tooth features Flashcards

1
Q

the buccal surface of this tooth has a pit with an increased risk of caries

A

lower first permanent molar

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2
Q

transverse fissure across the occlusal surface

A

lower first permanent molar

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3
Q

mesial root is broader than the distal root

A

lower second molars

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4
Q

lingual cusps are raised

A

lower second molar

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5
Q

convex labial surface

A

central incisor

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6
Q

disto incisal edge rounded

A

central incisor

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7
Q

scoop form to the crown on lingual side

A

central incisor

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8
Q

pronounced rounding of the disto incisal edge

A

lateral incisor

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9
Q

fossa on the palatal side of the tooth

A

lateral incisor

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10
Q

an elevation of enamel which forms mesial or distal margin of the lingual surface of an anterior tooth or the occlusal surface of a posterior tooth

A

marginal ridge

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11
Q

flat and symmetrical crown

A

lower central incisor

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12
Q

crown is slightly twisted on the root to follow the dental arch

A

lateral incisor

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13
Q

cingulum is divided into two shallow fossae on the palatal aspect by a ridge connecting the cusp

A

upper canine

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14
Q

root is usually grooved both mesially and distally

A

upper canine

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15
Q

root is more slender and symmetrical than its upper counterpart

A

lower canine

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16
Q

bulge of enamel on the cervical third of the lingual surface of all anterior teeth

17
Q

mesial border of cusp is shorter than disttal. labial surface is lingually inclined

A

lower canine

18
Q

crown set in a straight line with the root when viewed proximally

A

upper canine

19
Q

enamal extends further apically on the labial side than on the lingual side

A

lower canine

20
Q

continuation of concavity from the mesial cervical region over to the cervical region of the root

A

canine fossa

21
Q

oval, buccal cusp wider and higher than lingual cusp

A

upper first premolar

22
Q

marked mesial displacement of the lingual cusp

A

upper first premolar

23
Q

mesial marginal ridge is higher

A

upper first premolar

24
Q

sharp fissure running mesiodistally, does not reach the distal marginal ridge, but extends mesially

A

upper first premolar

25
the mesial surface is more deeply grooved and has concavity in the cervical region
upper first premolar
26
marked distal curvature of the root
upper first premolar
27
two cusps similar in width and height due to reduction in buccal surface
upper second
28
mesial marginal ridge is more cervical
lower first premolar
29
curved buccal profile
lower premolars