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SEM 1 > Orofacial- Midterm > Flashcards

Orofacial- Midterm Flashcards

1
Q

The oral mucosa is composed of _____________ epithelium and connective tissue

A

stratified squamous epithelium

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2
Q

= layer of dead cells no nuclei

a) Keratinized
b) Non-keratinized
c) Parakertinized

A

Keratinized

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3
Q

= cells that are alive (have nuclei)

a) Keratinized
b) Non-keratinized
c) Parakertinized

A

Non-keratinized

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4
Q

= dead and dying cells with and without nuclei

a) Keratinized
b) Non-keratinized
c) Parakertinized

A

Parakertinized

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5
Q

Masticatory Mucosa is comprised of the ________ & _________.

A

gingiva and hard palate

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6
Q

Thi mucosa is firm, thick & immovable & keratinized.

A) Masticatory
B) Lining
C) Specialized

A

Masticatory

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7
Q

This mucosa is loose, flexible, and unattached tissue & non-keratinized

A) Masticatory
B) Lining
C) Specialized

A

Lining mucosa

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8
Q

Lining mucosa is found in what 4 areas of the mouth

A
  1. labial/buccal (cheek) mucosa
  2. Alveolar Mucosa
  3. Soft palate
  4. ventral surface of tongue/floor of
    mouth
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9
Q

Specialized mucosa is found where

A

On the dorsal of the tongue

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10
Q

Gingiva is divided into what 2 groups

A

Free gingiva
Attached gingiva

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11
Q

Free gingiva and attached gingiva combine to form the peak of gingiva that extends coronally between teeth

A

Interdental papilla

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12
Q

part of the interdental papilla that is apical to the contact area and connects the facial and lingual interdental papillae.

A

The col

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13
Q

The col is

A) Keratinized
B) Non-keratinized

A

Non-keratinized

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14
Q

Average depth of sulcus when measured
with a periodontal probe is about

A

1-3mm

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15
Q

The sulcus is

A) Keratinized
B) Non-keratinized

A

Non-keratinized

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16
Q

At the bottom of the sulcus is where the
gingiva attaches to the tooth

A

Attachment epithelium

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17
Q

Interdental papilla is to

A

prevent food from impacting interproximally beneath the contact areas of teeth

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18
Q

__________ is one of the first areas involved in
periodontal disease; it becomes swollen and blunted

A

Interdental papilla

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19
Q

Tightly attached to the underlying
connective tissue and bone

A

Attached gingiva

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20
Q

The first sign of periodontal disease is the loss of

A

Stippling

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21
Q

The normal colour of this gingiva

A

Coral or pink

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22
Q

In a diseased state, gingiva might become what color

A

Red, white or blushish

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23
Q

________ is the line between alveolar mucosa and attached gingiva

A

Mucogingival junction

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24
Q

3 types if glands

A
  1. Parotid
  2. Submandibular
  3. Sublingual
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25
Q

Only produces 25% of total resting salivary
volume

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Parotid

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26
Q

Secrete a thin, watery serous secretion

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Parotid

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27
Q

What is the largest of all glands

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Parotid

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28
Q

Parotid gland =

A) Stenson’s duct
B) Whartons duct
C) Bartholins duct

A

Stenson’s duct

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29
Q

Produces 60-65% of resting saliva

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Submandibular

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30
Q

Mixed gland – serous and mucous

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Submandibular

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31
Q

Duct opens in sublingual caruncle at the
base of the lingual frenum in floor of mouth

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Submandibular

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32
Q

Smallest of the 3 pairs of glands

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Sublingual

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33
Q

Produces 10% of saliva

  1. Parotid
  2. Submandibular
  3. Sublingual
A

Sublingual

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34
Q

Each tooth has a ______ & a _______ portion.

A

Crown & root

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35
Q

The crown is covered by

A

Enamel

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36
Q

The root is covered with

A

Cementum

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37
Q

The crown and root are joined at the

A

CEJ - Cementoenamel junction

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38
Q

the whole crown of the tooth that is covered by enamel (regardless of whether it is erupted)

A) anatomical crown
B) clinical crown

A

Anatomical crown

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39
Q

the part of the crown that is visible above the gingiva.

A) anatomical crown
B) clinical crown

A

Clinical crown

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40
Q

The line formed by the junction of the cementumand the enamel is called the

A

Cervical line or CEJ

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41
Q

_________ of a tooth is the moving of that tooth through its surrounding tissues so that the clinical crown gradually appears longer.

A

Eruption

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42
Q

division of a root into 2 segments

A

Bifurcation

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43
Q

division of a root into 3 segments

A

Trifurcation

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44
Q

Between the roots

A

Furcal region

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45
Q

The portion of the jaw that supports
the teeth is called the ______

A

Alveolar process

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46
Q

The bony socket in which the tooth fits
is called the

A

Alveolus

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47
Q

What are the 4 tooth tissues

A
  1. Enamel
  2. Dentin
  3. Cementum
  4. Dental pulp (soft tissue)
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48
Q

The outer surface of the anatomic crown is formed by

A

Enamel

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49
Q

Hardest tissue in the human body

A

Enamel

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50
Q

Forms the main portion or body of the tooth

A

Dentin

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51
Q

Underneath enamel and cementum

A

Dentin

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52
Q

Dentin in capable of adding to itself, creating

A

Secondary dentin

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53
Q

Covers the root in a non perfect layer

A

Cementum

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54
Q

Main function: to provide a medium for
attachment of the tooth to the alveolar
bone

A) cementum
B) enamel
C) pulp
D) dentin

A

Cementum

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55
Q

T/F: Cementum is thin at cervical line, thicker at apex

A

True

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56
Q

__________is the union of cementum and dentin

A

Dentinocementum junction

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57
Q

Cells that produce cementum are called

A

cementoblasts

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58
Q

2 types of cementum

A
  1. Acellular
  2. Cellular
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59
Q

Housed in center of tooth

A

Pulp

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60
Q

Nourishing, sensory, dentin-reparative
system of tooth

A

Pulp

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61
Q

dentin forming cells that surround pulp

A

Odontoblasts

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62
Q

The chief function of odontoblasts is to

A

lay down primary, secondary, and
reparative dentin

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63
Q

2 divisions of pulp

A
  1. Pulp chamber
  2. Pulp canals
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64
Q

pulp chamber + pulp canals =

A

Pulp cavity

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65
Q

4 types of teety

A
  1. Incisors
  2. Canines
  3. Premolars
  4. Molars
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66
Q

The 3 basic food processing functions of
the teeth are

A
  1. cutting
  2. holding / grasping
  3. grinding
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67
Q

How many incisors are there

A

8 - 4 top, 4 bottom.

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68
Q

Incisors are designed to

A

Cut

69
Q

How many canines are there

A

4 - 2 top, 2 bottom

70
Q

Canines are designed to

A

Hold, grasp or tear

71
Q

are the longest teeth in the human dentition

A

Canines

72
Q

They are some of the best anchored teeth because they have the longest roots

A

Canines

73
Q

_________ canines have the longest roots of the entire dentition

A

Maxillary

74
Q

How many pre molars

A

8 - 4 top, 4 bottom.

75
Q

Pre molars are designed to

A

Hold and grind food

76
Q

How many molars

A

12- 6 on top, 6 on bottom

77
Q

Molars are designed to

A

Chew or grind food

78
Q

faces the tongue (surface)

A

Lingual

79
Q

faces the cheek (surface)

A

Facial (buccal or labial)

80
Q

2 types of proximal surfaces

A
  1. Mesial
  2. Distal
81
Q

biting/chewing surfaces of posterior teeth

A

Occlusal

82
Q

biting/chewing surfaces of anterior teeth

A

Incisal

83
Q

Lines called ____________ form when these lobes fuse together

A

developmental grooves

84
Q

Anterior teeth have ______ facial lobes & ______ lingual lobes.

A

3 facial, 1 lingual

85
Q

Max premolars have ______ facial lobes & ______ lingual lobes.

A

3 facial lobes, 1 lingual lobe

86
Q

MAX 1st molars have ______ facial lobes & ______ lingual lobes. And can have an extra lingual cusp.

A

2 facial lobes, 2 lingual lobes and can have 1 extra lingual lobe

87
Q

T/F: The lingual cusp of the mand 1st premolars are smaller than max pre molars

A

True

88
Q

MAND 1st premolars have ______ facial lobes & _______ lingual lobes.

A

3 facial lobes, 1 lingual lobe

89
Q

MAND 1st molars have ______ facial lobes & ______ lingual lobes.

A

3 facial lobes, 2 lingual lobes

90
Q

Max 2nd molars have ______ facial lobes & ______ lingual lobes.

A

2 facial lobes and 2 lingual lobes

91
Q

T/F: Max 2nd molars are smaller in proportion to max 1st molar

A

True

92
Q

Extra cusp

A

Carabelli

93
Q
A

Tubercles

94
Q

small elevations of enamel on some portion of the crown of a tooth

A

Tubercles

95
Q
A

fossa

96
Q
A

lingual fossa

97
Q
A

cingulum

98
Q

depression of concavity on a tooth

A

Fossa

99
Q

Lingual lobr of maxillary anterior teeth

A

cingulum

100
Q

small pinpoint hole anywhere in the enamel

A

Pits

101
Q
A

maginal ridge

102
Q
A

transverse ridge

103
Q
A

Developmental groove

104
Q

Junction of 2 surfaces

A

Line angle

105
Q

point where 3 surfaces meet

A

Point angle

106
Q

At about ______ weeks in utero the tongue starts to develop

A

4½

107
Q
A

Philtrum

108
Q
A

Rugae

109
Q
A

incisive papilla

110
Q
A

torus

111
Q
A

Fovea palatine

112
Q
A

Posterior pillar / palatopharngeal

113
Q
A

Anterior pillar / palatoglossal

114
Q
A

Fauces

115
Q
A

Sublingial caruncle

116
Q
A

Sublingual fold

117
Q
A

Frimbiated fold

118
Q
A

circumvallate papillae

119
Q
A

filiform papillae

120
Q
A

fungiform papillae

121
Q
A

Foliate papillae

122
Q
A

Suplimental groove

123
Q
A

concavities

124
Q
A

triangular ridge

125
Q
A

Transverse ridge

126
Q
A

fissure

127
Q

V-shaped row facing posteriorly of
circular raised elevations
Divides Posterior 1/3 and ant 2/3

a) circumvallate
b) Filiform
c) Fungiform
d) Foliate

A

Circumvallate

128
Q

Anterior 2/3 of tongue,
Tiny, round, red, raised, spots

a) circumvallate
b) Filiform
c) Fungiform
d) Foliate

A

Fungiform

129
Q

anterior 2/3 of tongue
Slender, threadlike, pointed projections
No taste buds
Tactile sensation

a) circumvallate
b) Filiform
c) Fungiform
d) Foliate

A

Filiform

130
Q

Posterior 1/3 of tongue and on lateral (side) surfaces, close to vallate papillae
Few taste buds, not well developed

a) circumvallate
b) Filiform
c) Fungiform
d) Foliate

A

Foliate

131
Q

Functions of the teeth

A

Protect the oral cavity
Chew food
Aid in digestive system
Communication

132
Q

the general arrangement of
teeth

A

Dentition

133
Q

How many primary teeth

A

20 deciduous or
“baby” teeth

134
Q

How many teeth in the secondary dentition

A

32 permanent teeth

135
Q

comprises some permanent teeth and some deciduous teeth

A

Mixed dentition

136
Q

A primary quadrant has how many teeth

A

5

137
Q

Succedaneous Teeth

A

refers to the permanent teeth which
succeed or replace the deciduous
(primary) teeth

138
Q

Nonsuccedaneous Teeth

A

refers to the teeth which do not succeed
or replace any deciduous teeth
Ex: the permanent molars all 6’s,7’s,8’s

139
Q

a dentition which contains both primary/ deciduous and
secondary/ permanent teeth

A

Mixed dentition

140
Q

soft tissue that develops into a tooth

A

Tooth germ / tooth buds

141
Q

tooth buds begin to grow

A

during 6th week of fetal life

142
Q

early tooth socket

A

Crypt

143
Q

During the 6th week of fetal life _______ & _______ begin to form followed by ______.

A

Dentin and enamel followed by cementum

144
Q

Secondary dentin is produced _____ root formation or completion

a) before
b) after

A

after

145
Q

Primary teeth begin to calcify by the ____ or ____ month of fetal life

A

4th or 5th month of fetal life

146
Q

hardening of tooth tissues by the
deposition of mineral salts

A

Calcification

147
Q

Each tooth begins to develop from 4 or more growth centres
These centres grow out from the tooth germ and are known as

A

Deveopmental lobes

148
Q

The fusion of lobes is called

A

COALESCENCE

149
Q

The junction that forms the union of lobes is marked by lines on the tooth called

A

DEVELOPMENTAL
GROOVES

150
Q

Maxillary premolars have ____ facial lobes and __ lingual lobes

A

3 facial lobes and 1 lingual

151
Q

_____facial lobes form one high buccal cusp

A

3

152
Q

The lingual cusp of the mandibular 1st premolars are ______ than the maxillary 1st premolars

a) smaller
b) larger

A

Smaller

153
Q

Mandibular 2nd premolars are special because they can have ____ or ______ cusps

A

2 or 3 cusps

154
Q

2 cusp varieties of mandibular 2nd premolars

A

“U”, “H”, & “C”

155
Q

3 cusp varieties of mandibular 2nd premolars

A

“Y”

156
Q

When do 1st molars erupt

A

14-18 months

157
Q

When do canines erupt

A

17-23 months

158
Q

When do second molars erupt

A

23-31 months

159
Q

Which arch starts to erupt first?

A

Mandibular

160
Q

T/F: Teeth erupt in pairs

A

True

161
Q

T:F: Teeth erupt earlier in girls than boys

A

True

162
Q

The first teeth to appear in the mouth are usually the

A

mandibular central incisors

163
Q

The teeth that usually erupt second

A

maxillary central incisors

164
Q

Which teeth erupt 3rd

A

Mand lateral incisors followed by Max lateral incisors

165
Q

As the teeth erupt and meet their opposing tooth in the opposite arch, they form what is known as the

A

Oclusal plane

166
Q

When are the permanent 1st molars erupted

A

6-7 years

167
Q

T/F: When the first permanent molar erupts, the period of primary
dentition ends

A

TRUE

168
Q

At what age does mixed dentitions start

A

age 6

169
Q
A

SEM 1 (11 decks)

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