend to enamel

    Enameltufts