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Oral Anatomy > Terminology 8/30 (1st Semester) > Flashcards

Terminology 8/30 (1st Semester) Flashcards

1
Q

Dentition

A

Natural teeth in the dental arch

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2
Q

Maxillary

A

Fusion of 2 bones

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3
Q

Mandibular

A

1 bone

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4
Q

Median line

A

Midline- forming equal left and right sides

MID-SAGITTAL PLANE

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5
Q

Quadrant

A

Half and arch created by median line

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6
Q

3 Different Characteristic of Dentition

A
  • Form and Function
  • Eruption or Exfoliation
  • Attachment to the Jaw
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7
Q

Homodont

A

One form, one function, has one purpose

ex. shark (repeated dentition to pierce)

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8
Q

Heterodont

A

Several forms in the same arch

ex. humans

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9
Q

Incisors (8 total in the mouth)

A

2 per quadrant

both primary and permanent dentitions

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10
Q

Canine (AKA cuspid) (4 total in the mouth)

A

1 per quadrant

both primary and permanent dentitions

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11
Q

Premolars (AKA bicuspid) (8 total in the mouth)

A

2 per quadrant

ONLY permanent dentition

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12
Q

Molars (8 primary 12 permanent total in the mouth)

A

2 per quadrant -primary

3 per quadrant - permanent

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13
Q

Polyphyodontism

A 
Many sets of teeth
Continuous replacement (eruption) of teeth
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14
Q

Humans are classified as

A
  • Heterodont (Form and Function)
  • Diphyodont (Eruption and Exfoliation)
  • Thecodont (Attachment to the Jaw)
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15
Q

Diphyodontism

A

2 sets of teeth

Human: deciduous and permanent

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16
Q

Primary/Deciduous

A

20 teeth which erupt from ages 6 months - 2 years

AKA milk teeth

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17
Q

Secondary Permanent

A

32 teeth which erupt from ages 6-12 years

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18
Q

Mixed dentition

A

When components of primary/deciduous and secondary/permanent are present
Ages 6-12 years

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19
Q

Functions of Dentitions

Primary

A

Alignment, formation, speech (anterior teeth), and mastication (chewing)

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20
Q

Functions of Dentitions

Secondary

A

Esthetics (how you look), speech, and mastication (chewing)

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21
Q

Functions of Dentitions
Secondary
*Succedaneous

A

Permanent teeth replacing deciduous
(permanent tooth succeeded a primary tooth)
20 permanent teeth that replace the primary teeth are

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22
Q

Functions of Dentitions
Secondary
*Nonsuccedaneous

A

Permanent teeth with no predecessors

Permanent molars they erupt where there were no secondary teeth

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23
Q

Dentition Components

Gingiva

A

Soft tissue surrounding the teeth

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24
Q

Dentition Components
Teeth
4 class traits

A

Incisor, Canine, Premolar, and Molar

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25
Q

Tissue of the Teeth

Enamel

A

Hardest structure in the body
No reparative capability
*Crystal (inflexible) brittle highly mineralized

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26
Q

Tissue of the Teeth

Dentin

A

Forms “bulk” of tooth Structure (most common tissue found in teeth)
has limited reparative capability (decay progresses faster)
*Absorb forces better protects enamel shock absorbing

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27
Q

Color of Enamel is dependent upon 3 factors

A

Thickness, Mineralization, and Color of the dentin beneath it

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28
Q

Tissue of the Teeth

Cementum

A

Covers dentin of root surfaces

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29
Q

Tissue of the Teeth

Pulp

A

Vascular, lymphatics, and neurological components

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30
Q

Pulp: Chamber

A

Within the crown of the tooth

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31
Q

Pulp: Canal

A

Within the roots of the tooth

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32
Q

Pulp: Horns

A

Chamber extensions toward crown of tooth

Extensions of the pulp chamber

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33
Q

Anatomical Crown

A

That portion of the tooth covered with enamel

the part of the tooth that you can see

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34
Q

Clinical Crown

A

That portion of the tooth seen in the oral cavity
That part of the tooth that you can preform a therapeutic treatment on
*Can be the same as Anatomical Crown

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35
Q

Anatomical Root

A

That portion of the tooth covered with cementum

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36
Q

Clinical Root

A

That portion of the tooth NOT seen in the oral cavity

That part of the tooth that you CAN’T preform a therapeutic treatment on

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37
Q

Attachment to the Jaw

Acrodont (Ex Lizard)

A

Teeth are fused to the height of the alveolar ridge (alveolar process, alveolar bone)

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38
Q

Attachment to the Jaw

Pleurodont (Ex. Alligator)

A

Teeth are fused to the inner surface of the alveolar ridge (alveolar process, alveolar bone)

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39
Q

Attachment to the Jaw

Thecodont (Ex Human)

A

Teeth are held in the jaw by roots

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40
Q

Cementoenamel (CEJ)

A

Cementum and enamel meet
60% Cementum overlaps onto the enamel
30% Cementum comes right up to the enamel
10% Cementum doesn’t meet enamel (leaves exposed dentin SENSITIVITY)

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41
Q

Dentinoenamel junction (DEJ)

A

Dentin meets enamel

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42
Q

Dentinocemental Junction (DCJ)

A

Dentin and cementum meet

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43
Q

Alveolar Process

A

Bone which surrounds and supports the teeth

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44
Q

Apical Foramen (foramena)

A

Opening near the apex of the tooth

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45
Q

Furcation

A

Branching of tooth with more than one root. Branches into 2 or 3 roots

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46
Q

Furcation

Bifurcated

A

Single root trunk branches into 2 roots

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47
Q

Furcation

Trifucated

A

Single root trunk branches into 3 roots

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48
Q

Root trunk

A

“Unbranched” portion of multi-rooted teeth

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49
Q

Root Apex

A

End of the root (Apical Foramen is different - in different places)

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50
Q

Periodontal Ligament (PDL)

A

Fibrous ligament that joins alveolar bone to cementum on the root surface

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51
Q

Gomphosis

A

Union of the tooth to the jaw

Special joint that holds teeth in the jaw

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52
Q

Primary/Deciduous Quadrant Formula

A

2-1-2

Incisors-Canine-Molar

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53
Q

Permanent/Secondary Quadrant Formula

A

2-1-2-3

Incisors-canine-premolars-molars

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54
Q

Deciduous Teeth

Universal System

A

Continuous lettering system

A-T (1st 20 letters of the alphabet)

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55
Q

Deciduous Teeth

Palmer System

A

A-E with quadrant designation

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56
Q

Deciduous Teeth

FDI/ISO System

A

5-8 for quadrant; 1-5 for tooth

5 UR, 6 UL, 7 LL, 8 LR

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57
Q

Permanent Teeth

Universal System

A

Continuous numbering system 1-32

Start with 1 in the UR go to UL drop down to LL and end with 32 LR

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58
Q

Permanent Teeth

Palmer System

A

1-8 with quadrant designation

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59
Q

Permanent Teeth

FDI/ISO System

A

1-4 for Quadrant 1-8 for tooth

1 UR, 2 UL, 3 LL, 4 LR

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60
Q

Anatomical Placement

Anterior

A

Incisors and Canines

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61
Q

Anatomical Placement

Posterior

A

Premolars and Molars

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62
Q

Sextant

Molars, Premolars

A

1-5 Posterior (sextant 1 UR)

28-32 Posterior (sextant 4 LL)

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63
Q

Sextant

Canines, Incisors

A

6-11 Anterior (sextant 2)

22-27 Anterior (sextant 5)

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64
Q

Sextant

Premolars, Molars

A

12-16 Posterior (sextant 3 UL)

17-21 Posterior (sextant 6 LR)

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65
Q

D-A-Q-T System

1. Dentition

A

Primary VS Permanent

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66
Q

D-A-Q-T System

2. Arch

A

Maxillary VS Mandibular

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67
Q

D-A-Q-T System

3. Quadrant

A

Left VS Right

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68
Q

D-A-Q-T System

4. Tooth

A

Type and Class
(Canine there isn’t a type because there is only 1 per quadrant)
(Incisor for the type would be central or lateral)
(premolars (1,2) and molars (1,2,3)

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69
Q

ISO

Double Digit Organization

A 
Oral Cavity
Arch
Quadrant
Sextant
Teeth
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70
Q

ISO

Whole Mouth

A

00

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71
Q

ISO

Maxillary Area

A

01

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72
Q

ISO

Mandibular Area

A

02

73
Q

ISO

Upper Right Quadrant

A

10 (11-18) Start in Anterior teeth

74
Q

ISO

Upper Left Quadrant

A

20 (21-28) Start in Anterior teeth

75
Q

ISO

Lower Left Quadrant

A

30 (31-38) Start in Anterior teeth

76
Q

ISO

Lower Right Quadrant

A

40 (41-48) Start in Anterior teeth

77
Q

ISO
Upper Right Sextant
Maxillary Arch

A

03 (Posterior)

78
Q

ISO
Upper Anterior Sextant
Maxillary Arch

A

04 (Anterior)

79
Q

ISO
Upper Left Sextant
Maxillary Arch

A

05 (Posterior)

80
Q

ISO

Lower Left Sextant

A

06 (Posterior)

81
Q

ISO

Lower Anterior Sextant

A

07 (Anterior)

82
Q

ISO

Lower Right Sextant

A

08 (Posterior)

83
Q

Descriptive Traits

Set Traits

A

Referring to the Dentition
Characteristics in primary and permanent dentitions (ex. enamel is thinner than in primary dentition than in the permanent dentition)

84
Q

Descriptive Traits

Arch Traits

A

Characteristic in Maxillary or Mandibular teeth (ex. maxillary molars have 3 roots and mandibular molars have 2 roots; contrast of arch traits

85
Q

Descriptive Traits

Class Traits

A

Place teeth in functional category

-Incisors, Canine, Premolar, and Molar

86
Q

Descriptive Traits

Type Traits

A

Differentiate teeth with a class

*NO type trait for a Canine

87
Q

Thirds of Teeth/Roots

Root Thirds

A

Apical, middle and cervical

88
Q

Crown thirds

A

Cervical, middle, and occlusal/incisal
Incisal (anterior)
Occlusal (posterior)

89
Q

Proximal Surface thirds

A

2 proximal surfaces touching each other
Labial (tongue)/buccal, middle and lingual
Labial (anterior - part toward the lips or face)
Buccal (posterior - toward the cheek)
Facial (anterior for the most part - toward the lips or face)

90
Q

Direct view thirds

A

mesial, middle and distal
mesial (toward the midline)
distal (away from the midline)

91
Q

Line Angles

A

Indicate where 2 surfaces meet or intersect on a tooth
posterior tooth
-buccal surface that faces the cheek
-occlusal on top of tooth
-occlusal and buccal surfaces meet we have the occlusal buccal lining

92
Q

Point angles

A

Used to indicate where 3 surfaces meet or intersect

  • facial surface
  • distal surface
  • incisal surface
  • -called a distal incisal facial point angle
93
Q

Terminology

Root

A

core of a word

94
Q

Terminology

Combining vowel

A

usually “o”

95
Q

Terminology

Combining form

A

the above 2

core of a word and usually “o”

96
Q

Terminology

Suffix

A

3 functions

97
Q

Terminology

Prefix

A

2 functions

98
Q

C.

Dent/o, Dent/i, Odont/o

A

Tooth

ex. Dentist, Dentition, Orthodontist

99
Q

C.

Maxill/o

A

Upper Jaw

100
Q

C.

Mandibul/o

A

Lower Jaw

101
Q

C.

Gnath/o

A

Jaw (in general not specified to either one)

102
Q

C.

Or/o, Stomat/o

A

Mouth

103
Q

C.

Cheil/o, Labi/o

A

Lip

104
Q

C.

Lingu/o, Gloss/o

A

Tongue

105
Q

C.

Gingiv/o

A

Gingiva

106
Q

C.

Ment/o

A

Chin

107
Q

C.

Bucc/o

A

Cheek

108
Q

C.

Dentin/o

A

Dentin

109
Q

C.

Orth/o

A

Straight, straighten or correct

ex orthodontist one who studies the straightening of teeth

110
Q

C.

Ped/o

A

Child

111
Q

C.

Prosth/e/o

A

To add

ex. prothtodontist adding teeth

112
Q

C.

Palat/o

A

Palate

113
Q

P.

a-, an-

A

Without

114
Q

P.

anti-

A

Against

115
Q

P.

auto-

A

Self

116
Q

P.

dys-

A

Bad, painful, difficult

117
Q

P.

ecto-

A

Outside, outer

118
Q

P.

endo-

A

Inside, inner

119
Q

P.

epi-

A

Over, Upon

120
Q

P.

eu-

A

Good, well

121
Q

P.

ex-

A

From, out from, out of

122
Q

P.

extra

A

Outside of, beyone, in addition

123
Q

P.

hyper-

A

Above, excessive, more than normal

124
Q

P.

hypo-

A

Under, less than normal

125
Q

P.

peri-

A

Around

126
Q

P.

pre-, pro-

A

Before, in front of

127
Q

P.

semi-

A

Half

128
Q

P.

supra-, super-

A

Above, over, more than normal

129
Q

S.

-ia, -y

A

Condition, process

130
Q

S.

-ist

A

One who specializes in

131
Q

S.

-itis

A

Inflammation

132
Q

S.

-oma

A

Tumor, neoplasm

133
Q

S.

-or

A

One who

134
Q

S.

-osis

A

Abnormal Condition

135
Q

S.

–algia

A

Pain

136
Q

S.

-ology

A

The study of

137
Q

S.

-emia

A

Blood condition

138
Q

S.

-penia

A

Deficiency, lack of

139
Q

S.

-otomy

A

Incision

140
Q

S.

-ectomy

A

Excision

141
Q

S.

-ic, -al, -ac, -ar

A

Pertaining to

142
Q

S.

-ous

A

Pertaining to, containing

143
Q

S.

-oid

A

Resembling

144
Q

S.

-itic

A

Pertaining to inflammation

145
Q

S.

-itoid

A

Resembling inflammation

146
Q 
Dentist
Orthodontist
Periodontist
Gnathalgia
Gingivitis
Periodontitis
Odontoma
Cheilitis
Glossectomy
Endodontist
Dysmentitis
Cementoid
Anemia
Headache
A

.

147
Q

Tooth Surface
Proximal (interproximal)
-Mesial

A

Toward the midline

148
Q

Tooth Surface
Proximal (interproximal)
-Distal

A

Away from the midline

149
Q

Tooth Surface

Lingual

A

Facing the tongue

150
Q

Tooth Surface
Occlusal/Incisal
-Posterior

A

Surface facing opposite arch – chewing

151
Q

Tooth Surface
Occlusal/Incisal
-Anterior

A

Surface facing opposite arch – cutting

152
Q

Tooth Surface

Facial, Labial, Buccal

A

facing the lips or cheek
Facial and Labial (anterior)
Buccal (posterior)

153
Q

Tooth Surface

Cervical

A

near the CEJ

154
Q

Tooth Surface

Direct

A

“Center” of the surface

155
Q

Surface Combinations
1st
NO proximal

A

Use proximal surface first when in combination
Then occlusal/incisal 1st in combination
drop “al” and place “o” in combination

156
Q

3 Surface Combinations

A

1) Proximal
2) Occlusal/ Incisal
3) Facial/ Lingual
* With 2 proximal surfaces, mesial 1st

157
Q

Tooth Morphology

Cusp

A

Elevation on the tooth crown
only happen in the posterior
major elevation

158
Q

Tooth Morphology

Cingulum

A

Lingual Elevation

159
Q

Tooth Morphology

Ridge

A

Linear Elevation on tooth

160
Q

Tooth Morphology

Fossa

A

Shallow depression; concavity

161
Q

Tooth Morphology

Develpmental grooves

A

Separate lobes

162
Q

Tooth Morophology

Tubercule

A

small elevation of enamel on the crown

smaller than a cusp

163
Q

Bone Terminology

Foramen

A

Short, window-like opening in bone

164
Q

Bone Terminology

Canal/ Meatus

A

Long, narrow opening in bone

165
Q

Bone Terminology

Fossa

A

Depression in bone

166
Q

Bone Terminology

Tuberosity

A

Large, rough prominence of bone

167
Q

Bone Terminology

Tubercle

A

Small elevation

168
Q

Bone Terminology

Process

A

Any prominence

169
Q

Bone Terminology

Sinus

A

Air-filled cavities in bone

170
Q

Medial

A

Toward the midline

171
Q

lateral

A

Away from the midline

172
Q

Posterior

A

Back

173
Q

Anterior

A

Front

174
Q

Superior

A

Top

175
Q

Inferior

A

Bottom

176
Q

Dors-

A

Back

177
Q

Ventr-

A

Belly

178
Q

Caud-

A

Tail

179
Q

Cephal-

A

Head

Oral Anatomy (3 decks)

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