Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Dental Anatomy > Unit 1 - The Tooth > Flashcards

Unit 1 - The Tooth Flashcards

1
Q

Outermost tissue of the tooth

A

Enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Makes up the bulk of the tooth

A

Dentin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Dentin forming cells

A

Odontoblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Made up by pulp chamber and root canal

A

Pulp cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The space in the center of the crown of a tooth occupied by the major portion of the dental pulp, mainly coronal pulp

A

Pulp chamber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Extension of pulp tissue into a thin point of the pulp chamber in the tooth crown

A

Pulp horns

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The portion of the pulp located in the crown portion of the tooth

A

Coronal pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Pulp located in the root area of tooth

A

Radicular pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Tissues of the tooth

A

Enamel, Dentin, Cementum, and Pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Hard tissues of the tooth

A

Enamel, Dentin, Cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Soft tissue of the tooth

A

Pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Tissue inside tooth consisting of blood vessels and nerve

A

Pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Hard tissue of the tooth that covers the root of the tooth

A

Cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The junction between dentin and enamel

A

Dentinoenamel Junction (DEJ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The junction between dentin and cementum

A

Dentinocemental Junction (DCJ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hard calcified tissue that covers the anatomic crown portion of the tooth. It surrounds the dentin

A

Enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Hardest tissue in the human body

A

Enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A

Dentin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Enamel forming cells

A

Ameloblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Root portion of pulp cavity; contains radicular pulp

A

Pulp canal (Root Canal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The junction line between the enamel layer and the cementum layer of the tooth

A

Cementoenamel Junction (CEJ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The identifiable line around the external surface of a tooth where the enamel and cementum meet (CEJ)

A

Cervical line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Tooth tissue with 96% inorganic composition

A

Enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Tooth tissue with 70% inorganic composition

A

Dentin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Hard tooth tissue with the capability of repair and insulates pulp
Dentin
26
Main inorganic component of enamel and dentin. It is made up by salts of calcium and phosphates
Hydroxyapatite
27
Imaginary line that divides the body into right and left halves
Midline
28
The anterior teeth includes the:
Central incisors, Lateral incisors, and Canines
29
Posterior teeth includes:
Premolars and Molars
30
Surface closest to the midline
Mesial surface
31
The surface of a tooth farthest from the midline
Distal surface
32
Upper arch is called
Maxillary arch
33
Lower arch is called
Mandibular arch
34
The lower teeth are set in the
Mandible
35
The upper teeth are set in the
Maxilla (Maxillary bone)
36
Area of a tooth adjoining a tooth (M,D)
Proximal area
37
Types of teeth:
Incisors, Canines, Premolars, Molars
38
Incisors are used for
Biting and cutting food
39
Canines are used for
Cutting and tearing food
40
Premolars are used for
Grasping, tearing, and pulverizing food
41
Molars are used for
Chewing and grinding up food
42
The act of chewing or grinding
Mastication
43
The act of crushing into small pieces
Communition
44
Functions of teeth includes:
Protecting the oral cavity, aiding the digestive system, functioning in communication, esthetics
45
Parts of a tooth
Crown and Root
46
Crown is covered with ____?
Enamel
47
Root is covered with ____?
Cementum
48
CEJ is also called the _____
Cervical line
49
Neck of the tooth, where the crown and root meet
Cervix of tooth
50
Portion of the tooth that is covered with enamel. From Occlusal surface to CEJ ; always the same
Anatomic crown
51
The portion of the tooth that is visible in the oral cavity; above the gingiva
Clinical crown
52
Portion of the tooth covered with cementum; always the same ; CEJ to Apex
Anatomical root
53
Part of the tooth embedded in the gingiva and socket
Clinical root
54
Root length divided by crown length
Root to crown ratio
55
Movement of a tooth through the surrounding tissues into the oral cavity
Eruption
56
Is the tooth of the tooth fully formed at eruption?
No
57
Roots can be: a)Single B)Bifurcated C)Trifurcated D)All
Single, Bifurcated, Trifurcated
58
Roots divided into two segments are:
Bifurcation (Bifurcated roots)
59
The area between the roots of multicoated teeth
Furcal region
60
The terminal end of a root
Apex
61
The root is supported in the dental arch by...
The bony process of the jaw called Alveolar Bone or Alveolar Process of the maxilla and mandible
62
Single rooted teeth includes:
Incisors, Canines, & Premolars EXCEPT permanent maxillary 1st premolars
63
Bifurcated teeth includes:
Maxillary 1st premolars and mandibular molars
64
Trifurcated teeth includes:
Maxillary molars
65
Longest tooth in the mouth
Maxillary canine
66
Longest root of any tooth
Maxillary Canines (Tooth #6, #11)
67
Longest mandibular root
Mandibular canine
68
Dividing point of a multi-rooted tooth; area where roots split
Furcation
69
Concavity at the root trunk extending from Furcation towards CEJ
Furrow of the tooth
70
The hole at the tip of the root where nerves and blood vessels enter the tooth
Apical foramen
71
Portion of the maxillary and mandibular bones that support the teeth or roots of the teeth
Alveolar process
72
Bony socket in which the tooth fits
Alveolus
73
The color of the enamel varies with ____
Thickness and mineralization
74
Microscopic canals that run from the pulp to the DEJ of the crown and CDJ of the root
Dentinal tubules
75
Dentin's chief inorganic component
Hydroxyapatite
76
Dentin's chief organic component
Collagen
77
Dentinal tubules contains...
Fluid and protoplasmic extensions of the odontoblasts process
78
Is dentin a living tissue?
Yes
79
Is enamel a living tissue?
No
80
Is the pulp a living tissue?
Yes
81
Is the cementum a living tissue?
Cellular cementum - Yes Acellular cementum - No
82
Functions of dentin
Protect and insulate the pulp Ability to repair Transmit pain stimuli via dentinal fibers in the tubules
83
Types of dentin
Primary, Secondary, Tertiary
84
Dentin that forms before eruption. More mineralized than secondary dentin
Primary Dentin
85
Dentin that forms after eruption and continues at a very slow rate throughout the life of the tooth. It forms internally to primary dentin
Secondary Dentin
86
Dentin formed in response to local trauma, such as occlusal trauma or caries. Localized to the area of trauma
Reparative Dentin (Tertiary Dentin)
87
Highly mineralized dentin; elderly, tubules empty of fluid and calcified
Sclerotic Dentin
88
Empty dentinal tubules left behind after odontoblasts die. Provides a fast pathway for decay to get to pulp
Dead tracks definition
89
Apical 1/3 and furcation area of the root; thickest past at the apex; forms continuously through life
Cellular cementum
90
Located in cervical and middle 1/3 of the root ; Not cellular components ; Does not grow back
Acellular cementum
91
Enamel overlaps cementum at what percentage?
60-65%
92
Enamel and cementum meets edge to edge at what percentage?
30%
93
Enamel and cementum do not meet at what percentage?
5-10%
94
The pulp is made up of
Blood vessels and nerves that enter the pulp chamber through the apical foramen
95
Soft tissue of the tooth that contains blood vessels and nerve
Pulp
96
Functions of pulp
Formative, sensory, nutritive, defensive
97
Tooth surface closest to the inner cheek (posterior teeth)
Buccal surface
98
Tooth surface facing the lips (Anterior teeth)
Labial surface
99
Tooth surface closest to the face. Facial surfaces closest to the lips are called labial surfaces, and facial surfaces closest to the inner cheek are called buccal surfaces. Therefore, the tern facial can be substituted for labial and buccal, and vice versa
Facial surface
100
Chewing surface of posterior teeth
Occlusal surface
101
Biting surface of anterior teeth
Incisal surface

Dental Anatomy (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions