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Spanish Peds > Lower teeth > Flashcards

Lower teeth Flashcards

1
Q

Smallest crown of all the teeth

A

Lower central primary incisor

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2
Q

First tooth to erupt

A

Lower central primary incisor

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3
Q

Symmetry in Lower central primary incisor?

A

“It has great symmetry”

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4
Q

Lower central primary incisor Labial surface:

Developmental grooves?

A

None. flat face

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5
Q

Lower central primary incisor Labial surface:

Crown compared to permanent?

A

Wider than its length

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6
Q

Lower central primary incisor Labial surface:

incisal border?

A

no relevant details:

straight border and equal angles

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7
Q

Lower central primary incisor how many roots?

A

One long root

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8
Q

Lower central primary incisor root canals and pulp horns? (3)

A
  • One root canal
  • Two pulp horns
  • Mesial pulp horn is more pronounced
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9
Q

Lower lateral primary incisor compared to central incisor?

A

-bigger EXCEPT buccolingually

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10
Q

Lower lateral primary incisor Crown Labial Surface:

incisal edge

A

slopes cervically in the distal surface

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11
Q

Lower lateral primary incisor Crown Labial Surface:

mesial angle

A

Slightly more acute than distal angle

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12
Q

Lower lateral primary incisor Crown Labial Surface: convexity/concavity compared to central incisor?

A

Slightly more convex than central incisor

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13
Q

Lower lateral primary incisor Crown Lingual Surface (2)

A
  • Cingulum slightly more defined.

* Concave

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14
Q

Lower lateral primary incisor Crown Mesial and distal surfaces?

A

Convex

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15
Q

Lower lateral primary incisor Crown incisal aspect? (2)

A
  • Very similar to the central incisor.

* The incisal border is slightly oblique towards distal

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16
Q

Lower lateral primary incisor root?

A

One conic root

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17
Q

Lower lateral primary incisor pulp chamber? (2)

A

o It follows the external morphology.

o One root canal and two pulp horns, being bigger the mesial one.

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18
Q

Lower primary canine compared to upper primary canine?

A
  • very similar but slightly smaller

- Sharper (upper is more bulky)

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19
Q

Erupts at 17-23rd month?

A

Lower primary canine

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20
Q

Lower primary canine crown labial surface:

developmental lobes?

A

3

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21
Q

Lower primary canine crown labial surface:

Slope compared to upper?

A

Opposite to the maxillary canine: The distal slope is longer than the mesial one.

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22
Q

Lower primary canine crown lingual surface? (3)

A
  • Less accentuated cingulum.
  • No central ridge.
  • More convex.
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23
Q

Lower primary canine crown mesial and distal surfaces?

A

Similar to upper canine.

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24
Q

Lower primary canine crown incisal aspect?

A

Similar to upper canine.

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25
Q

Lower primary canine root? (2)

A

o Conic

o 2 mm shorter than the upper canine.

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26
Q

Lower primary canine pulp chamber? (2)

A

o It follows the external morphology.

o It has one conduct and three pulp horns, being the central one the most accentuated.

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27
Q

14-18th month eruption?

A

Lower first primary molar

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28
Q

Lower first primary molar compared to maxillary second molar?

A

smaller

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29
Q

Lower first primary molar crown BUCCAL surface: Mesial outline of crown ? (2)

A

straight

crown constricts at the cervix

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30
Q

Erupts at 6-10 months

A

Lower central primary incisor

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31
Q

Lower central primary incisor Lingual surface:

marginal ridges/cingulum?

A

has both

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32
Q

Lower central primary incisor Lingual surface:

middle and incisal thirds?

A

flattened surface or slight concavity

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33
Q

Lower central primary incisor Lingual surface:

compared to labial surface?

A

narrower

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34
Q

Lower central primary incisor Lingual surface:

mesial and distal borders?

A

have a marked constriction at the cervix

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35
Q

Lower central primary incisor mesial surface:

convexity?

A

at the cervical third is pronounced

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36
Q

Lower central primary incisor mesial surface:

labiolingual measurement?

A

only a mm less than the primary maxillary central incisor

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37
Q

Lower central primary incisor distal surface:

compared to mesial?

A

cervical line of the crown is less curved towards

the incisal ridge than on the mesial surface

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38
Q

Lower central primary incisor incisal surface:

cingulum?

A

Definite taper towards the cingulum

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39
Q

Lower central primary incisor incisal surface:

Labial surface?

A

flat and slightly convex

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40
Q

Lower central primary incisor incisal surface:

Lingual surface?

A

Flat and slightly concave

41
Q

Lower central primary incisor root:

What surface is narrower?

A

lingual surface

42
Q

Lower central primary incisor root:

distal surface?

A

can find a developmental depression

43
Q

On which tooth can we find a developmental depression on the distal surface of the tooth?

A

Lower central primary incisor

44
Q

Which tooth’s root measures three times the crowns length?

A

Lower central primary incisor

45
Q

Lower central primary incisor root length?

A

3x the crowns length

46
Q

Lower central primary incisor pulp chamber? (3)

A

Follows external morphology.

  • 1 root canal 2 pulp horns
  • mesial more pronounced
47
Q

Erupts at 10-16th month?

A

Lower lateral primary incisor

48
Q

Lower lateral primary incisor root inclination?

A

towards distal and labial

49
Q

Lower canine root inclination?

A

towards distal and labial

50
Q

Lower first primary molar crown BUCCAL surface:

distal portion?

A

shorter

51
Q

Lower first primary molar crown BUCCAL surface:

cusps?

A
  • 2 distinct buccal cusps

- mesial cusp is bigger

52
Q

Lower first primary molar crown BUCCAL surface:

developmental groove?

A

none

53
Q

Lower first primary molar crown convergence?

A

lingually

54
Q

Lower first primary molar crown lingual surface:

distolingual cusp shape?

A

rounded

55
Q

Lower first primary molar crown lingual surface:

mesiolingual cusp shape? (2)

A

long and sharp

56
Q

Lower first primary molar crown lingual surface:

mesial marginal ridge?

A

well developed

57
Q

Lower first primary molar crown lingual surface:

cervical line?

A

straight

58
Q

Lower first primary molar crown lingual surface:

lingual groove?

A

exists

59
Q

Lower first primary molar crown mesial surface:

curvature? (2)

A

extreme curvature at the cervical third of the

buccal surface: Zuckerkandl tubercle.

60
Q

Lower first primary molar crown mesial surface:

cusps?

A

Both mesial cusps are seen, as well as a well-defined marginal ridge

61
Q

Lower first primary molar crown mesial surface:

Marginal line?

A

curves towards occlusal

62
Q

Lower first primary molar crown distal surface:

cervical line?

A

does not curve

63
Q

Lower first primary molar crown distal surface:

lingual & buccal lengths?

A

more equal

64
Q

Lower first primary molar crown distal surface:

cusps compared to mesial?

A

distal cusps are not as sharp as the mesial cusps

65
Q

Lower first primary molar crown distal surface:

distal marginal ridge?

A

not well defined

66
Q

Lower first primary molar crown occlusal aspect? (9)

A
  • Central developmental groove
  • Lingual developmental groove
  • Distal marginal ridge
  • Mesial marginal ridge
  • Distal triangular fossa
  • Mesial triangular fossa
  • Central fossa (closer to distal)
  • Buccal developmental groove
  • Transverse ridge (connects Mb with ML
67
Q

The transverse ridge of the lower first primary molar connects…?

A

MB with ML

68
Q

Lower first primary molar cusps?

A

4: mesiobuccal, distobuccal,

mesiolingual and distolingual.

69
Q

Lower first primary molar root buccal and lingual aspect? (2)

A

long and slender

-spread greately at apical third beyond crown’s outline

70
Q

Lower first primary molar root mesial and distal aspect:

root end shape?

A

flat and square

71
Q

Lower first primary molar root mesial and distal aspect:

depressions?

A

may see a developmental depression

72
Q

Lower first primary molar root mesial and distal aspect:

buccal and lingual outlines?

A

go straight to the crown

73
Q

Lower first primary molar root mesial and distal aspect:

distal root shape?

A

rounded and shorter

74
Q

Lower first primary molar root pulp chamber? (3)

A

o It follows the external morphology.
o It has three root canals (two in the mesial
root).
o And four pulp horns, being the most pronounced the mesiobuccal.

75
Q

Lower secondary primary molar compared to first permanent molar?

A

Very similar to the first permanent molar

76
Q

Erupts at 23-31st month?

A

Lower second primary molar

77
Q

Lower secondary primary molar isomorphism?

A

yes

78
Q

Lower secondary primary molar crown buccal surface:

cervical diametre?

A

narrower than the central diameter

79
Q

Lower secondary primary molar crown buccal surface: developmental grooves?

A

mesiobuccal and a distobuccal developmental

grooves which divide the surface in three cusps

80
Q

Lower secondary primary molar crown buccal surface: mesial groove?

A

mesial groove ends in a little fossa

81
Q

Lower secondary primary molar crown lingual surface:

Cusps? (2)

A
  • Two lingual cusps of almost equal dimension are seen

- short lingual groove between them is present.

82
Q

Lower secondary primary molar crown lingual surface:

cervical line?

A

straight

83
Q

Lower secondary primary molar crown lingual surface:

Mesial portion?

A

slightly higher

84
Q

Lower secondary primary molar crown lingual surface:

buccal cusps?

A

a portion of each can be seen

85
Q

Lower secondary primary molar crown mesial surface:

marginal ridge?

A

high

86
Q

Lower secondary primary molar crown mesial surface:

buccal contours?

A

More prominent

87
Q

Lower secondary primary molar crown mesial surface:

cusps?

A

lingual cusp is longer and higher

88
Q

Lower secondary primary molar crown mesial surface:

convergence?

A

buccal and lingual faces converge towards

lingual

89
Q

Lower secondary primary molar crown distal surface:

crown?

A

Not as wide as mesially

90
Q

Lower secondary primary molar crown distal surface:

cusps?

A

distolingual cusp is well developed

91
Q

Lower secondary primary molar crown distal surface:

cervical line?

A

regular

92
Q

Lower secondary primary molar crown occlusal surface? (6)

A
  • Central groove in W shape
  • Buccal grooves
  • Lingual grooves
  • Mesial ridge
  • Distal ridge
  • Mesial and distal grooves.
93
Q

Lower secondary primary molar crown occlusal surface shape?

A

W

94
Q

Lower secondary primary molar crown occlusal surface:

cusps? (3)

A

5

  • 3 buccal
  • 2 lingual
95
Q

Lower secondary primary molar cusp sizes? (2)

A
  • Three buccal cusps: central> MB>DB

- Two lingual cusps : similar in size

96
Q

Lower secondary primary molar root buccal and lingual aspect?
(2)

A
  • They are long and slender.

* The point of bifurcation is right under the cementoenamel junction

97
Q

Lower secondary primary molar root mesial and distal aspect? (2)

A

• The mesial root is broad and flat with a blunt
apex
• The distal root is very similar but tapers more
toward apical

98
Q

Lower secondary primary molar root pulp chamber? (3)

A

o It follows the external morphology.
o The mesial pulp horns are more accentuated
o It has three root canals: two in the mesial root

Spanish Peds (9 decks)

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