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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
Q

Federation dentaire notation system

A

Quadrant + palmer notation;
UR = 1, UL = 2, LL = 3, LR = 4

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26
Q

Labial surface

A

Surface towards the lips
*used for anterior teeth

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27
Q

Palatal surface

A

Surface towards the palate
*used on the maxilla

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28
Q

Palatal vs lingual

A

Palatal = maxillary
lingual = mandibular

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29
Q

List the order of maxillary eruption:

A

1st molar, central incisor, lateral incisor, 1st premolar, 2nd premolar, canine, 2nd molar

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30
Q

List the order of mandibular eruption:

A

1st molar, central incisor, lateral incisor, canine, 1st premolar, 2nd premolar, 2nd molar

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31
Q

When do 3rd molars usually erupt?

A

Age 17-21

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32
Q

What is the portion of the tooth embedded in the bone?

A

Root

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33
Q

What is the root covered in?

A

Cementum

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34
Q

What does the root end with?

A

Apical foramen

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35
Q

What is the portion of the tooth projecting out of the gum into the oral cavity?

A

Crown

36
Q

What is the crown of the tooth covered in?

A

Enamel

37
Q

Middle layer of the tooth that forms the majority of the tooth structure

A

Dentin

38
Q

Innermost layer of both the crown and root that consists of blood vessels + nerve

A

Pulp

39
Q

Which structure provides the tooth with nutrients and the sensory supply?

A

Pulp

40
Q

What is the junction where cementum meets enamel?

A

Cemento enamel junction (CEJ)

41
Q

Which arch has trifurcations (3 roots)?

A

Maxillary

42
Q

Which arch has bifurcations (2 roots)?

A

Mandibular

43
Q

What makes up the pulp cavity?

A

Pulp chambers and pulp canals

44
Q

What are the tooth divisions of the posterior crown?

A

Occlusal, middle, and cervical

45
Q

What are the tooth divisions of the anterior crown?

A

Incisal, middle, cervical

46
Q

What are the tooth divisions of the tooth root?

A

Cervical, middle, apical

47
Q

Formed by the junction of 3 surfaces (occlusal, lingual, distal)

A

Point angle

48
Q

What are contact areas essential for?

A

Stabilizing the dental arches and protecting gingival tissue

49
Q

Interproximal space vs interproximal contact:

A

Interproximal contact is where the two teeth touch, the space is right before that

50
Q

What is interproximal space filled with?

A

Gingival papillae (tissue)

51
Q

Spaces formed by tooth curvatures (basically the space between edges of touching teeth)

A

Embrasure

52
Q

What is the function of an embrasure?

A

Provides a spillway for food during mastication and prevents food from being forced through the contact area

53
Q

The greatest amount of curve or bulge on a tooth

A

Height of contour

54
Q

Rounded elevation on the lingual surface of anterior teeth

A

Cingulum

55
Q

Rounded, pointed elevation on the occlusal surface of the tooth

A

Cusp

56
Q

Define mamelons:

A

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
Q

Small elevation on the tooth surface due to excessive enamel formation

A

Tubercle

58
Q

Do tubercles have dentin and pulp?

A

No, tubercles are enamel only

59
Q

What are triangular ridges?

A

They descend from cusp tips to the central part of the occlusal surface

60
Q

What is a transverse ridge?

A

Where buccal and lingual triangular ridges meet

61
Q

Which teeth have oblique ridges?

A

Only maxillary molars

62
Q

Elevation that extends in a mesial or distal direction from a cusp tip

A

Cusp ridge

63
Q

Elevation that forms between mesial and distal margins where teeth touch

A

Marginal ridge

64
Q

Rounded irregular depressions on the occlusal posterior or lingual anterior teeth

A

Fossa

65
Q

Small pinpoint depressions at the junction of 2 or more grooves or the terminal point of one main groove

A

Pits

66
Q

Linear depression on the occlusal surface that has a groove

A

Sulcus

67
Q

Line formed when lobes and ridges merge during the tooth development

A

Groove

68
Q

Line between the primary parts of the crown

A

Developmental groove

69
Q

Less distinct groove that does not mark the junction of the primary parts

A

Supplemental groove

70
Q

Which 4 major structures form the periodontium?

A

Gingiva, periodontal ligaments, cementum, alveolar bone

71
Q

Which is the only structure of the periodontium that is visible clinically in healthy conditions?

A

Gingiva

72
Q

Surrounds the cervical area of the tooth. Does not attach to the tooth, Knife edge shape, smooth and pink:

A

Free gingiva

73
Q

Continuous with free gingiva, firmly attached to the underlying bone, stippled texture, width can vary from 1mm to 9mm

A

Attached gingiva

74
Q

The space between the tooth and the free gingiva

A

Gingival sulcus

75
Q

Network of fibers surrounding the root of the tooth and attaches the cementum to the alveolar bone.
Cushions the tooth to occlusal forces

A

Periodontal ligament (PDL)

76
Q

Alveolar bone

A

Portion of maxilla and mandible that
support the roots of the teeth

77
Q

Is interdental papillae more pointy in the anterior or the posterior?

A

Anterior

78
Q

Alveolar mucosa

A

Lining located apical to the attached gingiva; smooth, shiny, and thin; delicate and loosely attached to the underlying bone

79
Q

Alveolar process

A

The portion of the jaw serving as support for the tooth

80
Q

Free gingival groove

A

The line marking the connecting area between the free and attached gingiva

81
Q

Mucogingival junction

A

Area where attached gingiva turns to the alveolar mucosa

82
Q

Frenum

A

Attaches the lips and the cheeks to the gingiva and the underlying bone

83
Q

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

A. Alveolar process

84
Q

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
A

D. Proximal

85
Q

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
A

B. G

DA and Occlusion (2 decks)

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