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Dental Anatomy > Maxillary 2nd and 3rd Molars > Flashcards

Maxillary 2nd and 3rd Molars Flashcards

1
Q

Which is smaller the Maxillary 1st or 2nd molar

A

2nd

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2
Q

The apex of the palatal (lingual) root on the maxillary 2nd molar is pointed towards…

A

distal

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3
Q

Buccal HOC for maxillary 2nd molar

A

Cervical third

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4
Q

Cusp size for maxillary 2nd molar in order of largest to smallest

A

(same as maxillary 1st molar) ML-MB-DB-DL

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5
Q

Lingual HOC for maxillary 2nd molar

A

Middle third

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6
Q

Mesial contact for maxillary 2nd molar

A

middle third

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7
Q

Distal contact for maxillary 2nd molar

A

middle third

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8
Q

T/F: Similarly to the maxillary 1st molar, the maxillary 2nd molar also has a distal concavity

A

F

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9
Q

Which is greater (larger) for the maxillary 2nd molar: the MD(B) dimensions or MD(L) dimensions

A

MD (B)

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10
Q

What are the two different shapes of the maxillary 2nd molar occlusal table

A

Rhomboidal and Heart shaped

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11
Q

When will the occlusal table for the maxillary 2nd molar be heart shaped

A

when the DL cusp is very tiny or absent

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12
Q

Describe the grooves and pits for the maxillary 2nd molar

A

same as maxillary 1st molar

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13
Q

Which cusp is smaller on the maxillary 2nd molar than the maxillary 1st molar

A

DL

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14
Q

What is the eruption time for the maxillary 3rd molar

A

17-21 years

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15
Q

maxillary 3rd molar is the (smallest/biggest) molar

A

smallest

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16
Q

T/F: The maxillary 3rd molar is the most variable tooth in the maxillary arch

A

t

17
Q

What crown shape is most common for maxillary 3rd molar

A

heart shaped

18
Q

Roots in maxillary 3rd molar are most commonly (separated/ fused)

A

fused

19
Q

maxillary 3rd molar with (what number of) roots is most common

A

3- either partially or completely fused

20
Q

T/F: maxillary 3rd molar are often congenitally missing or impacted

A

T

21
Q

maxillary 3rd molar with 2 buccal cusps and 1 lingual cusp have (crown shape)

A

heart shaped

22
Q

maxillary 3rd molar with 2 buccal cusps and 2 lingual cusps have (crown shape)

A

heart shaped

23
Q

maxillary 3rd molar with 1 continuous cusp has (crown shape)

A

rectangle

Dental Anatomy (10 decks)

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