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614 Intro to restorative dentistry > Teeth EX 1 > Flashcards

Teeth EX 1 Flashcards

1
Q

the crown shape of ______ and _____ are trapezoidal

A

Central and Lateral maxillary incisal

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2
Q

________ are the raised portion of ridges near CEJ of teeth

A

Perikymata

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3
Q

which tooth is easy to extract without fear of fracturing the root?

A

max central incisor

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4
Q

Maxillary central incisor has a lingual fossa shaped like what??

A

trapezoid

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5
Q

the crown outline of the incisal view of Max. central incisor converges _______

A

Lingually

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6
Q

which tooth has the cervical line that curves incisally/occlusally the most?

A

Mx central incisor

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7
Q

which tooth has a mesial lingual outline of an “S”?

A

Max central incisor

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8
Q

where does convexity of cingulum start on Max central incisor?

A

halfway bw incisal ridge and cervical line on Lingual surface

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9
Q

the crown length/width of the Mx lateral incisor is how much less than central?

A

1.0-1.5 mm shorter
2.0mm less width

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10
Q

which incisal angle is rounded on MX lateral incisor?

A

trick Q! they’re both rounded

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11
Q

which direction does root of Mx lateral incisor curve towards?

A

distal

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12
Q

what shape is the lingual fossa on MX lateral incisor?

A

Triangle

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13
Q

what is a linguogingival groove? which tooth is it unique too?

A
  • a groove on distal side of cingulum that may need to be restored
  • MX lateral incisor
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14
Q

which tooth has a facial outline that is more continuously convex?
MX central or lateral incisor?

A

MX lateral incisor

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15
Q

the crest of the cingulum of the MX lateral incisor is slightly _____

A

distal

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16
Q

which tooth is known for having most developmental anomalies? (dens in dent, aplasia, microdontia, peg lateral)

A

MX lateral incisor

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17
Q

the mandibular first molar has how many cusps?

A

5

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18
Q

the shape of the crown of a mandibular first molar from the facial view is ______, but from the mesial/distal view it’s _______

A

trapezoidal
rhomboidal

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19
Q

In the mandibular first molar, the _____ cusps are pointed while the _____ cusps are more rounded

A

Lingual
Facial

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20
Q

what is at the end of the Mesiofacial groove on a mandibular first molar that might need restoration?

A

facial pit

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21
Q

the cervical line dips and points to the bifurcation on which tooth?

A

Man first molar

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22
Q

on the mandibular first molar, which root is bigger?

A

Mesial

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23
Q

are all 5 cusps visible from the facial on mandibular first molar?

A

yes

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24
Q

the _______ cusp is wider than the ____ cusp on the lingual view of a Mandibular first molar

A

Mesiolingual
Distolingual

25
Q

on a mandibular first molar, the lingual cervical line is _____mm more ______

A

1.0mm, occlusal

26
Q

which cusps can you see from the facial on Mandibular first molar? from lingual?

A

Facial: all 5
Lingual: Lingual and distal, not facial

27
Q

Dr. Mcdonald said that on the Man first molar, the lingual/facial cusps are ___________ height if measured from CEJ

A

SAME

28
Q

where are the greatest curvatures on facial and lingual on mandibular first molar?

A

facial: cervical 1/3
lingual: middle of middle 1/3

29
Q

the faciolingual measurement of occlusal on mandibular first molar is greatest in ______ half of crown

A

mesial

30
Q

rank the sizes of the mandibular first molar cusps from largest to smallest

A

MF > ML/DL > DF >D

31
Q

rank the sizes of the mandibular first molar cusps from tallest to shortest

A

ML > DL > MF > DF > D

32
Q

the cusps of the mandibular first molar have _____ but don’t have _____

A

triangular ridges
DONT HAVE transverse ridges

33
Q

compare the sizes of the Man second molar to mandibular first molar

A

mandibular second molar has a narrower crown both mesiodistally and occlusocervically

34
Q

what separates the MF/DF cusps on the mandibular second molar?

A

Facial/Buccal groove

35
Q

which cusp is wider on Man second molar: MF or DF cusp?

A

trick question! they are equal in mesiodistal length/width

36
Q

compare the roots of a mandibular second molar to mandibular first molar

A

mandibular second molar roots:
- roots are closer
- roots incline distally more
- root trunk shorter

37
Q

lingual width of the mandibular ______ molar may be wider than the mandibular ______ molar

A

second, first

38
Q

the lingual cusps on the mandibular second molar are taller because ______

A

the cervical line is higher occlusaly on the lingual

39
Q

the mandibular second molar has how many cusps?

A

4

40
Q

ALL mandibular molars are wider in the _____ dimension than the ______ dimension

A

Mesiodistal, Faciolingual
( the tooth is wider than it is deep)

41
Q

on the mandibular second molar, the greatest Faciolingual measurement on the occlusal view is on the ______ side

A

Mesial
(tooth is thicker/wider on mesial side)

42
Q

on the ______ the major grooves cross in a way that creates a “+” shape

A

mandibular second molar

43
Q

what are the 3 pits on the occlusal view of man second molar?

A

mesial, distal, central

44
Q

on the man 2nd molar, triangular ridges meet to form _____

A

transverse ridges

45
Q

on the mesial view of the man 2nd molar, the _____ cusp is shorter and more rounded while the _______ cusp is longer and more pointed

A

facial
lingual

46
Q

does the mandibular second molar have a distal cusp?

A

NO

47
Q

what resembles a mandibular canine but only has 2 cusps?

A

mandibular first premolar

48
Q

which is the ONLY posterior tooth that has an occlusal table that slopes cervically?

A

mandibular first premolar

49
Q

what type of ridges does a mandibular first premolar have?

A

2 triangular, and transverse

50
Q

the distal marginal ridge of the mandibular first premolar is more _____ than the mesial marginal ridge

A

horizontal

51
Q

the occlusal outline of a mandibular first premolar is shaped like a _____ but its occlusal table is shaped like a ______

A

diamond, triangle

52
Q

is there a central pit in a man first premolar?

A

NO

53
Q

compare the facial cusps on the mandibular first and second premolar

A

Man. second premolar has a shorter/blunter facial cusp than first premolar

54
Q

how many varieties are there of a man 2nd premolar?

A

3: Y, U, H
Y: 3 cusp, 5 lobe
U: 2 cusp, 4 lobe
H: 2 cusp, 4 lobe

55
Q

the root of a man 2nd premolar is ______ than a canines root and usually has ___ canal(s)

A

shorter, 1

56
Q

rank the cusp sizes of a 3 cusp mandibular 2nd premolar

A

F > ML > DL

57
Q

in the man 2nd premolar, the ML cusp tip is _____mm shorter than the facial cusp tip, and the DL cusp tip is _____mm shorter than the facial cusp tip

A

1.5mm, 2.0mm`

58
Q

which mandibular tooth is the only one that has a wider lingual mesiodistal width than facial mesiodistal width?

A

mandibular second premolar

59
Q

does the 3 cusp variety of the man. second premolar have transverse ridges?

A

no

614 Intro to restorative dentistry (2 decks)

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