Permanent Mandibular Premolars Flashcards

1
Q

mandibular blank premolars are often congenitally missing

A

second

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2
Q

two common types of mandibular 2nd premolars

A

two cusp, three cusp

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3
Q

two cusp has one blank and one blank cusp

A

buccal, lingual

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4
Q

three cusp has blank buccal and blank lingual cusps

A

1, 2

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5
Q

generally, crown is much narrower on the lingual than on the facial except the second premolar with 2 lingual cusps where it can be as wide or wider than the blank

A

facial (buccal)

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6
Q

first premolar has a very blank lingual cusp

A

small

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7
Q

second premolar with 2 lingual cusps will have a larger blank

A

mesiolingual cusp ridge

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8
Q

in all teeth, facial HOC is in the blank third

A

cervical

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9
Q

first premolar lingual HOC is in the blank third

A

middle

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10
Q

first and second premolar tilt toward the blank side but not as much as first premolar

A

lingually

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11
Q

first premolar has a blank ridge because of blank ridges

A

transverse, triangular

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12
Q

second premolar does not have blank

A

transverse ridges

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13
Q

second molar three cusps means three blank

A

fossae

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14
Q

great amount of variation in blank

A

mandibular premolars

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