tooth morphology osce sentences Flashcards

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1
Q

during lateral movement of the jaw, this tooth acts as a guidepost with its antagonist

A

upper canine

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2
Q

there may be two lingual cusps, if so the mesial cusp is the larger

A

lower second premolar

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3
Q

this tooth has a pit on the buccal surface which is at an increased risk of caries

A

lower first molart

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4
Q

this tooth has the mesial surface more deeply grooved than the distal and shows a concavity in the cervical region

A

upper first premolar

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5
Q

the crown is set at an angle to the root, producing a convex labial profile from the cusp to the apex. often there is enamel extending further apically on the labial side than on the lingual side

A

lower canine

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6
Q

a small groove runs from the mesial pit of the occlusal surface on to the mesiolingual surface

A

lower first premolar

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7
Q

the crown is the largest of the four incisors, being almost as wide as it is long

A

upper central incisor

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8
Q

usually, this tooth has only four cusps of similar size, and the occlusal surface is almost square

A

lower second molar

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9
Q

this tooth is diamond shaped, with the longer diagonal extending from the mesiobuccal to the distopalatal cusp

A

upper first molar

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10
Q

the two cusps are similar in height and width due to a marked reduction in the size of the buccal cusp

A

upper second premolar

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11
Q

the lingual surface has two pronounced marginal ridges, where the ridges meet at the cervix, they enclose a depression or a fossa.

A

upper lateral incisor

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12
Q

looking at the crown from the mesial and sital aspects, it appears as a wedge shape and leans lingually, there are faint marginal ridges and a small cingulum

A

lower lateral incisor

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13
Q

the distopalatal cusp is greatly reduced and may be absent. this makes the shape of the crown more triangular

A

upper second molar

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