DENTAL TECHONOLOGY Flashcards
(141 cards)
1
Q
Latin term for “Mouth”
A
Oris
2
Q
the area between the teeth, lips or cheek
A
Vestibule
3
Q
The area located internal to the teeth Posteriorly, the oral cavity is continuous with the oropharynx
A
Oral Cavity Proper
4
Q
Parts of the Oral Cavity
Covers the body of the maxilla anteriorly
A
Superior Lip
5
Q
Parts of the Oral Cavity
The arched opening at the back of the mouth leading to the pharynx
A
Fauces
6
Q
Parts of the Oral Cavity
Bundle of Lymphatic tissue located in the lateral oropharynx
A
Palatine Tonsil
7
Q
Parts of the Oral Cavity
A muscular organ in the mouth that aids in chewing, speaking and breathing
A
Tongue
8
Q
Parts of the Oral Cavity
A thin fold of mucous membrane on the inferior surface of the tongue
A
Lingual Frenulum
9
Q
Parts of the Oral Cavity
The tissue of the upper and lower jaw that surrounds the base of the teeth
A
Gingiva
10
Q
Parts of the Oral Cavity
Covers the anterior surface of the mandibular part of your mouth
A
Inferior Lip
11
Q
Parts of the Oral Cavity
Connects the upper lip to the alveolar process in the midline maxilla
A
Superior labial frenulum
12
Q
Parts of the Oral Cavity
Formally separates the oral cavity from nasal cavities (forming the floor of nasal and roof of oral cavity)
A
Hard Palate
13
Q
Parts of the Oral Cavity
- sits behind the hard palate
- prevent food and liquid from
entering the nasal cavity
A
Soft Palate
14
Q
Parts of the Oral Cavity
Secrete saliva to moisten your mouth and throat
A
Uvula
15
Q
Parts of the Oral Cavity
Designed to crush, chew, grind food
A
Molars
16
Q
Parts of the Oral Cavity
A
17
Q
Parts of the Oral Cavity
Sit between your canines and molars. Help tear crush and grind food to smaller pieces
A
Pre-molars (Bicuspids)
18
Q
Parts of the Oral Cavity
Narrow edged tooth at the front of the mouth, adapted for cutting or biting
A
Incisors
19
Q
Boundaries of the Oral Cavity
Lip
A
Anterior
20
Q
Boundaries of the Oral Cavity
Buccal Mucosa
A
Lateral
21
Q
Boundaries of the Oral Cavity
Hard and soft palate junction
A
Posterosuperior
22
Q
Boundaries of the Oral Cavity
Retromolar Trigone
A
Posterolateral
23
Q
Boundaries of the Oral Cavity
Circumvallate Papillae
A
Posteroinferior
24
Q
Oral Vestibule
Boundaries:
- External: Lips and cheeks
- Internal: Alveolar processes and
teeth
● Communicates with the oral
cavity via a space behind the
last molar when teeth are in
occlusion
● Opens into the pharynx at the
faucial isthmus
A
25
- Internally (mucosal side): lined
by nonkeratinized squamous
epithelium
- Externally: lined by keratinized
stratified squamous epithelium
- Nasolabial fold - separates
cheeks and lips
- Lamina propria: mucous
salivary glands
- Orbicularis oris: Muscular
foundation
- Blood supply: superior and
inferior labial arteries
Lips
26
- Forms the lateral boundaries of
the oral vestibule
- Buccinator: forms the muscular
framework of the cheek
- Fibers run perpendicular to the
buccinators
Cheeks (Buccal Mucosa)
27
Posterior part of the cheek and covers the
vertical ramus of the mandible and the mandibular angle
Masseter Muscle
28
Primary function is to tear and chew food
Teeth
29
Hard covering of teeth
Enamel
30
covers the root of a tooth; helps hold the - tooth in the socket
Cementum
31
hard but porous tissue located under both the enamel and cementum of the tooth.
Dentin
32
Holds the tooth in place
Periodontal Ligaments
33
Contains blood vessels and nerves; nourishes the dentin, also connected to the alveolus via the root canal
Pulp
34
Anchor of the tooth that extends into the jawbone
Root
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Area between the crown and root; protrudes from sockets in the alveolar processes of the maxilla and mandible
Neck
36
Projects freely into the oral cavity. Externally covered by enamel
Crown
37
# Hard Palate
Formed by:
- Anterior: palatine processes of
the maxilla
- Posterior: horizontal plates of
the palatine bones
Greater palatine foramen - greater
palatine artery, vein, and nerve
Lesser palatine foramen - lesser
palatine artery, vein, and nerve
38
# Muscles of the soft palate
Function: Tenses (makes tight) the soft palate
Tensor veli palatini
39
# Muscles of the soft palate
Elevates the soft palate during swallowing to keep food from
entering the nose
Levator veli palatini
40
# Muscles of the soft palate
Runs from the anterior faucial pillar
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# Muscles of the soft palate
Muscle of the posterior faucial pillar
42
Seals the oral cavity posteriorly through the uvula (pendulant process)
Soft Palate
43
* Foramen caecum - point of origin of the thyroid gland
* Occupies much of the oral cavity
* Continuous laterally and anteriorly with the floor of the mouth
Tongue
44
# Extrinsic Muscles
Elevates & retracts the tongue
Styloglossus
45
# Extrinsic Muscles
Depresses the tongue
Hyoglossus
46
# Extrinsic Muscles
Protrude the tongue, depress
center
Genioglossus
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# Extrinsic Muscles
Elevates back of the tongue
Palatoglossus
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Changes position of the tongue
Extrinsic Muscles
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Change the shape of the tongue
Intrinsic Muscle
50
# Intrinsic Muscle
From hyoid bone to tip; moves the tip
Longitudinal
51
# Intrinsic Muscle
Go across the tongue; narrows and lengthens the tongue
Transversus
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# 4 Types of Papillae:
Foliate
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# 4 Types of Papillae:
Vallate
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# 4 Types of Papillae:
Fungiform mushroom
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# 4 Types of Papillae:
Filiform
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Specific taste perception
Taste buds
57
- Lingual frenulum
- Submandibular gland duct Sublingual papilla
Oral Floor
58
# Alveolar Ridge
Middle superior alveolar nerve from the
infraorbital nerve
Bicuspids
59
# Alveolar Ridge
Anterior superior alveolar nerve from the
Infraorbital nerve
Incisors and Canines
60
# Alveolar Ridge
Posterior superior alveolar nerve from the
pterygopalatine fossa
Molars
61
# Alveolar Ridge
From the inner lining of the lip becomes
tightly bound to the alveolar bone at the muco- gingival junction
Vestibular mucosa
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# Physiology
* gateway to the digestive tract
* Seals the oral cavity during swallowing and chewing to prevent food spillage (main function of the orbicularis oculi)
* Impaired muscle function → deficiency in lip closure eating difficulties and drooling
Lips
63
# Physiology
Multifunction organ with both motor and sensory properties
- Extrinsic muscles - positions and
movement
- Intrinsic muscles - alters the shape
of the tongue
Tongue
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# Physiology
Chewing; located closest to the insertion of the masticatory muscles → high pressure is developed between the occlusive surfaces
Molars
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# Physiology
Controls the production of vowels, certain consonants, and palatal sounds through the changes in the shape and position of the tongue
Lingual articulation
66
# Physiology
Tongue, pharynx, nose, and paranasal sinuses; coordination of vocal sounds
Supraglottic Vocal Tract
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# TOOTH ANATOMY
Narrow edged tooth at the front of the mouth, adapted for cutting or biting
Incisors
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# TOOTH ANATOMY
Piercing or tearing teeth, single cone-shaped cusp on their crowns
Canine
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# TOOTH ANATOMY
Sit between your canines and molars. Help tear crush and grind food to smaller pieces
Premolars
70
# TOOTH ANATOMY
Designed to crush, chew, grind food
Molars
71
# TOOTH ANATOMY
Projects freely into the oral cavity. Externally covered by enamel
Crown
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# TOOTH ANATOMY
Area between the crown and root; protrudes from sockets in the alveolar processes of the maxilla and mandible
Neck
73
# TOOTH ANATOMY
Anchor of the tooth that extends into the jawbone
Root
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# TOOTH ANATOMY
Hard covering of teeth
Dentin
75
# TOOTH ANATOMY
Hard but porous tissue located under both the enamel and cementum of the tooth.
Dentin
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# TOOTH ANATOMY
Covers the root of a tooth; helps hold the - tooth in the socket
Cementum
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# TOOTH ANATOMY
Contains blood vessels and nerves; nourishes the dentin, also connected to the alveolus via the root canal
Pulp Cavity
78
# TOOTH ANATOMY
The pulp-filled cavity in the root of a tooth.
Root Canal
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# TOOTH ANATOMY
The tissue of the upper and lower jaw that surrounds the base of the teeth
Gingiva
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# TOOTH ANATOMY
Supply blood and feeling to the whole tooth
Nerves and Blood Vessels
81
Located on the jaw bones which hold the teeth
Alveolar Bone
82
# TOOTH ERUPTION AGE
8-12 mos
## Footnote
PRIMARY DENTITION
maxillary central incisor
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# TOOTH ERUPTION AGE
9-13 mos
## Footnote
PRIMARY DENTITION
maxillary lateral incisor
84
# TOOTH ERUPTION AGE
16-22 mos
## Footnote
PRIMARY DENTITION
maxillary canine
85
# TOOTH ERUPTION AGE
13-19 mos
## Footnote
PRIMARY DENTITION
maxillary first molar
86
# TOOTH ERUPTION AGE
25-33 mos
## Footnote
PRIMARY DENTITION
maxillary second molar
87
# TOOTH ERUPTION AGE
6-10 mos
## Footnote
PRIMARY DENTITION
mandibular central incisor
88
# TOOTH ERUPTION AGE
10-16 mos
## Footnote
PRIMARY DENTITION
mandibular lateral incisor
89
# TOOTH ERUPTION AGE
17-23 mos
## Footnote
PRIMARY DENTITION
mandibular canine
90
# TOOTH ERUPTION AGE
14-18 mos
## Footnote
PRIMARY DENTITION
mandi first molar
91
# TOOTH ERUPTION AGE
23-31 mos
## Footnote
PRIMARY DENTITION
mandi second molar
92
# TOOTH ERUPTION AGE
7-8 yrs
## Footnote
PERMANENT DENTITION
maxillary central incisor
93
# TOOTH ERUPTION AGE
8-9 yrs
## Footnote
PERMANENT DENTITION
maxillary lateral incisor
94
# TOOTH ERUPTION AGE
11-12 yrs
## Footnote
PERMANENT DENTITION
maxillary canine
95
# TOOTH ERUPTION AGE
10-11 yrs
## Footnote
PERMANENT DENTITION
maxillary first premolar
96
# TOOTH ERUPTION AGE
10-12 yrs
## Footnote
PERMANENT DENTITION
maxillary second premolar
97
# TOOTH ERUPTION AGE
6-7 yrs
## Footnote
PERMANENT DENTITION
maxillary first molar
98
# TOOTH ERUPTION AGE
12-13 yrs
## Footnote
PERMANENT DENTITION
maxillary second molar
99
# TOOTH ERUPTION AGE
17-21 yrs
## Footnote
PERMANENT DENTITION
maxillary third molar
100
# TOOTH ERUPTION AGE
6-7 yrs
## Footnote
PERMANENT DENTITION
mandibular central incisor
101
# TOOTH ERUPTION AGE
7-8 yrs
## Footnote
PERMANENT DENTITION
mandibular lateral incisor
102
# TOOTH ERUPTION AGE
9-10 yrs
## Footnote
PERMANENT DENTITION
mandibular canine
103
# TOOTH ERUPTION AGE
10-12 yrs
## Footnote
PERMANENT DENTITION
mandi first premolar
104
# TOOTH ERUPTION AGE
11-12 yrs
## Footnote
PERMANENT DENTITION
mandi second premolar
105
# TOOTH ERUPTION AGE
6-7 yrs
## Footnote
PERMANENT DENTITION
mandi first molar
106
# TOOTH ERUPTION AGE
11-13 yrs
## Footnote
PERMANENT DENTITION
mandi second molar
107
# TOOTH ERUPTION AGE
17-21 yrs
## Footnote
PERMANENT DENTITION
mandi third molar
108
Two bones forming the
upper jaw. They are rigidly
attached to the skull
Maxilla
109
Horseshoe-shaped bone which articulates with the skull by the way of the temporomandibular joint (TMJ)
Mandible
110
# Functions of Teeth
a. Incisors - chisel like cutting
b. Canines - wedge like cutting and tearing
c. Premolars - tearing and grinding
d. Molars - grinding
Mastication
111
# Functions of Teeth
Well arranged clean teeth with proper
alignment give nice appearance to the face
Appearance
112
# Functions of Teeth
For clear pronunciation and production of sound
Speech
113
# Functions of Teeth
The teeth plays a role in the growth of the jaws
Growth of Jaws
114
2 Generations of Teeth
Deciduous: primary dentition
Permanent: secondary dentition
115
# Three Basic Tooth Forms
cutting teeth, with thin, blade-like crowns
Incisiform teeth (incisors, I in dental notation)
116
# Three Basic Tooth Forms
Piercing or tearing teeth, single cone-shaped cusp on their crowns
Caniniform teeth (canines, C in dental notation)
117
# Three Basic Tooth Forms
Grinding teeth. Molars - more than one cusp.
Premolars - bicuspid.
Molariform teeth (molars, M, premolars, PM in dental notation)
118
# Terminology
Towards the front (incisors & canine)
Anterior
119
# Terminology
Towards the back (premolars and molars)
Posterior
120
# Terminology
Surface of anterior crown
Incisal margin
121
# Terminology
Surface of posterior crown
Occlusal margin
122
# Terminology
Front view of anterior tooth
Buccal
123
# Terminology
Front view of posterior tooth
Labial
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# Terminology
Back view of anterior tooth
Lingual
125
# Terminology
Back view of posterior tooth
Palata
126
# Terminology
Towards the center
Mesial
127
# Terminology
Two roots becoming one
Bifurcation
127
# Terminology
Away from the center
Distal
128
# Terminology
Linear elevation on the surface of a
tooth
Rudge
129
# Terminology
Ridge at the mesial or distal edge of the occlusal surface of the posterior tooth.
Some anterior teeth have equal ridges
Marginal Ridge
129
# Terminology
Elevation on the occlusal surface of the tooth
Cusp
130
# Terminology
Small elevation on the crown
Tubercle
130
# Terminology
Bulbous convexity near the cervical region of the tooth
Cingulum
131
# Terminology
Long cleft between cusps or ridges
Fissure
132
# Terminology
Rounded depression in a surface of a tooth
Fossa
133
# Terminology
Seen by the naked eye
Clinical Crown
134
# Terminology
Seen via x ray
Anatomical Crown
134
# Terminology
Portion of the tooth lying within the alveolus
Clinical Root
135
# Terminology
Portion of a tooth covered by cementum
Anatomical Root
135
# Terminology
Junction of the anatomical crown and the anatomical root
Cervical Crown
136
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