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Dental Anatomy > DE 192 : Exam 1 (The tooth, The oral cavity, Dentition) > Flashcards

DE 192 : Exam 1 (The tooth, The oral cavity, Dentition) Flashcards

1
Q

Humans are
A) Polyphyodont and heterodont
B) Diphyodont and Heterodont
C) Monodont and monophyodont
D) Heterodont and polyphyodont

A

Diphyodont and Heterodont

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2
Q

Congenitally missing teeth is referred to as

A

Anodontia

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3
Q

Anodontia can be
A) Total or partial
B) Supernumerary and hypodontia
C) Hyperdontia or hypodontia
D) Partial only

A

Total or partial

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4
Q

Partial Anodontia is also called

A

Hypodontia

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5
Q

Secondary or permanent dentition has ___ teeth

A

32 teeth

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6
Q

Primary or deciduous dentition has ____ teeth

A

20 teeth

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7
Q

One set of teeth/dentition throughout life is called

A

Monophyodont

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8
Q

Mixed dentition happens during ages

A

6-12 years

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9
Q

Some deciduous teeth and some secondary teeth are called

A

Mixed dentition

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10
Q

Most common teeth missing with partial anodontia

A

3rd molars, 2nd premolars, maxillary lateral incisors

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11
Q

Supernumerary teeth refers to

A

Hyperdontia

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12
Q

Most common supernumerary tooth

A

Mesiodens

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13
Q

What is Dentition?

A

Refers to the arrangement of teeth

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14
Q

Maxillary and Mandibular arches corresponds to ____ bones and ____ bones

A

Maxillae bones and Mandible bones

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15
Q

Maxillary teeth are in the mandible. T/F

A

False

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16
Q

There are _____ teeth in the permanent dentition and ____ teeth in the primary

A

32 permanent ; 20 primary

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17
Q

Permanent dentition has ___ incisors

A

8

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18
Q

Primary dentition has ____ molars

A

8

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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

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20
Q

What are the names of the teeth located in the front of the mouths are called

A

Incisors and canines

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21
Q

Each quadrant in a permanent dentition has ___ teeth

A

8

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22
Q

Primary dentition has ___ premolars per arch

A

0

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23
Q

Succedaneous teeth includes:

A

Permanent incisors, canines, premolars

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24
Q

Nonsuccedaneous teeth includes:

A

Permanent molars

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25
Q

The universal numbering system permanent dentition begins with which tooth?

A

Maxillary right third molar

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26
Q

The universal numbering system primary dentition begins with which tooth?

A

Maxillary right second molar

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27
Q

What are the baby teeth numbered on the universal numbering system?

A

A - T

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28
Q

In the Universal Numbering System, the maxillary permanent premolars are?

A

4, #5, #12, #13

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29
Q

Using the universal numbering system, tooth #18 is the

A

Mandibular left 2nd molar

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30
Q

Universal numbering system: Permanent maxillary right 2nd molar

A

2

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31
Q

According to the palmer notation, tooth
__
| E
corresponds to…

A

Lower left second deciduous molar

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32
Q

What is the palmer notation for this tooth?

E |
__|

A

Maxillary right 2nd molar

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33
Q

In palmer notation, what is all of the 3’s called?

A

Canines

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34
Q

In the palmer notation system, #8 represents…

A

Third molars

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35
Q

The third molars have what designation under the Universal Numbering System?

A

1, #16, #17, #32

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36
Q

In the Universal numbering system, what tooth does “P” represent?

A

Primary mandibular right central incisor

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37
Q

The tooth numbering system most used in the US is the

A

Universal

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38
Q

The four letters that indicate the primary first molars in the Universal Numbering system is

A

B, I, L, and S

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39
Q

In the universal system, tooth #3 is

A

Maxillary 1st Molar

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40
Q

A primary dentition arch has ___ teeth

A

10

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41
Q

What is the Vermillion Border?

A

Lip outline ; line between vermilion zone and skin

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42
Q

What is the transitional zone of red tissue between skin and mucosa of lip, body of the lip

A

Vermillion zone

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43
Q

Junction between the skin of the face (dry) & the mucosa of the oral cavity

A

Lips

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44
Q

Indentation/depression on the skin of the upper lip, at midline, from lip to nose

A

Philtrum

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45
Q

Corners of the mouth where upper and lower lip meet

A

Labial Commissures

46
Q

Lip/groove below lower lip and above chin

A

Labiomental groove

47
Q

Grooves/sulcus (laugh lines) from ala of the nose to edge of lip

A

Nasiolabial groove

48
Q

Small projections in the midline of the upper lip

A

Tubercle of lip

49
Q

Space between lips or cheeks and teeth or alveolar ridge if edentulous

50
Q

Area surrounded by teeth or alveolar ridges to palatine tonsils

A

Oral cavity proper

51
Q

What is the buccal mucosa?

A

Oral mucosa lining the inside of cheeks

52
Q

Small elevation opposite to max 1st molars; contains an opening for parotid salivary gland which empties through Stenson’s duct

A

Parotid Papilla

53
Q

Small yellowish spots, harmless, misplaced sebaceous gland

A

Fordyce granules

54
Q

White lines/ridge of raised tissue at level of occlusion extending horizontally

A

Linea alba

55
Q

The band of tissue connecting center of lip to mucosa at midline in both arches

A

Labial frenum

56
Q

The band of tissue connection cheeks to mucosa at premolar are in both arches

A

Buccal frenum

57
Q

Base of vestibule where mucosa of cheeks and lips turn toward gingiva

A

Mucobuccal fold & Mucolabial fold

58
Q

Movable mucosa lying against alveolar bone

A

Alveolar mucosa

59
Q

Where alveolar mucosa becomes tightly attached to bone and gingiva begins

A

Mucogingival junction

60
Q

A very thick mucosa called masticatory mucosa

61
Q

Transverse elevation, ridges, wrinkles running side to side behind max anteriors

A

Palatine Rugae

62
Q

What is labial mucosa?

A

Lines the inside of lips

63
Q

Single bulge or pad of tissues behind max. central incisors

A

Incisive papillae

64
Q

Midline ridge of tissue running ateriorposteriorly

A

Midpalatine raphe

65
Q

Junction of 2 bony plates forming hard palate

A

Median palatine suture

66
Q

Small fleshy projection/ hanging fold of tissue at midline on posterior end of soft palate

67
Q

Two folds of tissue, anterior and posterior, formed by muscles

A

Anterior and posterior faucial pillars

68
Q

Lies on the sides of throat between tonsillar pillars - first line of defense

A

Palatine tonsils

69
Q

Fleshy area behind last mandibular molar where mandibular alveolar ridge ends

A

Retromolar pad

70
Q

Anterior midline fold of tissue attaching center of ventral surface of tongue to the floor of mouth

A

Lingual frenum

71
Q

Bony growth in midline of palate/very common

A

Palatal Torus

72
Q

Bony extension/area behind last maxillary molar

A

Maxillary tuberosity

73
Q

Two small depressions are located on each side of posterior nasal spine

A

Palatine fovea

74
Q

Fold of tissue extend posteriorly on right and left lingual frenum from caruncles

A

Sublingual folds

75
Q

2 small elevations on either side of lingual frenum. Opening for 2 major salivary glands

A

Sublingual caruncle

76
Q

Bony growths protruding on tongue side of mandible

A

Mandibular torus

77
Q

Hard calcified tissue that covers the anatomic crown portion of the tooth

78
Q

Hardest tissue in the human body

79
Q

Hard calcified tissue making up the bulk of the tooth, light yellow, very pprous

80
Q

Enamel forming cells

A

Ameloblasts

81
Q

Dentin forming cells

A

Odontoblasts

82
Q

Tissues of the tooth:

A

Enamel, Dentin, Cementum, and Pulp

83
Q

What are the 2 main parts of each tooth?

A

Crown and Root

84
Q

The cervical line of a tooth is

85
Q

The area where dentin meets enamel is

86
Q

The area where dentin meets the cementum is

87
Q

Inorganic composition of tissue (Hydroxyapatine main component) makes up

A

96% of enamel, 70% of dentin, 50% cementum

88
Q

Imaginary line the divides the body into right and left halves

A

Middle line / Midsagital plane or line

89
Q

The anterior teeth includes

A

Central incisors, Lateral incisors, canines

90
Q

Clinical crown is?

A

The visible part of the tooth from gingival crest to occlusal surface

91
Q

Anatomic crown is?

A

The entire crown from occlusal surface to CEJ

92
Q

Split of root of the tooth in 2 segments

A

Bifurcation

93
Q

Split of the root of the tooth into 3 segments

A

Trifurcation

94
Q

Anatomical root is?

A

Part of the tooth from the apex to CEJ

95
Q

Area of the root between the furcation and the CEJ?

A

Root trunk

96
Q

Apex is ?

A

Terminal end of the root

97
Q

Alveolar process is?

A

Process of the maxillae and mandible, holds the roots in the jaw

98
Q

Periodontal ligament

A

Attaches the tooth to the alveolar process

99
Q

Extension of the pulp in a coronal direction

100
Q

Pulp chamber

A

Space occupied by the coronal pulp

101
Q

Functions of dentin

A

Protect and insulate the pulp, ability to repari

102
Q

Types of dentin

A

Primary, Secondary, Tertiary

103
Q

Reparative dentin

A

Dentin formed in response to local trauma

104
Q

Highly mineralized dentin, elderly, tubules empty of fluid and calcified

A

Sclerotic dentin

105
Q

Accellular cementum

A

Does not have cellular components

106
Q

Cellular cementum Vs Acellular cementum

A

Cellular: Apical 1/3
Acellular: The other 2./3

107
Q

Cells the line the periphery of the pulp

A

Odontoblasts

108
Q

Mechanism of anchorage of the tooth to bone that protects and supports the teeth

109
Q

Ability to add to itself throughout life is a characteristic of

110
Q

Upper teeth are in the

Dental Anatomy (3 decks)

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