Embryology + Histology Chapter 8-10 Test Flashcards

1
Q

Ectoderm forms enamel with what cells

A

ameloblasts - form enamel organ

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2
Q

Mesoderm forms what 3 things

A

dentin, pulp, and cementum

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3
Q

Odontoblasts form what

A

dentin

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4
Q

cementumblasts form

A

cementum

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5
Q

cementum starts in the

A

dental sac

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6
Q

Fibroblasts form what in the dental papilla

A

pulp

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7
Q

histodifferentiation is the

A

specialization of cells, and differentiation of cells for tissue

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8
Q

Morphodifferentiation is the

A

changing shape and size of teeth

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9
Q

Eruption

A

tooth coming into functional position in oral cavity

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10
Q

Exfoliation

A

loss of primary teeth

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11
Q

Primary teeth are

A

baby teeth

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12
Q

Succedaneous teeth are

A

permanent teeth following a primary tooth

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13
Q

Primate spaces are located where

A

between baby teeth

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14
Q

what happens in the bud stage(initiation)

A

thickening of dental lamina for bud formation

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15
Q

What happens in the cap stage (proliferation)

A

development of enamel organ, dental papilla and dental sac

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16
Q

Where is stellate reticulum loacted

A

in the enamel organ

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17
Q

what happens in Bell stage (histo and morpho)

A

cells specialize and tooth changes shape and size

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18
Q

The DEJ (dentoemanel) is where

A

where dentin and enamel meet

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19
Q

The CEJ (cementoenamel) is where

A

where cementum and enamel meet right below gingiva

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20
Q

apposition is when the tooth ___

A

moves into position to prepare for eruption

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21
Q

Calcification occurs in which stage

A

Apposition

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22
Q

Odontogensis is the

A

formation of new teeth

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23
Q

Lamina dura is the

A

thin bone lining the socket

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24
Q

OsteClasts

A

resorb bone (resorption)

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25
Q

OsteoBlasts

A

build bone (deposition)

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26
Q

The stomodeum is known as the

A

primitive mouth

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27
Q

Teratogens are the

A

adverse environmental influences

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28
Q

fordyce granules (spots)

A

misplaced sebaceous glands

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29
Q

the most crucial stage in development is

A

the embryonic stage

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30
Q

what occurs during weeks 4-8

A

processes move to midline

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31
Q

Which teeth are first to develop

A

mandibular anterior teeth (4 incisors)

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32
Q

The primary palate is developed in week

A

5

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33
Q

Fusion of the palates occurs in weeks

A

8-12

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34
Q

Disruption in palate fusion can cause what

A

Cleft lip and palate

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35
Q

what is the hardest structure in the body

A

enamel

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36
Q

Hydroxyapetite is the

A

crystals inside enamel prisms and rods where minerals are deposited

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37
Q

an anatomical crown is considered the

A

enamel covered portion of crown

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38
Q

a clinical crown includes

A

anything showing up to gingiva, can have exposed root

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39
Q

Dentinal tubules are ___ in dentin

A

canals that hold fluoride

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40
Q

how do you feel sensation

A

through dental tubules

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41
Q

Dental fibres transmit ___

A

pain stimuli

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42
Q

Primary dentin is the

A

bulk of the tooth, prior to eruption

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43
Q

Secondary dentin

A

continues to grow and occurs after eruption

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44
Q

Tertiatry dentin is formed in response to

A

irritation

45
Q

Furcation is

A

the area between to or more roots

46
Q

the alveolar process is also known as the

A

cortical plate

47
Q

Where is the alveolar crest

A

the highest point of the alveolar bone

48
Q

the alveolar socket is known as the

A

cavity in alveolar bone

49
Q

where is the interdental septum

A

between sockets in alveolar bone

50
Q

the interradicular septum is located

A

between multirooted teeth in alveolar bone

51
Q

the epithelial attachment is where

A

gingiva attaches to the tooth

52
Q

Periodontal ligament line the area between the

A

cementum and alveolar bone

53
Q

Sharpeys fibres are mineralized ___

A

attachment points in cementum and bone

54
Q

alveolar crest fibers oppose

A

lateral movement

55
Q

which finer prevents lateral movement

A

horizontal fibers

56
Q

Oblique fibres have the longest stretch and ____

A

resist all movement

57
Q

moving apically means to move

A

towards the root/apex

58
Q

the neck of the tooth is referred to as

A

cervical

59
Q

incised/occlusal is the

A

top of the tooth

60
Q

the surface against anterior teeth is referred to as the

A

labial surface

61
Q

the surface against posterior teeth is referred to as the

A

buccal surface

62
Q

Aplical fibres are where on the tooth & prevent what movement

A

the root/apex of tooth, prevent tipping and twisting

63
Q

the interradiccular fibres are where and do what

A

between roots of multirooted teeth, reenforce

64
Q

Transpetal fibres are AKA what

A

interdental fibers

65
Q

where are interdental fibres located

A

between the teeth

66
Q

transeptal fibres are responsible for

A

reenforcing position of the adjacent tooth

67
Q

what are the 4 gingival fibers

A

dentogingival, alveolargingival, circular, dentoperiosteal

68
Q

what do gingival fibres do

A

support marginal gigiva

69
Q

Lining mucosa that is soft, vascular and darker in color covers what

A

cheeks, vestibule, lips, soft palate, underside of tongue

70
Q

Masticatory mucosa is

A

keratinized, lighter color, tougher

71
Q

masticatory mucosa covers

A

attached gingiva, palate, surface under tongue

72
Q

what does healthy gingiva look like

A

stipled in texture

73
Q

marginal or free gingiva is described as

A

unattached gingiva

74
Q

the border surrounding the teeth is called

A

unattached gingiva

75
Q

where is unattached gingiva located

A

the border of tooth, from margin to suclus

76
Q

Suclus

A

superior-inferior space between gums and teeth

77
Q

Interdental gingiva fills space where

A

between teeth, aka dental papilla

78
Q

gingival groove is the space

A

between teeth and gums (anterior-posterior)

79
Q

attached gingiva is located at the

A

base of suclus to the mucogingival junction

80
Q

mucogingival junction

A

where mucosa meets gingiva

81
Q

Vestibule

A

located by molars, where mucosal lining of lips meets the cheek

82
Q

Oral Cavity Proper

A

Space above and below the tongue

83
Q

mucobuccal fold

A

where mucosal and vestibule meet (Inner cheek, mandible)

84
Q

linea alba is a

A

white line of tissue where upper and lower jaw meet in cheek

85
Q

What is the palatine raphe

A

the anterior-posterior division of the palate

86
Q

Palatine rugae is

A

on either side of ragae, small ridges away from the midline

87
Q

frenum

A

band of tissue connective two structures

88
Q

Labial frenum

A

band between lips labially

89
Q

lingual frenum

A

tie of tongue

90
Q

Glossopataline arch is also called

A

anterior pillar of fauces

91
Q

pharyngopalatine arch is called the

A

posterior pillar of fauces

92
Q

between the piller of fauces are the

A

palatine tonsils

93
Q

Isthmus of fauces

A

the opening housing palatine tonsils

94
Q

Papillae are the

A

sensory organs and nerve for touch and taste

95
Q

the papillae for touch is

A

filiform papillae

96
Q

the retromolar pad is on which process

A

mandibular

97
Q

the maxillary tuberosity is posterior on the

A

maxilla

98
Q

Ala is the term for

A

outer nostril

99
Q

nares is known as

A

the nasal opening

100
Q

the tragus is where

A

part of ear attaching to face

101
Q

philtrum is known as the

A

cupids bow or lip divot

102
Q

Inner and outer canthus are the

A

inner and outer corner of eye

103
Q

the labial commissure is the

A

corner or the mouth

104
Q

the outside line of lips is called the

A

vermillion border

105
Q

fleshy part of lips is the

A

vermillion zone

106
Q

the glabella is located between

A

the eyebrows

107
Q

below the glabella is the

A

naison

108
Q

periodontium is known as

A

structures that surround, support and are attached to teeth