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Dental Anatomy and Occlusion > Specific Teeth Features > Flashcards

Specific Teeth Features Flashcards

0
Q

Which tooth has the narrowest gingival embrasures?

A

Maxillary Central Incisors

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1
Q

Which tooth has the 2nd greatest crown length?

A

Maxillary Central Incisors

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2
Q

Which tooth is most likley to have a divided root canal?

A

Maxillary Central Incisors

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3
Q

Which tooth has the most rounded root form?

A

Maxillary Central Incisors

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4
Q

Which tooth has the greatest axial inclination?

A

Maxillary Central Incisors

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5
Q

Which teeth occludes with mandibular central and lateral incisors?

A

Maxillary Central Incisors

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6
Q

Which is the most commonly congenitally missing tooth?

A

Maxillary Lateral Incisors

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7
Q

Which is the second most variable tooth form?

A

Maxillary Lateral Incisors

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8
Q

Which tooth exhibits Dens-In-Dente most frequently?

A

Maxillary Lateral Incisors

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9
Q

Which tooth is most likley to have a palato-radicular groove?

A

Maxillary Lateral Incisors

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10
Q

Which tooth has the most concave lingual surface?

A

Maxillary Lateral Incisors

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11
Q

Which tooth is most likley to exhibit a peg lateral (maxillary or mandibular lateral incisiors)?

A

Maxillary Lateral Incisors

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12
Q

Which maxillary tooth has a cingulum located distal to the midline?

A

Maxillary Central Incisors

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13
Q

Which maxillary tooth has a cingulum oriented on the midline?

A

Maxillary Lateral Incisors and Maxillary Canines

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14
Q

Which tooth has a root tip which typically dilcerates to the distal?

A

Maxillary Lateral Incisors

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15
Q

Which tooth occludes with mandibular lateral incisors and canines?

A

Maxillary Lateral Incisors

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16
Q

Which is the longest tooth in the mouth? (Root+Crown)

A

Maxillary Canines

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17
Q

Which two teeth are least likely to be extracted?

A

Maxillary and Mandibuar Canines

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18
Q

Which tooth has a prominant labial ridge?

A

Maxillary Canines

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19
Q

On the Maxillary Canines, is the mesial or distal cusp ridge shorter?

A

Mesial is shorter

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20
Q

Which maxillary anterior tooth has an egg shaped pulp chamber?

A

Maxillary Lateral Incisor

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21
Q

Which tooth has an oval root which is flattened mesiodistally?

A

Maxillary Canines

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22
Q

Which teeth occlude with mandibular canines and first premolars?

A

Maxillary Canines

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23
Q

Which is the largest premolar?

A

Maxilary First Premolar

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24
Q

Which tooth has a prominent buccal ridge?

A

Maxilary First Premolar

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25
Q

What are the shapes of the Maxilary First Premolar occlusally? Proximally?

A

Rectangular occlusally

Trapezoidal proximally

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26
Q

Which tooth has a prominent mesial root concavity?

A

Maxilary First Premolar

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27
Q

On the Maxilary First Premolar, is the mesial or distal marginal ridge groove shorter?

A

Distal buccal cusp ridge is shorter

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28
Q

Which is the only premolar with two roots?

A

Maxilary First Premolar

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29
Q

Which teeth occlude with mandibular first and second premolars?

A

Maxilary First Premolar

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30
Q

What is the shape of the maxillary second premolar occlusally? Proximally?

A

Rectangular oclussally

Trapezoidal proximally

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31
Q

How does the shape of the occlusal table differ between maxillary first and second premolars?

A 
first= more angular and asymetrical
second= more ovoid and symetrical
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32
Q

Does the maxillary first or second premolar have more supplemental grooves?

A

Maxilary Second Premolar

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33
Q

In which maxillary premolar are the cusps of equal height?

A

Maxilary Second Premolar

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34
Q

Which teeth occlude with mandibular second premolars and first molars?

A

Maxilary Second Premolar

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35
Q

What is the largest permanent tooth?

A

Maxillary First Molar

36
Q

Which is the only tooth that is broader lingually than buccally?

A

Maxillary First Molar

37
Q

Which is the only tooth with a pronounced distal concavity at the CEJ?

A

Maxillary First Molar

38
Q

What is the shape of the Maxillary First Molar occlusally? Proximally?

A

Rhomboid occlusally

Trapezoidal proximally

39
Q

Which tooth may be associated with a Cusp of Carabelli?

A

Maxillary First Molar

40
Q

Which tooth’s roots are in closest proximity to the maxillary sinus?

A

Maxillary First Molar

41
Q

Which cusp is the Cusp of Carabelli associated with?

42
Q

What are the three roots of the Maxillary First Molar? Which is the longest? Which is shortest?

A

MB
DB- shortest
Palatal- longest

43
Q

Which tooth has roots most likely to have a concavity?

A

Maxillary First Molar

44
Q

How does the morphology of the Maxillary First Molar and Maxillary Second Molar differ?

A

The Maxillary Second Molar is smaller and more angular. It also has a longer root trunk.

45
Q

Which tooth is second more likely to have cervical enamel projections?

A

Maxillary Second Molar

46
Q

Which tooth is closest to the outlet of Stenson’s Duct?

A

Maxillary Second Molar

47
Q

What shape is the Maxillary Second Molar occlusally? Proximally?

A

Rhomboidal occlusally, or heart shaped with the DL cusp s absent
Trapezoidal proximally

48
Q

Describe the roots of the Maxillary Second Molar

A

Closer together than those of the maxillary first molar and typically turned distally

49
Q

Which molar has roots which curve toward one another like the handles of pliers? Which roots are these?

A

Maxillary First Molar, the MB and DB roots

50
Q

Which teeth have the most variable crown shape?

A

Maxillary and Mandibular Third Molars

51
Q

Which is the shortest permanent tooth?

A

Maxillary Third Molars

52
Q

Which teeth are most likley to have enamel pearls?

A

Maxillary and Mandibular Third Molars

53
Q

Describe the crown morphology of Maxillary Third Molars

A

tapers lingually
3 cusps MB, DB, lingual
DB is often absent

54
Q

Describe the root morphology of Maxillary Third Molars

A

3 roots, often fused

55
Q

Which is the smallest permanent tooth?

A

Mandibular Central Incisors

56
Q

Which tooth is most resembles its counterpart?

A

Mandibular Central Incisors, (they are extremely symmetrical in terms of placement of the cinglulum, sharpness of line angles and prominence of marginal ridges)

57
Q

Which is the only anterior tooth to occlude with only one tooth?

A

Mandibular Central Incisors (the Maxillary Central Incisor)

58
Q

Describe the crown morphology of Mandibular Central Incisors

A

The laterals are less symmetrical and slightly larger than the centrals. The mesial marginal ridge is longer than the distal and the incisal edge is twisted distolingually. The cingulum is slightly distal.

59
Q

Describe the root morphology of Mandibular Central Incisors

A

Mesial and Distal concavities giving it an hourglass shape

60
Q

Which tooth has the longest crown?

A

Mandibular Canines

61
Q

How do the Maxillary and Mandibular Canines differ?

A

The lingual ridge of the mandibular is less prominent

62
Q

Describe the crown morphology of the Mandibular Canines

A

cusp tip is toward the lngual, the mesial cusp ridge is shorter than the distal cusp ridge, the cingulum is positioned distally

63
Q

Describe the root morphology of the Mandibular Canines

A

Oval roots flattened mesiodistally with a possible mesial depression and possible bifurcation

64
Q

Which is the smallest permanent premolar?

A

Mandibular First Premolar

65
Q

What is the crown shape of the Mandibular First Premolar occlusally? Proximally?

A

Square, occlusally

Rhomboidal, proximally

66
Q

Which is the only posterior tooth with an cclusal plane tilted lingually?

A

Mandibular First Premolar

67
Q

Describe the crown morphology of Mandibular First Premolar

A

mesial marginal ridge is shorter than the distal marginal ridge, no central groove, prominent transverse ridge

68
Q

Between which two teeth is the gingival papilla the shortest?

A

Between the first and second mandibular premolars

69
Q

Which tooth can have three configurations? What are they?

A

Mandibular Second Premolar

Y, H and U

70
Q

What is the shape of the Mandibular Second Premolar occlusally? Proximally?

A

Square oclusally

rhomboidal, proximally (tilted lingually)

71
Q

How do the Mandibular First and Second Premolars differ?

A

The first premolar has a much smaller lingual cusp and the second has a much larger one giving it a more square appearance

72
Q

Describe the Y configuration. Which tooth does it apply to?

A

Three cusps, two on the lingual, central pit

Mandibular Second Premolar

73
Q

Describe the H configuration. Which tooth does it apply to?

A

Two cusps, B and L with a short central groove

Mandibular Second Premolar

74
Q

Describe the U configuration. which tooth does it apply to?

A

Two cusps, B and L with a crescent shaped central groove

Mandibular Second Premolar

75
Q

Is the root longer or shorter on the Mandibular Second Premolar compared to the First Premolar?

A

Second is longer

76
Q

Which tooth has a root closest to the mental foramen?

A

Mandibular Second Premolar

77
Q

Which is the largest mandibular tooth?

A

Mandibular First Molar

78
Q

Which tooth has two transverse ridge, three pitted fossae, two buccal grooves and a short lingual groove?

A

Mandibular First Molar

79
Q

Describe the root morphology of the Mandibular First Molar

A

Usually widely separated, mesial root broadest buccolinguallly, both roots with concavities, especially on the mesial

80
Q

Which molar is most symmetrical?

A

Mandibular Second Molar

81
Q

Which tooth is most likely to have cervical enamel projections?

A

Mandibular Second Molar

82
Q

Describe the crown shape of the Mandibular Second Molar occulsally. Proximally?

A 
Rectangular occlusally
Rhomboidal proximally (tilted lingually)
83
Q

Describe the root morphology of the Mandibular Second Molar

A

Roots are closer together than the first molar with distal inclination

84
Q

Which tooth is most likely to exibit enamel pearls?

A

Mandibular Third Molar

85
Q

Describe the root morphology of the Mandibular Third Molar

A

Roots are usually short, distally inclined, and often fused. The root trunk is often also distally inclined

86
Q

Describe the crown morphology of the Mandibular Third Molar

A

Extremely variable with an irregular groove pattern. It as a bulbous crown that is tapered distally.

87
Q

Name some features that distinguish the mesial and distal sides of maxillary canines

A

the distal half is more convex
the curvature of the cervical line is greater on the mesial
the distal cusp ridge is longer

Dental Anatomy and Occlusion (6 decks)

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