Embryology + Histology Chapter 8-10 Test Flashcards
1
Q
Ectoderm forms enamel with what cells
A
ameloblasts - form enamel organ
2
Q
Mesoderm forms what 3 things
A
dentin, pulp, and cementum
3
Q
Odontoblasts form what
A
dentin
4
Q
cementumblasts form
A
cementum
5
Q
cementum starts in the
A
dental sac
6
Q
Fibroblasts form what in the dental papilla
A
pulp
7
Q
histodifferentiation is the
A
specialization of cells, and differentiation of cells for tissue
8
Q
Morphodifferentiation is the
A
changing shape and size of teeth
9
Q
Eruption
A
tooth coming into functional position in oral cavity
10
Q
Exfoliation
A
loss of primary teeth
11
Q
Primary teeth are
A
baby teeth
12
Q
Succedaneous teeth are
A
permanent teeth following a primary tooth
13
Q
Primate spaces are located where
A
between baby teeth
14
Q
what happens in the bud stage(initiation)
A
thickening of dental lamina for bud formation
15
Q
What happens in the cap stage (proliferation)
A
development of enamel organ, dental papilla and dental sac
16
Q
Where is stellate reticulum loacted
A
in the enamel organ
17
Q
what happens in Bell stage (histo and morpho)
A
cells specialize and tooth changes shape and size
18
Q
The DEJ (dentoemanel) is where
A
where dentin and enamel meet
19
Q
The CEJ (cementoenamel) is where
A
where cementum and enamel meet right below gingiva
20
Q
apposition is when the tooth ___
A
moves into position to prepare for eruption
21
Q
Calcification occurs in which stage
A
Apposition
22
Q
Odontogensis is the
A
formation of new teeth
23
Q
Lamina dura is the
A
thin bone lining the socket
24
Q
OsteClasts
A
resorb bone (resorption)
25
OsteoBlasts
build bone (deposition)
26
The stomodeum is known as the
primitive mouth
27
Teratogens are the
adverse environmental influences
28
fordyce granules (spots)
misplaced sebaceous glands
29
the most crucial stage in development is
the embryonic stage
30
what occurs during weeks 4-8
processes move to midline
31
Which teeth are first to develop
mandibular anterior teeth (4 incisors)
32
The primary palate is developed in week
5
33
Fusion of the palates occurs in weeks
8-12
34
Disruption in palate fusion can cause what
Cleft lip and palate
35
what is the hardest structure in the body
enamel
36
Hydroxyapetite is the
crystals inside enamel prisms and rods where minerals are deposited
37
an anatomical crown is considered the
enamel covered portion of crown
38
a clinical crown includes
anything showing up to gingiva, can have exposed root
39
Dentinal tubules are ___ in dentin
canals that hold fluoride
40
how do you feel sensation
through dental tubules
41
Dental fibres transmit ___
pain stimuli
42
Primary dentin is the
bulk of the tooth, prior to eruption
43
Secondary dentin
continues to grow and occurs after eruption
44
Tertiatry dentin is formed in response to
irritation
45
Furcation is
the area between to or more roots
46
the alveolar process is also known as the
cortical plate
47
Where is the alveolar crest
the highest point of the alveolar bone
48
the alveolar socket is known as the
cavity in alveolar bone
49
where is the interdental septum
between sockets in alveolar bone
50
the interradicular septum is located
between multirooted teeth in alveolar bone
51
the epithelial attachment is where
gingiva attaches to the tooth
52
Periodontal ligament line the area between the
cementum and alveolar bone
53
Sharpeys fibres are mineralized ___
attachment points in cementum and bone
54
alveolar crest fibers oppose
lateral movement
55
which finer prevents lateral movement
horizontal fibers
56
Oblique fibres have the longest stretch and ____
resist all movement
57
moving apically means to move
towards the root/apex
58
the neck of the tooth is referred to as
cervical
59
incised/occlusal is the
top of the tooth
60
the surface against anterior teeth is referred to as the
labial surface
61
the surface against posterior teeth is referred to as the
buccal surface
62
Aplical fibres are where on the tooth & prevent what movement
the root/apex of tooth, prevent tipping and twisting
63
the interradiccular fibres are where and do what
between roots of multirooted teeth, reenforce
64
Transpetal fibres are AKA what
interdental fibers
65
where are interdental fibres located
between the teeth
66
transeptal fibres are responsible for
reenforcing position of the adjacent tooth
67
what are the 4 gingival fibers
dentogingival, alveolargingival, circular, dentoperiosteal
68
what do gingival fibres do
support marginal gigiva
69
Lining mucosa that is soft, vascular and darker in color covers what
cheeks, vestibule, lips, soft palate, underside of tongue
70
Masticatory mucosa is
keratinized, lighter color, tougher
71
masticatory mucosa covers
attached gingiva, palate, surface under tongue
72
what does healthy gingiva look like
stipled in texture
73
marginal or free gingiva is described as
unattached gingiva
74
the border surrounding the teeth is called
unattached gingiva
75
where is unattached gingiva located
the border of tooth, from margin to suclus
76
Suclus
superior-inferior space between gums and teeth
77
Interdental gingiva fills space where
between teeth, aka dental papilla
78
gingival groove is the space
between teeth and gums (anterior-posterior)
79
attached gingiva is located at the
base of suclus to the mucogingival junction
80
mucogingival junction
where mucosa meets gingiva
81
Vestibule
located by molars, where mucosal lining of lips meets the cheek
82
Oral Cavity Proper
Space above and below the tongue
83
mucobuccal fold
where mucosal and vestibule meet (Inner cheek, mandible)
84
linea alba is a
white line of tissue where upper and lower jaw meet in cheek
85
What is the palatine raphe
the anterior-posterior division of the palate
86
Palatine rugae is
on either side of ragae, small ridges away from the midline
87
frenum
band of tissue connective two structures
88
Labial frenum
band between lips labially
89
lingual frenum
tie of tongue
90
Glossopataline arch is also called
anterior pillar of fauces
91
pharyngopalatine arch is called the
posterior pillar of fauces
92
between the piller of fauces are the
palatine tonsils
93
Isthmus of fauces
the opening housing palatine tonsils
94
Papillae are the
sensory organs and nerve for touch and taste
95
the papillae for touch is
filiform papillae
96
the retromolar pad is on which process
mandibular
97
the maxillary tuberosity is posterior on the
maxilla
98
Ala is the term for
outer nostril
99
nares is known as
the nasal opening
100
the tragus is where
part of ear attaching to face
101
philtrum is known as the
cupids bow or lip divot
102
Inner and outer canthus are the
inner and outer corner of eye
103
the labial commissure is the
corner or the mouth
104
the outside line of lips is called the
vermillion border
105
fleshy part of lips is the
vermillion zone
106
the glabella is located between
the eyebrows
107
below the glabella is the
naison
108
periodontium is known as
structures that surround, support and are attached to teeth
