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Dental Anatomy ASDOH > Quiz 2- Review > Flashcards

Quiz 2- Review Flashcards

1
Q

Primary teeth are __________ in overall size and ____________ dimensions

A

smaller, crown

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2
Q

Primary teeth have markedly more ____________ cervical ridges and are ___________ at their “necks”

A

prominent, narrower

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3
Q

Primary teeth are __________ in color

A

Lighter

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4
Q

Primary posterior teeth (molars have root that are more _______________

A

widely flared

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5
Q

Anterior Root Comparison -

The roots of primary anterior teeth are __________ & ________ compared to their respective crowns.

A

narrower and longer

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6
Q

Anterior Root Comparison -

__________ roots with _______ crowns produce a marked difference in the cervical area

A

Narrow, wide

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7
Q

Incisal View- Primary Maxillary Central Incisor

__________ measurement is greater than the FL.

A

MD

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8
Q

Incisal View- Primary Maxillary Central Incisor

__________ ridge is centered over the main bulk of the crown & is respectively ___________, except for a slight curvature to the lingual on the distal portion.

A

Incisal, straight

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9
Q

Incisal View- Primary Maxillary Central Incisor

____________ surface is much wider (and smoother) than the __________ surface

A

facial, lingual

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10
Q

Incisal View- Primary Maxillary Central Incisor

___________ surface tapers (gets smaller) towards the cingulum

A

Lingual

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11
Q

Incisal View- Primary Maxillary Central Incisor

____________ & __________ surfaces are respectively wide, enabling good contact with the adjoining teeth

A

Mesial and Distal

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12
Q

Facial View - Primary Maxillary Canine

Crown outline form?

A

Diamond or arrow shape

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13
Q

Facial View - Primary Maxillary Canine

The cusp position is slightly _________ of the center of the tooth

A

Distal

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14
Q

Facial View - Primary Maxillary Canine

__________ cuspal ridges is slightly longer than the ________ cuspal ridges

A

Mesial, distal

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15
Q

Facial View - Primary Maxillary Canine

The ___________ contact locations are at the same level.

A

proximal

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16
Q

Facial View - Primary Maxillary Canine

________________ location is slightly on the distal half.

A

Facial ridge

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17
Q

Facial View - Primary Maxillary Canine

The root length is ________ that of the crown.

A

twice

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18
Q

Facial View - Primary Maxillary Canine

The root displays a curvature toward the _________

A

Distal

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19
Q

Mesial View - Primary Maxillary First Molar

The crown tapers significantly towards the ___________

A

occlusal

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20
Q

Mesial View - Primary Maxillary First Molar

Cusp length: ________ cusp is taller & more pointed than the ________ cusp

A

ML, MF

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21
Q

Mesial View - Primary Maxillary First Molar

The lingually positioned __________________ ridge groove is present

A

mesial marginal

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22
Q

Mesial View - Primary Maxillary First Molar

The _____________ is straight across, except for a slight occlusal curvature on the facial half of the crown

A

cervical line

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23
Q

Mesial View - Primary Maxillary First Molar

The facial cervical ridge is extremely?

A

convex

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24
Q

Mesial View - Primary Maxillary First Molar

The proximal contact is located in the ___________ center of the tooth

A

FL

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25
Q

Mesial View - Primary Maxillary First Molar

How many root are evident from this view?

A

2 - the MF root is super imposed over the DF rooth

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26
Q

Mesial View - Primary Maxillary First Molar

The ___________ root inclines out beyond the ___________ confines of the crown and curves in the apical third.

A

lingual, lingual

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27
Q

Mesial View - Primary Maxillary First Molar

The bifurcation between the ___________ and __________ roots is almost at the location of the cervical line

A

MF, lingual

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28
Q

Occlusal View - Primary Maxillary Second Molar

How many cusps on this tooth?

A

5

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29
Q

Occlusal View - Primary Maxillary Second Molar

List cusps from largest to smallest.

A 
ML
MF
DF
DL
5th (Cusp of carabelli)
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30
Q

Occlusal View - Primary Maxillary Second Molar

What is the outline form?

A

“somewhat rhomboidal”

exhibiting a distal crown convergence

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31
Q

Occlusal View - Primary Maxillary Second Molar

What marginal ridge is prominent?

A

Both

32
Q

Occlusal View - Primary Maxillary Second Molar

The ___________ form is quite massive, especially in comparison to the primary maxillary first molar

A

oblique ridge

33
Q

Occlusal View - Primary Maxillary Second Molar

There is a distinct _______________ involving the triangular ridges of the medially positioned cusp

A

transverse rigde

34
Q

Occlusal View - Primary Maxillary Second Molar

The major fossa on the tooth?

A

Central and distal fossae

35
Q

Occlusal View - Primary Maxillary Second Molar

The minor fossae on the tooth include?

A

Mesial and distal triangular fossa

36
Q

Occlusal View - Primary Maxillary Second Molar

The distal oblique groove groove, when traveling onto the lingual surface is called the?

A

lingual development groove

37
Q

Occlusal View - Primary Maxillary Second Molar

The transverse groove of the oblique ridge crosses the oblique ridge and connects the?

A

central pit with the distal pit

38
Q

Distal View - Primary Mandibular First Molar

All four cusps are visible from?

A

Distal View

39
Q

Distal View - Primary Mandibular First Molar

The facial crown outline is lingually positioned _______________, in comparison to the ___________

A

DF cusp, MF cusp

40
Q

Distal View - Primary Mandibular First Molar

The height of curvature of the cervical line is

A

slightly curved

41
Q

Distal View - Primary Mandibular First Molar

What roots are visible form this view?

A

Both

42
Q

Distal View - Primary Mandibular First Molar

The distal root slightly converges?

A

To the apex

43
Q

Distal View - Primary Mandibular First Molar

There is a developmental root surface depression on the?

A

Distal

44
Q

Ecoptic Eruption

A
  • A condition that is exhibited when a tooth erupts or emerges in the wrong position within the arch.
  • Usually seen in the F or L direction
45
Q

Maxillary lateral incisors are ectopically erupted towards?

A

primarily the lingual side

46
Q

Maxillary canines are ectopically erupted towards?

A

the facial side

47
Q

A tooth is a different position then it is suppose to be

A

Transposition (seen in canines - maxillary the most)

48
Q

Most common rotated tooth

A

maxillary second premolar > maxillary incisor > maxillary first premolar

49
Q

Dens-in-Dente

A

Also known as dens invaginatus, is a condition found in permanent teeth

  • the outer enamel surface is folded inward
  • tissue is wrapped like a croissant
50
Q

What for of dens-in-dente exist?

A

coronal and radicular

51
Q

What is dens-in-dente considered?

A

a malformation of teeth probably resulting from an infolding of the dental papilla during tooth development

52
Q

What tooth typically displays dens-in-dente?

A

maxillary lateral incisor

53
Q

Dentinogenesis Imperfecta

A

Condition causes teeth to be discolored (most often a blue-gray or yellow-brown color)
and may present with a translucent apperance

54
Q

The teeth of dentinogenesis imperfecta

A

teeth have a weaker construct than normal teeth, making them prone to degradation and eventual loss
- can affect both permanent and primary

55
Q

Radiographically dentinogenesis imperfecta

A

exhibit a partial or total absence of pulp chambers and root canals

56
Q

Facial Aspect Measurement & Geometry - Permanent Maxillary Central Incisor

The __________ length (10.5 mm) is greater than the _________ width (8.5 mm) which is greater than the _________ depth (7.0mm)

A

CI > MD > FL

57
Q

Facial Aspect Measurement & Geometry - Permanent Maxillary Central Incisor

Crown outline?

A

Trapezoid with the shorter parallel side at cervix

58
Q

Facial Aspect Measurement & Geometry - Permanent Maxillary Central Incisor

Crown width at contact areas?

A

are greater than at cervix

59
Q

Lingual Aspect - Permanent Maxillary Central Incisor

The cervical outline is more ____________ that what is seen on the ____________ aspect

A

apically-positioned, facial

60
Q

Lingual Aspect - Permanent Maxillary Central Incisor

The lingual fossa in the incisal one-half of the crown surface is described as?

A

wide, shallow “dish-shaped” depression

61
Q

Lingual Aspect - Permanent Maxillary Central Incisor

The lingual fossa is what shape?

A

trapezoidal

62
Q

Lingual Aspect - Permanent Maxillary Central Incisor

Explain the cingulum?

A
  • well developed in the cervical 1/2
  • often has two ridge projections that impinge on the lingual fossa in the middle third
  • greatest curvature lingually of the cingulum and the crest of the cervical line gingival will be slightly distal to the MD long axis bisector of the crown
63
Q

Lingual Aspect Negative Anatomy - Permanent Maxillary Lateral Incisor

The lingual fossa is what shape?

A

Deep, triangular in outline, and also “ cup-shaped”

64
Q

Lingual Aspect Negative Anatomy - Permanent Maxillary Lateral Incisor

The lingual fossa occupies the?

A

Incisal 2/3 of the lingual surface of the crown

65
Q

Lingual Aspect Negative Anatomy - Permanent Maxillary Lateral Incisor

What are the anatomical boundaries for the lingual fossa?

A

Lingual-incisal ridge
M and D marginal ridges
Cingulum

66
Q

Lingual Aspect Negative Anatomy - Permanent Maxillary Lateral Incisor

The cingulum is limited to the ____________ 1/3 of the crown and the ________ and _________ marginal ridges form a ________ as they flow into the cingulum

A

cervical
mesial
distal
“V”

67
Q

Permanent Maxillary Central and Lateral Incisors

What one is larger?

A

Central

68
Q

Permanent Maxillary Central and Lateral Incisors

What one is more angular?

A

Central

69
Q

Permanent Maxillary Central and Lateral Incisors

What is the difference in the roots?

A

Central - straight

lateral - often curved or pointed to the distal

70
Q

Permanent Maxillary Central and Lateral Incisors

The incisal third of the __________ surface of the central incisor is fairly flat, while the incisal third of the _________ incisor exhibits more convexity

A

facial

lateral

71
Q

Permanent Maxillary Central and Lateral Incisors

Which one shows more variation?

A

The lateral is one of the most variable tooth

The central is fairly uniform

72
Q

Permanent Maxillary Central and Lateral Incisors

The cingulum on both are offset to which side?

A

Distal

73
Q

Permanent Maxillary Central and Lateral Incisors

Shape of the lingual fossa?

A

Central - trapezoid

Lateral - triangular

74
Q

Permanent Maxillary Central and Lateral Incisors

From an incisal view, both incisors display contact areas that are centered _________?

A

FL

75
Q

Permanent Maxillary Central and Lateral Incisors

From a proximal view, display an incisal edge that is __________ over the fret of the curvature of the CEJ and the main body of their ___________

A

centered

respective roots

76
Q

Permanent Maxillary Central and Lateral Incisors

From a lingual view, the __________ incisor frequently displays a fissured or carious “lingual pit”, while the _________ incisor does not

A

lateral

central

Dental Anatomy ASDOH (2 decks)

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