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Anatomy & Physiology > Tooth Morphology > Flashcards

Tooth Morphology Flashcards

1
Q

How many teeth do adults have?

A

32

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2
Q

How many teeth does a 3-4 year old have?

A

20

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3
Q

The missing tooth in this photo of permanent dentition is:

Incisor
Canine
Premolar

A

Premolar

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4
Q

Mesial surface of central incisor
Distal surface of central incisor
Mesial surface of lateral incisor
Distal surface of lateral incisor

A

Distal surface of lateral incisor

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5
Q

Mesial surface of upper right 1st premolar
Occlusal Surface of upper right 1st molar
Distal surface of an upper left 2nd premolar
Occlusal surface of an upper left 1st premolar

A

Occlusal Surface of upper right 1st molar

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6
Q

This surface (indicated by the arrow) is:

Labial
Palatal
Mesial
Distal

A

Palatal

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7
Q

This surface (arrow) is:

Buccal
Lingual
Mesiall
Distall

A

Buccal

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8
Q

The surfaces indicated by the yellow arrows are:

Labial
Lingual
Mesial
Distal

A

Distal

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9
Q

What is the name of the bulge or prominence of enamel found on the cervical third of the palatal surfaces of all anterior teeth?

A

Cingulum

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10
Q

What is the name of the elevations of enamel which form the mesial or distal margin of the lingual surface of an anterior tooth or the occlusal surface of a posterior tooth?

A

Marginal ridges

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11
Q

What is the FDI notation for the Upper Left Second Premolar

A

25

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12
Q

FDI Notation?

A

13

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13
Q

Which one is an Upper Canine?

A

A

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14
Q
A

A: Distal
B: palatal/ Lingual
C:Buccal
D: Mesial

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15
Q
A

A: labial
B: lingual
C: distal
D:Mesial

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16
Q

FDI Notation?

A

43

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17
Q

FDI Notation?

A

23

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18
Q

The tooth shown in this slide is:
41
31
11
21

A

11

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19
Q

The point A is

The mesio-incisal angle
The disto-incisal angle
The mesial marginal ridge
The distal marginal ridge

A

The disto-incisal angle

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20
Q

The lingual surface has two pronounced marginal ridges.
Sometimes, where the ridges meet at the cervix, they enclose a depression or fossa which is subjected to caries.

11
12
31
42

A

12

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21
Q

This surface (arrow) is:

Mesial surface of central incisor
Distal surface of central incisor
Mesial surface of lateral incisor
Distal suntace or lateral incisor

A

Distal surface of central incisor

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22
Q

The incisal edge of 12 needs to be resorted by composite in order to restore the correct shape of an upper lateral? Which one is the appropriate restoration here?

1
2

A

2

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23
Q

The crown appears like fan-shaped. The mesio-incisal angle is sharp and the disto-incisal angle rounded

Upper central
Upper lateral
Lower central
Lower lateral

A

Lower lateral

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24
Q

Which one of these upper central incisors belong to a young individual?
1
2
3
4
5

A

5

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25
Q

The tooth A is a
41
42

A

42

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26
Q

This is a distal view of :

maxillary incisor
mandibular incisor

A

mandibular incisor

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27
Q

Tooth (a) is:

11
12
32
42

A

42

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28
Q

In Palmer notation system, this symbol indicates:

Upper right first molar
Lower right first molar

A

Lower right first molar

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29
Q

In the Universal notation system, the tooth 16 indicates:

Lower right first molar
Upper right first molar
Upper left third molar
Upper right third molar

A

Upper right first molar

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30
Q

When comparing upper and lower incisors:

Uppers have roughly rectangular labial surface
Uppers have triangular or fan-shaped labial surface
Distal rounding-off is sometimes very marked in the lower central incisor

A

Uppers have roughly rectangular labial surface

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31
Q

The tooth shown in this slide is:
33
43

A

43

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32
Q

The tooth shown in this slide is:

13
23
33
43

A

13

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33
Q

The tooth shown in this slide is:

13
23
33
43

A

13

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34
Q

The tooth shown in this slide is:

13
23
33
43

A

43

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35
Q

Which crown would fit this prepared upper canine with the correct tooth morphology?
A
B

A

B

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36
Q

Which of the following teeth has its crown set at an angle to root, producing convex labial profile from cusp to apex

12
13
33
31

A

33

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37
Q

Name these teeth using the FDI system

A

A 48
C 47
E 48
B 38
D 37
F 36

38
Q
A

B: oblique ridges
C: disto-palatal cusp
E: Mesial Marginal Ridge
A: a cusp/ tubercle of carabelli

39
Q
A

26

40
Q
A

17

41
Q
A

16

42
Q
A

16

43
Q
A

17

44
Q
A

27

45
Q
A

A:
B:
C: distal cusp

46
Q
A

47

47
Q
A

17

48
Q
A

46

49
Q
A

36

50
Q
A

16

51
Q
A

27

52
Q
A

47

53
Q
A

26

54
Q
A

27

55
Q
A

46

56
Q
A

36

57
Q
A

37

58
Q
A

27

59
Q

In this photo, the oblique ridge is located in which area:

A

3

60
Q

The cusps being restored in this tooth are:
Palatal cusps of 16
Palatal cusps of 27
Lingual cusps of 36
Lingual cusps of 37

A

Lingual cusps of 36

61
Q

The arrow in this photo indicates:

Distal area of 16
Mesial area of 27
Mesial area 37
Distal area of 46

A

Distal area of 46

62
Q

This cavity is prepared on:
Distal area of an upper 6
Mesial area of an upper 6
Mesial area of a lower 7
Distal area of a lower 6

A

Mesial area of an upper 6

63
Q

Occlusal caries appears on which tooth in this photo:

A

47

64
Q

A tubercle of Carabelli:

Found on all upper molars
Found on about 60% of maxillary second permanent molars
May present on the palatal surface of the mesio-palatal cusp of upper 6
May present on the palatal surface of the disto-palatal cusp of upper 6

A

May present on the palatal surface of the mesio-palatal cusp of upper 6

65
Q

In which tooth the buccal surface usually has a pit which is at increased risk of caries?

16
27
37
46

A

46

66
Q

Which anatomical feature on the restored tooth have been re-created with composite

Tubercle of Carabelli
Oblique Ridge
Mesial Marginal Ridge
Distal Marginal Ridge

A

Mesial Marginal Ridge

67
Q

What are these anatomical features called?

Marginal ridges
Pits and Fissures
Cingulum
Mamelons

A

Pits and Fissures

68
Q

Which cusp on the restored tooth have been re-created with composite (arrow)?

disto-palatal cusp
mesial Marginal Ridge
mesio-palatal cusp
mesio-buccal cusp

A

mesio-buccal cusp

69
Q

Identify which feature on the restored tooth have been re-created with composite (arrow)?

Tubercle of Carabelli
Marginal ridges
Distal cusp
Oblique Ridge

A

Tubercle of Carabelli

70
Q

Where dose A tubercle of Carabelli present?

A

Present on the palatal surface of the mesio-palatal cusp. Found on about 60% of maxillary first permanent molars

71
Q

The tooth shown here is
14
24
15
25

A

14

72
Q

This premolar is
14
24
15
25

A

25

73
Q

This surface is:

Mesial surface of 34
Distal surface of 45
Mesial surface of 14
Distal surface of 25

A

Mesial surface of 14

74
Q

Side B is:
Mesial side of lower 4
Distal side of lower 4
Mesial side of lower 5
Distal side of lower 5

A

Distal side of lower 4

75
Q

This tooth is:

14
25
44
35

A

44

76
Q

This tooth is:

34
35
44
45

A

35

77
Q

The lingual surface of this tooth has two pronounced marginal ridges. Sometimes, where the ridges meet at the cervix, they enclose a depression or fossa:

11
12
13
16

A

12

78
Q

During lateral movement of the jaw which tooth acts as a guidepost for its antagonist?
11
12
13
14

A

13

79
Q

Which tooth has its mesial contact area located more incisally than its distal contact area?

13
16
25
37

A

13

80
Q

The crown appears like fan-shaped. The mesio-incisal angle is sharp and the disto-incisal angle rounded.

11
12
33
32

A

32

81
Q

The mesial border of this tooth (mesial cusp slope) is shorter and less steeply inclined than the distal border.

11
12
13
32

A

13

82
Q

In which tooth might a tubercle be present on one of its cusps.

35
16
46
47

A

16

83
Q

The buccal surface of this tooth usually has a pit which is at increased risk of caries.

35
34
46
12

A

46

84
Q

Ignoring this area during restorative work might result in improper contact relationship with the distal proximal surface of the adjacent tooth. overhang can occur:

Tubercle of Carabelli
Cingulum
Canine fossa
Oblique ridge

A

Canine fossa

85
Q

The mesial surface of which tooth is more deeply grooved than the distal surface and shows concavity in the cervical region?

13
14
34
35

A

14

86
Q

In which tooth does a small groove run from the mesial pit on to the mesio-lingual surface?

upper 4
lower 4
upper 5
lower 5

A

Lower 4

87
Q

Which of the following teeth has the mesial marginal ridge more cervical than the distal marginal ridge?

15
16
24
44

A

24

88
Q

Which tooth shows marked mesial displacement of the lingual cusp?

Lower 4
lower 5
upper 4
upper 5

A

upper 4

89
Q

Which tooth has a mesial contact area which takes the form of a smaller semicircular arc and is buccally pushed compared with a broad distal contact area?

Lower 4
Lower 5
Lower 6
Lower 7

A

Lower 4

90
Q

Which root has its mesial root usually curved, grooved and broader than the distal root?

upper 4
upper 5
upper 6
lower 7

A

lower 7

91
Q

The occlusal surface of which tooth has a sharp fissure running mesio-distally which dose not reach the distal margin but often extends across the mesial marginal ridge on to the mesial surface?

14
25
13
35

A

14

Anatomy & Physiology (5 decks)

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