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Dental Anatomy > Quiz #2 > Flashcards

Quiz #2 Flashcards

1
Q

Both incisors, from _________ view, display an _______ edge that is centered over the crest of curvature of the _____ and the main body of their respective roots.

A

proximal incisal CEJ

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1
Q

With respect to the facial view of the permanent maxillary canine:

  1. The overal facial crown surface is ______.
  2. There are _____ noticable developmental depressions delineating from ____ facial lobes.
  3. The ______ facial lobe is most developed of the lobes & gives rise to the _____ tip.
  4. The ______ ridge extends from the cusp tip to the ______ ridge
A
  1. Smooth
  2. 2; 3
  3. Middle; cusp
  4. Facial; cervical
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2
Q

With respect to permanent mandibular incisors:

  1. The crest of the cingulum of both incisors are offset slightly to the ______.
  2. Both incisors have inconspicuous _______ surface anatomy, especially in comparison to their maxillary counterparts.
A
  1. Distal
  2. Lingual
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2
Q

With respect to permanent mandibular incisors:

  1. The contact areas of both incisors are located on the _______ third, but the central incisor is said to exhibit less incisal ________ space than the lateral incisor.
  2. Both incisors, from a proximal view, display an incisal edge that is lingually positioned in comparison to the height of curvature of the _____ and their respective _____ apices.
A
  1. Incisal; embrasure
  2. CEJ; root
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4
Q

Which has a more curved (or pointed to the distal) root: permanent central incisor or permanent lateral incisor?

A

permanent lateral incisor

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4
Q

With respect to permanent mandibular incisors:

  1. Both roots have ______ and ______ distal root surface depressions, but the roots are rarely ________, however the lateral incisor more frequently exhibits _____ pulp canals.
  2. The incisal edge is _______ on the central incisor, while the incisal edge of the lateral incisiore exhibits a ________ twist to the distal portion.
A
  1. Mesial; distal; bifurcated; two
  2. Straight; lingual
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5
Q

With respect to the incisal view of a permanent mandibular lateral incisor:

  1. The incisal ridge will be relatively ______. However, it is not straight across the tooth ________.
  2. The incisal ridge ______ to the lingual at its distal end and is not _______ to the faciolingual bisector.
  3. The crest of the _______ lingually will be slightly more ______ to the mesiodistal bisector.
  4. The crown from the incisial view is said to look _______ or _______ on it’s axis. It is not at all symmetrical.
A
  1. Straight; mesiodistally
  2. Slants; parallel
  3. Cingulum; distal
  4. Twisted; rotated
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7
Q

With respect to the facial view of a permanent mandibular central incisor:

  1. The ______ incisal line angle is slightly more rounded than the ______ incisal line angle.
  2. The mesial & distal proximal contacts are at the _____ level and within the incisal _____ of the crown.
  3. After incisal wear the ______ contacts may be very near the ______ edge.
A
  1. Distal; mesial
  2. Same; one-third
  3. Proximal; incisal
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7
Q

With respect to the facial view of a permanent mandibular central incisor:

  1. The incisal one-third of the crown surface is relatively ______.
  2. The cervial two-thirds of the crown surface is ______.
A
  1. Flat
  2. Convex
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8
Q

Is the incisal third of the facial surface of the central incisor fairly flat or convex?

A

fairly flat

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8
Q

Distal View - Primary Mandibular First Molar

  • Visible cusps?
  • Facial crown outline displays a ___-positioned distofacial cusp in comparison to the mesofacial cusp.
  • Height of curvature of the cervical line is ____ curved.
  • Roots visible?
  • The ___ root slightly converges to the apex.
  • There is a ____ on the distal.
A
  • All four cusps visible
  • lingually
  • slightly
  • both roots visible
  • distal root converges
  • developmental root surface depression
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11
Q

The central incisor has a __________ shaped lingual fossa, while the lateral incisor has a __________ shaped fossa.

A

trapezoidal triangular

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12
Q

With respect to the incisal view of a permanent mandibular lateral incisor:

  1. The faciolingual measurement is ______ than the mesiodistal.
  2. The mesial contact area is centered _________ but the proximal contact will be slightly to the _______ of the faciolingual bisector.
  3. The incisal ride will be ______ to the faciolingual bisector of the crown outline in its’ entirety; however, the distal end of the ridge will be more toward the ______ than the mesial end
A
  1. Greater
  2. Faciolingually; lingual
  3. Lingual; Lingual
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13
Q

The crests of the cingulum of both incisors are offset to the ________.

A

distal

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14
Q

From the incisal view, both incisors display contact areas that are centered ___________.

A

faciolingually

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15
Q

Does the central incisor exhibit minimal variation or most variable permanent teeth?

A

minimal variation

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16
Q

With respect to the facial view of a permanent mandibular central incisor:

  1. The crown outline is what shape? With the longer parallel side at the _______ edge.
  2. The incisal edge is straight and at a ______ angle (perpendicular) to the long axis line of the tooth
  3. The mesial & distal incisal line angles are both said to be _______. (at almost a ____ degree angle)
A
  1. Trapezoidal; incisal
  2. Right
  3. Sharp; 90
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17
Q

Is the incisal third of the facial surface of the lateral incisor fairly flat or convex?

A

convex

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18
Q

Which is more angular: permanent central incisor or permanent lateral incisor?

A

permanent central incisor

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19
Q

From a ________ view, the lateral incisor frequently displays a ________ or carious _______ pit, while the central incisor does not.

A

lingual fissured lingual

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20
Q

Does the central lateral exhibit minimal variation or most variable permanent teeth?

A

most variable permanent teeth

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22
Q

With respect to the incisal view of the permanent mandibular canine:

  1. Just like the maxillary canine, the crown is ________ shaped.
  2. The faciolingual measurement is ________ than the mesiodistal dimension.
  3. The crown is _______ on the facial than on the lingual ( it tapers toward the lingual)
  4. The crown is bulkier on the ______ than on the ______ ( it tapers towards the distal)
A
  1. Diamond
  2. Greater
  3. Bulkier
  4. Mesial; distal
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23
Q

With respect to the facial view of the permanent maxillary canine:

  1. The facial ridge curves or inclines, or is oriented, toward the _____ in the middle third of the crown.
  2. There is a concavity in the _______ cervial one-third, that is also represended by the _____ outline of the crown.
A
  1. Mesial
  2. Distofacial; distal
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24
Q

Which is larger: permanent central incisor or permanent lateral incisor?

A

permanent central incisor

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25
Q

___ is a condition that is exhibited when a tooth erupts or emerges in the wrong position within the arch. It is usually seen in either a ___ or ___ direction.

A

Ectopic Eruption

facial or lingual

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26
Q

____ are ectopically erupted primarily toward the lingual side.

____ are ectopically erupted primarily toward the facial side.

A

Maxillary lateral incisors

Maxillary canines

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27
Q

A tooth that is located in a differet position from where it is supposed to be is called ____. This is most commonly seen in ____.

A

transposition

canines (maxillary more than mandibular)

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28
Q

The most commonly rotated tooth is the ____ followed by the ____ and then the ____.

A

maxillary second premolar, maxillary incisors, maxillary first premolar

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29
Q

____ is a condition found in permanent teeth where the outer enamel surface is folded inward and the tissue is wrapped like a croissant.

A

Dens-in-Dente (dens invaginatus)

30
Q

Dens-in-Dente (dens invaginatus) is considered a malformation resulting from an infolding of the ____ during tooth development.

Which tooth typically displays this condition?

A

dental papilla

permanent maxillary lateral incisors

31
Q

____ is a condition that causes teeth to be discolored (most often a blue-gray or yellow-brown color) that may be present with a translucent appearance.

A

Dentinogenesis Imperfecta

32
Q

Teeth with dentinogenesis imperfecta have a weaker construct than normal teeth making them prone to degradation. These problems can affect both ___ and ___ teeth. How is it exhibited radiographically?

A

primary, permanent

partial or total absence of pulp chambers and root canals.

33
Q

Facial Aspect - Permanent Maxillary Central Incisor

Cervicoincisal length is ____ the mesiodistal width which is ____ the faciolingual depth.

Crown outline is ___ with the shorter parallel side at ___.

The crown width at contact areas are ___ at cervix.

A

greater than, greater than

trapezoidal, cervix

greater than

34
Q

Lingual Aspect - Permanent Maxillary Central Incisor

  • The cervical outline of the crown is more ____ than what is seen on the facial aspect.
  • The ____ in the incisal one-half of the crown surface is described as a wide, shallow dish-shaped depression.
A

apically positioned (steeper inclination, less rounded)

lingual fossa

35
Q

Lingual Aspect - Permanent Maxillary Central Incisor

The lingual fossa is bound by the ___, the ___ ridges and the ___.

A

linguo-incisal ridge, mesial and distal marginal ridges, cingulum.

36
Q

Lingual Aspect - Permanent Maxillary Central Incisor

The ___ is well-developed in the cervical one-half of the crown and often has two ridge projections that impinge on the ___ in the middle third.

The greatest curvature lingually of the cingulum and the crest of the cervical line gingivally will be slightly ___ to the mexiodistal long axis bisector of the crown.

A

cingulum, lingual fossa

distal

37
Q

Lingual Aspect - Permanent Maxillary Central Incisor

The ___ is relatively deep, triangular in outline and also “cup-shaped.” It occupies the ___ two thirds of the lingual surface of the crown.

The cingulum is limited to the ___ 1/3 of the crown and the ____ ridges form a “V” as they flow into the cingulum.

A

lingual fossa, incisal

cervical, mesial and distal marginal

38
Q

Which teeth are smaller in overall size and crown

A

<!--StartFragment-->

Primary teeth <!--EndFragment-->

39
Q

Primary teeth have markedly _____ (more or less) prominent cervical ridges and are _____ (thicker or narrower) at their “necks” (the location that surrounds the cervical in color)

A

More, narrower

40
Q

Primary teeth are ____ (lighter or darker) in color.

A

lighter (milk teeth)

41
Q

Primary _____ (anterior or posterior) teeth (molars) have roots that are more widely flared

A

posterior

42
Q

Roots of primary anterior teeth are _____ and _______ compared to their respective crown

A

narrower and longer

43
Q

Narrow roots with wide crowns produce what?

A

marked difference in the cervical area

44
Q

Primary Maxillary Central Incisor - Incisal View: ______ measurement is greater than the _______

A

Mesiodistal and faciolingual

45
Q

Primary Maxillary Central Incisor - Incisal View: What is the incisal ridge centered over? Is the incisal ridge straight?

A

The main bulk of the the crown. It is relatively straight

46
Q

Primary Maxillary Central Incisor - Incisal View: _____ surface is much wider ( and smoother) than the _____ surface

A

Facial, lingual

47
Q

Primary Maxillary Central Incisor - Incisal View: Lingual surface tapers (gets smaller) towards the ______

A

cingulum

48
Q

Primary Maxillary Central Incisor - Incisal View: Mesial and distal surfaces are reatively _____, enabling good contact with the adjoining teeth.

A

wide

49
Q

Primary Maxillary Canine - Facial View: What is the outline form?

A

diamond or arrow shaped

50
Q

Primary Maxillary Canine - Facial View: Where is the postion of the cusp?

A

slightly distal of the center of the tooth

51
Q

Primary Maxillary Canine - Facial View: Mesial cuspal ridge is slightly _____ than the distal cuspal ridge

A

longer

52
Q

Primary Maxillary Canine - Facial View: The proximal contact locations are at the _____ level

A

same

53
Q

Primary Maxillary Canine - Facial View: _______ ridge location is slightly on the distal half

A

Facial

54
Q

Primary Maxillary Canine - Facial View: The root length is _____ that of the crown

A

twice

55
Q

Primary Maxillary Canine - Facial View: The root displays a curvature ______ the distal

A

toward

56
Q

Primary Maxillary First Molar - Mesial View: Which way does the crown taper?

A

Significantly toward the occlusal

57
Q

Primary Maxillary First Molar - Mesial View: Mesiolingual cusp is ______ and ______ pointed than the mesiofacial cusp

A

taller and more

58
Q

Primary Maxillary First Molar - Mesial View: A lingually-positioned _____ _______ ridge groove is present

A

mesial marginal

59
Q

Primary Maxillary First Molar - Mesial View: Is the cervical line straight or curved? What is the slight exception to this rule?

A

Straight except for a slight occlusal curvature on the facial half of the crown, so…it’s not straight

60
Q

Primary Maxillary First Molar - Mesial View: Where is the proximal contact located?

A

Faciolingual center of the tooth

61
Q

Primary Maxillary First Molar - Mesial View: Only _____ roots are evident from this view because the _______ root is super-imposed over the distofacial root

A

two, mesiofacial

62
Q

Primary Maxillary First Molar - Mesial View: The _____ root inclines oit beyond the lingual confines of the crown and curves _______ in the apical one-third

A

Lingual, facially

63
Q

Primary Maxillary First Molar - Mesial View: Where is the bifurcation between the mesiofacial and lingual roots found?

A

Cervical line

64
Q

Primary Maxillary Second Molar - Occlusal View: How many cusps are on this tooth and what are their names from largest to smallest?

A

5 Cusps: mesiolingual, mesiofacial, distofacial, distolingual, and the 5th cusp of carabelli

65
Q

Primary Maxillary Second Molar - Occlusal View:What is the crown outline shape considered?

A

somewhat rhomboidal, exhibiting a distal crown convergence

66
Q

Primary Maxillary Second Molar - Occlusal View:Both ______ ridges are prominent

A

marginal

67
Q

Primary Maxillary Second Molar - Occlusal View:The oblique ridge form is quite massive especially when compared to what tooth?

A

primary maxillary first molar

68
Q

Primary Maxillary Second Molar - Occlusal View:There is a distinct ______ ridge involving the triangular ridges of the mesially postioned cusps

A

transverse

69
Q

Primary Maxillary Second Molar - Occlusal View:The major fassa on the tooth include the ____ and ______ fossae

A

central and distal

70
Q

Primary Maxillary Second Molar - Occlusal View: The minor fossae on the tooth include the _______ _________ fossa and ________ _______ fossa

A

Mesial triangular and distal triangular

71
Q

Primary Maxillary Second Molar - Occlusal View:What is the distal oblique groove called when it is traveling onto the lingual surface?

A

lingual developmental groove

72
Q

Primary Maxillary Second Molar - Occlusal View: The transverse groove of the oblique ridge crosses the ______ ridge and connects the _____ pit with the ______ pit

A

oblique, central and distal

Dental Anatomy (6 decks)

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