DE 192 : Exam 1 (The tooth, The oral cavity, Dentition) Flashcards
(110 cards)
1
Q
Humans are
A) Polyphyodont and heterodont
B) Diphyodont and Heterodont
C) Monodont and monophyodont
D) Heterodont and polyphyodont
A
Diphyodont and Heterodont
2
Q
Congenitally missing teeth is referred to as
A
Anodontia
3
Q
Anodontia can be
A) Total or partial
B) Supernumerary and hypodontia
C) Hyperdontia or hypodontia
D) Partial only
A
Total or partial
4
Q
Partial Anodontia is also called
A
Hypodontia
5
Q
Secondary or permanent dentition has ___ teeth
A
32 teeth
6
Q
Primary or deciduous dentition has ____ teeth
A
20 teeth
7
Q
One set of teeth/dentition throughout life is called
A
Monophyodont
8
Q
Mixed dentition happens during ages
A
6-12 years
9
Q
Some deciduous teeth and some secondary teeth are called
A
Mixed dentition
10
Q
Most common teeth missing with partial anodontia
A
3rd molars, 2nd premolars, maxillary lateral incisors
11
Q
Supernumerary teeth refers to
A
Hyperdontia
12
Q
Most common supernumerary tooth
A
Mesiodens
13
Q
What is Dentition?
A
Refers to the arrangement of teeth
14
Q
Maxillary and Mandibular arches corresponds to ____ bones and ____ bones
A
Maxillae bones and Mandible bones
15
Q
Maxillary teeth are in the mandible. T/F
A
False
16
Q
There are _____ teeth in the permanent dentition and ____ teeth in the primary
A
32 permanent ; 20 primary
17
Q
Permanent dentition has ___ incisors
A
8
18
Q
Primary dentition has ____ molars
A
8
19
Q
What is the order used to identify a tooth?
Use these words: arch, dentition, quadrant, tooth name
A
Dentition –> Arch –> Quadrant –> Tooth Name
20
Q
What are the names of the teeth located in the front of the mouths are called
A
Incisors and canines
21
Q
Each quadrant in a permanent dentition has ___ teeth
A
8
22
Q
Primary dentition has ___ premolars per arch
A
0
23
Q
Succedaneous teeth includes:
A
Permanent incisors, canines, premolars
24
Q
Nonsuccedaneous teeth includes:
A
Permanent molars
25
The universal numbering system permanent dentition begins with which tooth?
Maxillary right third molar
26
The universal numbering system primary dentition begins with which tooth?
Maxillary right second molar
27
What are the baby teeth numbered on the universal numbering system?
A - T
28
In the Universal Numbering System, the maxillary permanent premolars are?
#4, #5, #12, #13
29
Using the universal numbering system, tooth #18 is the
Mandibular left 2nd molar
30
Universal numbering system: Permanent maxillary right 2nd molar
#2
31
According to the palmer notation, tooth
__
| E
corresponds to...
Lower left second deciduous molar
32
What is the palmer notation for this tooth?
E |
__|
Maxillary right 2nd molar
33
In palmer notation, what is all of the 3's called?
Canines
34
In the palmer notation system, #8 represents...
Third molars
35
The third molars have what designation under the Universal Numbering System?
#1, #16, #17, #32
36
In the Universal numbering system, what tooth does "P" represent?
Primary mandibular right central incisor
37
The tooth numbering system most used in the US is the
Universal
38
The four letters that indicate the primary first molars in the Universal Numbering system is
B, I, L, and S
39
In the universal system, tooth #3 is
Maxillary 1st Molar
40
A primary dentition arch has ___ teeth
10
41
What is the Vermillion Border?
Lip outline ; line between vermilion zone and skin
42
What is the transitional zone of red tissue between skin and mucosa of lip, body of the lip
Vermillion zone
43
Junction between the skin of the face (dry) & the mucosa of the oral cavity
Lips
44
Indentation/depression on the skin of the upper lip, at midline, from lip to nose
Philtrum
45
Corners of the mouth where upper and lower lip meet
Labial Commissures
46
Lip/groove below lower lip and above chin
Labiomental groove
47
Grooves/sulcus (laugh lines) from ala of the nose to edge of lip
Nasiolabial groove
48
Small projections in the midline of the upper lip
Tubercle of lip
49
Space between lips or cheeks and teeth or alveolar ridge if edentulous
Vestibule
50
Area surrounded by teeth or alveolar ridges to palatine tonsils
Oral cavity proper
51
What is the buccal mucosa?
Oral mucosa lining the inside of cheeks
52
Small elevation opposite to max 1st molars; contains an opening for parotid salivary gland which empties through Stenson's duct
Parotid Papilla
53
Small yellowish spots, harmless, misplaced sebaceous gland
Fordyce granules
54
White lines/ridge of raised tissue at level of occlusion extending horizontally
Linea alba
55
The band of tissue connecting center of lip to mucosa at midline in both arches
Labial frenum
56
The band of tissue connection cheeks to mucosa at premolar are in both arches
Buccal frenum
57
Base of vestibule where mucosa of cheeks and lips turn toward gingiva
Mucobuccal fold & Mucolabial fold
58
Movable mucosa lying against alveolar bone
Alveolar mucosa
59
Where alveolar mucosa becomes tightly attached to bone and gingiva begins
Mucogingival junction
60
A very thick mucosa called masticatory mucosa
Gingiva
61
Transverse elevation, ridges, wrinkles running side to side behind max anteriors
Palatine Rugae
62
What is labial mucosa?
Lines the inside of lips
63
Single bulge or pad of tissues behind max. central incisors
Incisive papillae
64
Midline ridge of tissue running ateriorposteriorly
Midpalatine raphe
65
Junction of 2 bony plates forming hard palate
Median palatine suture
66
Small fleshy projection/ hanging fold of tissue at midline on posterior end of soft palate
Uvula
67
Two folds of tissue, anterior and posterior, formed by muscles
Anterior and posterior faucial pillars
68
Lies on the sides of throat between tonsillar pillars - first line of defense
Palatine tonsils
69
Fleshy area behind last mandibular molar where mandibular alveolar ridge ends
Retromolar pad
70
Anterior midline fold of tissue attaching center of ventral surface of tongue to the floor of mouth
Lingual frenum
71
Bony growth in midline of palate/very common
Palatal Torus
72
Bony extension/area behind last maxillary molar
Maxillary tuberosity
73
Two small depressions are located on each side of posterior nasal spine
Palatine fovea
74
Fold of tissue extend posteriorly on right and left lingual frenum from caruncles
Sublingual folds
75
2 small elevations on either side of lingual frenum. Opening for 2 major salivary glands
Sublingual caruncle
76
Bony growths protruding on tongue side of mandible
Mandibular torus
77
Hard calcified tissue that covers the anatomic crown portion of the tooth
Enamel
78
Hardest tissue in the human body
Enamel
79
Hard calcified tissue making up the bulk of the tooth, light yellow, very pprous
Dentin
80
Enamel forming cells
Ameloblasts
81
Dentin forming cells
Odontoblasts
82
Tissues of the tooth:
Enamel, Dentin, Cementum, and Pulp
83
What are the 2 main parts of each tooth?
Crown and Root
84
The cervical line of a tooth is
CEJ
85
The area where dentin meets enamel is
DEJ
86
The area where dentin meets the cementum is
DCJ
87
Inorganic composition of tissue (Hydroxyapatine main component) makes up
96% of enamel, 70% of dentin, 50% cementum
88
Imaginary line the divides the body into right and left halves
Middle line / Midsagital plane or line
89
The anterior teeth includes
Central incisors, Lateral incisors, canines
90
Clinical crown is?
The visible part of the tooth from gingival crest to occlusal surface
91
Anatomic crown is?
The entire crown from occlusal surface to CEJ
92
Split of root of the tooth in 2 segments
Bifurcation
93
Split of the root of the tooth into 3 segments
Trifurcation
94
Anatomical root is?
Part of the tooth from the apex to CEJ
95
Area of the root between the furcation and the CEJ?
Root trunk
96
Apex is ?
Terminal end of the root
97
Alveolar process is?
Process of the maxillae and mandible, holds the roots in the jaw
98
Periodontal ligament
Attaches the tooth to the alveolar process
99
Extension of the pulp in a coronal direction
Pulp horn
100
Pulp chamber
Space occupied by the coronal pulp
101
Functions of dentin
Protect and insulate the pulp, ability to repari
102
Types of dentin
Primary, Secondary, Tertiary
103
Reparative dentin
Dentin formed in response to local trauma
104
Highly mineralized dentin, elderly, tubules empty of fluid and calcified
Sclerotic dentin
105
Accellular cementum
Does not have cellular components
106
Cellular cementum Vs Acellular cementum
Cellular: Apical 1/3
Acellular: The other 2./3
107
Cells the line the periphery of the pulp
Odontoblasts
108
Mechanism of anchorage of the tooth to bone that protects and supports the teeth
Cementum
109
Ability to add to itself throughout life is a characteristic of
Dentin
110
Upper teeth are in the
Maxillae
