Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DENT-D530 Tooth Morphology > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

At what age do primary teeth emerge from the oral cavity?

A

8 months (6-12)

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

What are the first primary teeth that emerge?

A

Mandibular central incisors

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

What are the last primary teeth to emerge and when do they usually emerge?

A

Maxillary second molars emerge last at approx. 28 months

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

When should the first permanent teeth begin to emerge?

A

At 6 years old

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

What are the first permanent teeth to emerge and start the period known as “mixed dentition”?

A

Mandibular first molars

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

How long does mixed dentition last?

A

6-12 years of age (6 yrs.)

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

What marks the start of “Permanent dentition”?

A

The second molars begin to erupt and the primary molars are being replaced by the permanent premolars at approx. 12 years old

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

When is eruption of the permanent dentition (except for third molars) finished?

A

Usually at the age of 14 - 15 years old

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

When will third molars usually erupt?

A

Age 18 - 25

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

Clinical crown

A

Part of the tooth that can be seen

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

Clinical root

A

Part of the tooth that is covered by the gingiva

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

Anatomical crown

A

Part of the tooth that is covered by enamel

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

Anatomical root

A

Part of the tooth that is covered with the cementum

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

CEJ

A

Cementoenamel junction, which is the area marked by the cervical line, where the cementum and the enamel meet

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

Apex of the root

A

tip of the root

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

Apical foramen

A

opening at the root apex

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

Pulp horn

A

The projections in the roof of the pulp chamber that correspond to the major cusps

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

Pulp chamber

A

crown portion of a tooth that contains the pulp tissues

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

Root canal

A

The root portion of the tooth that contains the pulp tissue

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

Furcation

A

The area of the multi-rooted tooth where the root divides

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

Root trunk

A

The area of the root between the CEJ and the furcation

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

Alveolar process

A

The portion of the jaw that serves to support the tooth

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

Alveolus

A

The bone of the tooth socket

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

Radicular

A

Relating to the root of the tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Coronal

A

Relating to the crown of the tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What are the 3 horizontal sections of the crown of a tooth?

A

Incisal/Occlusal, Middle, and Cervical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What are the 3 horizontal sections of the root of a tooth?

A

Cervical, middle, and apical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is a lobe?

A

One of the primary sections of formation in the development of the crown. Includes cusps, cingulum, and mamelons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Tubercle

A

An elevation on the crown produced by an extra formation of enamel. Usually only used when there is a deviation from the typical form.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Embrasures

A

Spillways that are found between the two adjacent teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Incisal ridge

A

The portion of the crown which makes up the complete incisal portion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Incisal edge

A

The angle formed by the merging of the linguo-incisal surface and the labial surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What tooth is widest mesiodistally of the anterior teeth?

A

Maxillary central incisors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What shape is the root of the maxillary central incisors?

A

cone-shaped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Is the incisal dip of the maxillary central incisor more pronounced on the mesial or distal side?

A

The mesial side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Which direction does the root of the maxillary lateral incisor usually point?

A

Distally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Where is the mesial contact of the maxillary lateral incisor?

A

At the junction of the incisal and middle 1/3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Where is the distal contact of the maxillary lateral incisor?

A

Middle 1/3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

The root of the maxillary central incisor is larger than the crown by what factor?

A

1.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What is the deep developmental groove that sometimes extends onto the root of the maxillary lateral incisor?

A

Palato-gingival groove or palato-radicular groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

In the maxillary central incisor, how does the labio-lingual dimension compare to the mesiodistal dimension?

A

The mesiodistal dimension is larger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

In the maxillary lateral incisor, how does the labio-lingual dimension compare to the mesiodistal dimension?

A

They are equal

43
Q

At what angle does the maxillary central incisor lie to the mid-sagittal plane of the face?

A

2 degrees

44
Q

At what angle does the maxillary lateral incisor lie to the mid-sagittal plane of the face?

A

7 degrees

45
Q

How do the mandibular incisors compare mesiodistally to the other teeth?

A

They are smaller

46
Q

Which is larger, the mandibular central incisors, or the mandibular lateral incisors?

A

The mandibular central incisors

47
Q

Where are the contacts located on the mandibular incisors?

A

Near the incisal edges

48
Q

Where is the height of contour of the maxillary central incisors?

A

Mesial height of contour: Incisal 1/3

Distal height of contour: Junction of the incisal and middle 1/3

49
Q

Which direction does the root of the mandibular central incisors usually point?

A

Distally

50
Q

How does the labiolingual dimension compare to the mesiodistal dimension in the mandibular central incisors?

A

The labiolingual dimension is greater

51
Q

What is the function of the canines?

A

To tear food

52
Q

Why are the canines so important?

A

The canines are important in maintaining the canine eminence, youthful look, and occlusion by protecting the posterior teeth

53
Q

Why is are the canine teeth usually the last teeth to be lost?

A

They have the longest root

54
Q

In the maxillary canines, which is shorter in length, the mesial cusp ridge, or the distal cusp ridge?

A

The mesial cusp ridge is shorter

55
Q

How do the maxillary canines compare to the maxillary central incisor mesiodistally?

A

They are narrower

56
Q

How do the maxillary canines compare to the maxillary central incisor incisocervically?

A

They are equal

57
Q

Where is the mesial contact of the maxillary canines?

A

The junction of the incisal and middle 1/3

58
Q

Where is the distal contact of the maxillary canine?

A

At the middle 1/3

59
Q

Where is the cusp tip of the maxillary canine in relation to the bisector?

A

It is more facial

60
Q

In the maxillary canine, where is the root outline straight?

A

In the cervical 2/3

61
Q

Is the incisal curvature of the maxillary canines more pronounced on the mesial or distal side?

A

The mesial side

62
Q

In the maxillary canines, which dimension is greater, the faciolingual or mesiodistal?

A

The faciolingual dimension is greater

63
Q

How does the mesiodistal dimension of the mandibular canines compare to the mandibular incisors?

A

The mandibular canines are wider mesiodistally

64
Q

Which is shorter in mandibular canines, the mesial or distal cusp ridge?

A

The mesial cusp ridge

65
Q

In the mandibular canines, where is the mesial contact and the distal contact?

A

Mesial contact: Incisal 1/3

Distal contact: Middle 1/3

66
Q

Can the root of the mandibular canine be bifurcated?

A

Yes

67
Q

Which direction does the root of the mandibular canine curve?

A

Mesially

68
Q

Where does the cusp tip of the mandibular canines lie as compared to the bisector?

A

Lingually

69
Q

In normal class 1 occlusion, where do the mandibular canines in relation to the maxillary canines?

A

Lingually

70
Q

What type of teeth may not reflect permanence?

A

Succedaneous teeth

71
Q

Function of Incisors

A

To cut and shear food

72
Q

Where on the crown of the maxillary central incisors is the tooth convex?

A

Cervical 1/3

73
Q

Where is the crown of the maxillary central incisors flat?

A

the middle and incisal 1/3

74
Q

In the maxillary lateral incisor, which marginal ridge is narrower, the mesial or distal?

A

Mesial marginal ridge

75
Q

How does the lingual fossa of the maxillary lateral incisor compare to that of the maxillary central incisor?

A

It is more concave

76
Q

How does the root shape of the maxillary lateral incisor compare to the maxillary central incisor?

A

It is more pointed

77
Q

What is the shape of the proximal outline of the maxillary central and lateral incisors?

A

Triangular

78
Q

Which teeth are narrower mesiodistally, mandibular central incisors or mandibular lateral incisors?

A

Mandibular central incisors

79
Q

How does the labial surface of the mandibular central incisors compare to all the other teeth?

A

It is smooth, flat, and has the least developmental anatomy

80
Q

Where is the facial surface of the mandibular central incisors flat?

A

The incisal 2/3

81
Q

Where does the incisal ridge of the mandibular central incisor lie as compared to the bisector?

A

On or lingual to the bisector

82
Q

Do the mandibular central incisors have a cingulum?

A

No

83
Q

How does the shape of the distoincisal angle compare to the mesioincisal angle in the mandibular lateral incisors?

A

It is more rounded

84
Q

In the maxillary canines, what separates the mesial and distal fossae?

A

The lingual ridge

85
Q

Does the maxillary canine have a small, and poor, or large, and well developed cingulum?

A

Large and well developed

86
Q

How does the form of the mandibular canines compare to the maxillary canines?

A

similar but smaller in all dimensions

87
Q

How does the cingulum of the mandibular canine compare to the maxillary canine?

A

It is less developed

88
Q

Which has more convexity of the crown, the mandibular canines or maxillary canines?

A

Maxillary canines

89
Q

Where can you find labial wear facets?

A

On the mandibular canines

90
Q

Which teeth would most likely have lingual wear facets?

A

Maxillary canines

91
Q

When do the deciduous teeth begin to form prenatally?

A

Approx. 14 weeks in utero

92
Q

Humans are considered what type of phyodont?

A

Diphyodont

93
Q

What is the correct number formula for the permanent mammalian teeth quadrant?

A

I2 C1 P2 M3

94
Q 
All of the following are considered to be hard tissues except:
A) Dentin
B) Enamel
C) Pulp
D) Cementum
A

C) Pulp

95
Q

What part of the gingiva sits between the cervical or gingival embrasures?

A

Interdental papilla (IDP)

96
Q

What are the two purposes of embrasures?

A
  1. Provides a spillway for food

2. Prevents food from being forced into the contact areas

97
Q

What is a line angle?

A

The junction of two surfaces of a tooth

98
Q

What is a point angle?

A

The junction of three surfaces of a tooth

99
Q

How many line angles are present in the anterior teeth?

A

6

100
Q

How many line angles are present in the posterior teeth?

A

8

101
Q

How many point angles are present in all teeth?

A

4

102
Q

Which tooth has the most developed cingulum?

A

The maxillary canines

103
Q

What tooth can you find a distal buldge?

A

Maxillary canine

DENT-D530 Tooth Morphology (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions