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DA and Occlusion > Quiz 1: Terminology > Flashcards

Quiz 1: Terminology Flashcards

1
Q

Heterodont

A

Teeth of different types

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2
Q

Homodont

A

Teeth of one type

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3
Q

Monophydont

A

Having only permanent teeth without deciduous dentition

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4
Q

Diphyodont

A

Two successive sets of teeth; first deciduous (primary) and then the permanent

*most mammals are diphyodont

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5
Q

Polyphyodont

A

Teeth are continuously shed and replaced

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6
Q

How many teeth are usually in primary dentition?

A

20

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7
Q

Primary dentition pneumonic:

A

A-J on top K-T on bottom

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8
Q

Succedaneous teeth are:

A

Permanent

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9
Q

When does mixed dentition begin?

A

Age 6

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10
Q

When does the first permanent molar erupt?

A

Age 6

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11
Q

When does the mixed dentition phase end?

A

With the exfoliation of the last primary tooth; usually around age 12

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12
Q

Which primary tooth is usually the last to fall out?

A

Maxillary canines

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13
Q

Define exfoliation:

A

Normal loss of primary teeth after loss of their root structure

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14
Q

Breakdown or destruction, and subsequent loss, of the root structure of a tooth

A

Resorption

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15
Q

Deciduous teeth are:

A

Primary teeth

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16
Q

Are canines considered a posterior or anterior tooth?

A

Anterior

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17
Q

What is the function of central and lateral incisors?

A

Cut food with incisal edge; lingual surface helps guide food to the back of the mouth

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18
Q

What is the function of canines?

A

Holding, grasping, and tearing food; guide food to best biting position

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19
Q

Which are the longest teeth in the mouth?

A

Canines

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20
Q

Which teeth are the most anchored and stable due to having the longest roots?

A

Canines

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21
Q

What is the function of the premolars?

A

Most useful for chewing; buccal cusp holds food while lingual cusp grinds food

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22
Q

What is the function of the molars?

A

Grinding food

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23
Q

Palmer notation

A

This is what we used in ortho

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24
Q

Universal notation system

A

1-32

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25
Federation dentaire notation system
Quadrant + palmer notation; UR = 1, UL = 2, LL = 3, LR = 4
26
Labial surface
Surface towards the lips *used for anterior teeth
27
Palatal surface
Surface towards the palate *used on the maxilla
28
Palatal vs lingual
Palatal = maxillary lingual = mandibular
29
List the order of maxillary eruption:
1st molar, central incisor, lateral incisor, 1st premolar, 2nd premolar, canine, 2nd molar
30
List the order of mandibular eruption:
1st molar, central incisor, lateral incisor, canine, 1st premolar, 2nd premolar, 2nd molar
31
When do 3rd molars usually erupt?
Age 17-21
32
What is the portion of the tooth embedded in the bone?
Root
33
What is the root covered in?
Cementum
34
What does the root end with?
Apical foramen
35
What is the portion of the tooth projecting out of the gum into the oral cavity?
Crown
36
What is the crown of the tooth covered in?
Enamel
37
Middle layer of the tooth that forms the majority of the tooth structure
Dentin
38
Innermost layer of both the crown and root that consists of blood vessels + nerve
Pulp
39
Which structure provides the tooth with nutrients and the sensory supply?
Pulp
40
What is the junction where cementum meets enamel?
Cemento enamel junction (CEJ)
41
Which arch has trifurcations (3 roots)?
Maxillary
42
Which arch has bifurcations (2 roots)?
Mandibular
43
What makes up the pulp cavity?
Pulp chambers and pulp canals
44
What are the tooth divisions of the posterior crown?
Occlusal, middle, and cervical
45
What are the tooth divisions of the anterior crown?
Incisal, middle, cervical
46
What are the tooth divisions of the tooth root?
Cervical, middle, apical
47
Formed by the junction of 3 surfaces (occlusal, lingual, distal)
Point angle
48
What are contact areas essential for?
Stabilizing the dental arches and protecting gingival tissue
49
Interproximal space vs interproximal contact:
Interproximal contact is where the two teeth touch, the space is right before that
50
What is interproximal space filled with?
Gingival papillae (tissue)
51
Spaces formed by tooth curvatures (basically the space between edges of touching teeth)
Embrasure
52
What is the function of an embrasure?
Provides a spillway for food during mastication and prevents food from being forced through the contact area
53
The greatest amount of curve or bulge on a tooth
Height of contour
54
Rounded elevation on the lingual surface of anterior teeth
Cingulum
55
Rounded, pointed elevation on the occlusal surface of the tooth
Cusp
56
Define mamelons:
Rounded prominence on the incisal edge of a newly erupted incisors; common in 6, 7, 8 y/o's and eventually gets shorter/smoother *this is what gets enameloplasty'd
57
Small elevation on the tooth surface due to excessive enamel formation
Tubercle
58
Do tubercles have dentin and pulp?
No, tubercles are enamel only
59
What are triangular ridges?
They descend from cusp tips to the central part of the occlusal surface
60
What is a transverse ridge?
Where buccal and lingual triangular ridges meet
61
Which teeth have oblique ridges?
Only maxillary molars
62
Elevation that extends in a mesial or distal direction from a cusp tip
Cusp ridge
63
Elevation that forms between mesial and distal margins where teeth touch
Marginal ridge
64
Rounded irregular depressions on the occlusal posterior or lingual anterior teeth
Fossa
65
Small pinpoint depressions at the junction of 2 or more grooves or the terminal point of one main groove
Pits
66
Linear depression on the occlusal surface that has a groove
Sulcus
67
Line formed when lobes and ridges merge during the tooth development
Groove
68
Line between the primary parts of the crown
Developmental groove
69
Less distinct groove that does not mark the junction of the primary parts
Supplemental groove
70
Which 4 major structures form the periodontium?
Gingiva, periodontal ligaments, cementum, alveolar bone
71
Which is the only structure of the periodontium that is visible clinically in healthy conditions?
Gingiva
72
Surrounds the cervical area of the tooth. Does not attach to the tooth, Knife edge shape, smooth and pink:
Free gingiva
73
Continuous with free gingiva, firmly attached to the underlying bone, stippled texture, width can vary from 1mm to 9mm
Attached gingiva
74
The space between the tooth and the free gingiva
Gingival sulcus
75
Network of fibers surrounding the root of the tooth and attaches the cementum to the alveolar bone. Cushions the tooth to occlusal forces
Periodontal ligament (PDL)
76
Alveolar bone
Portion of maxilla and mandible that support the roots of the teeth
77
Is interdental papillae more pointy in the anterior or the posterior?
Anterior
78
Alveolar mucosa
Lining located apical to the attached gingiva; smooth, shiny, and thin; delicate and loosely attached to the underlying bone
79
Alveolar process
The portion of the jaw serving as support for the tooth
80
Free gingival groove
The line marking the connecting area between the free and attached gingiva
81
Mucogingival junction
Area where attached gingiva turns to the alveolar mucosa
82
Frenum
Attaches the lips and the cheeks to the gingiva and the underlying bone
83
Which of the following represents the name of the bone of the tooth socket that firmly fixes each tooth root? * A. Alveolar process * B. Alveolous * C. Cementoenamel process * D. entinoenamel junction
A. Alveolar process
84
Which of the following terms represents the surface of a tooth that is facing towards an adjoining tooth in the same dental arch? * A. Occlusal * B. Incisal * C. Facial * D. Proximal
D. Proximal
85
The notion for the primary maxillary left lateral incisor is which of the following according to the universal system? * A. D * B. G * C. E * D. F
B. G

DA and Occlusion (2 decks)

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