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Morph > Maxillary 2nd Molars (Ye's Version) > Flashcards

Maxillary 2nd Molars (Ye's Version) Flashcards

1
Q

Maxillary 2nd molars: General features

Crown is _______, _______, and more _______ than maxillary 1st molars.

A
  • Smaller
  • Shorter
  • More Rhomboidal
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2
Q

Maxillary 2nd molars: Occlusal view

What are the 2 occlusal types for this tooth?

A
  • Rhomboidal (resembles the 1st molar)
  • Heart shaped (resembles the 3rd molar)
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3
Q

Maxillary 2nd molars: Occlusal view

What is the most common occlusal type?

A

Rhomboidal - most common

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4
Q

Maxillary 2nd molars:

Which cusp is smaller than the maxillary 1st molar?

A

DL cusp

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5
Q

Do maxillary 2nd molars have a cusp of carabelli?

A

NO

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6
Q

Maxillary 2nd molars: General features

Crown is _____ compared to 1st maxillary molar

A

Shorter

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7
Q

Maxillary 2nd molars: General features

Roots are as __________ or _________ and MORE _________ inclined compared to 1st maxillary molars.

A

LONG or AS LONG
and more DISTALLY inclined

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8
Q

What view and tooth?

A

Buccal; Maxillary 2nd molar

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9
Q

What view and tooth?

A

Lingual; Maxillary 2nd molar

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10
Q

What tooth & view?

A

Mesial; Maxillary 2nd molar

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11
Q

What tooth & view?

A

Distal; Maxillary 2nd molar

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12
Q

What tooth & view?

A

Maxillary 2nd Molar - Occlusal view

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13
Q

What tooth & view?

A

Maxillary 2nd Molar - Buccal view

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14
Q

What tooth & view?

A

Maxillary 2nd molar - Lingual view

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15
Q

What tooth & view?

A

Maxillary 2nd molar - Mesial view

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16
Q

What tooth & view?

A

Maxillary 2nd molar - Distal view

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17
Q

What tooth & view?

A

Maxillary 2nd molar - Occlusal view

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18
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Buccal view

Crown is ______ and narrower in the ____ direction

A

Shorter; narrower M-D

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19
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Buccal view

_____ cusp is smaller

A

DB

20
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Buccal view

Roots are more ________

A

Parallel

21
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Buccal view

Roots inclined to _______

A

Distal

22
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Buccal view

____ root apex is in line with buccal groove

A

MB

23
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Lingual view

____ cusp much smaller

A

DL

24
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Lingual view

Lingual root is inclined to the _______

A

Distal

25
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Lingual view

The apex of the lingual root lines up with the _____ cusp tip.

A

DL

26
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Lingual view

The apex of the lingual view lines up with the DL cusp tip. In the maxillary 1st molar, the apex lines up with the _________.

A

Lingual groove

27
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view

2nd molar has a _______ crown height

A

Shorter

28
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view

Which width is the same as the maxillary 1st molar?

A

BL

29
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view

Do the roots converge as much in 2nd maxillary molars?

A

NO; confined with crown width

30
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view

Contact area is in the _________ and offset to the _______

A

Middle 1/3 and buccal

31
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view

Crown converges towards the ________

A

Distal

32
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view

_____ & _____ cusps are smaller - much of the occlusal surface and _____ cusps are visible

A

DB
DL

ML

33
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view

Contacts area is in the _________ and offset to the _______

A

Middle 1/3 and buccal

34
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view

How many roots are visible?

A

3 roots

35
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view

Max 2nd molar: More or less rhomboidal?

A

More Rhomboidal

36
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view

B-L dimension ________ to maxillary 1st molar,
M-D is ______

A

Similar; smaller

37
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view

____ and ____ cusps are less developed - tooth constricts toward the ______

A

DB and DL
Distal

38
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view

Crown converges towards the ______

A

Lingual

39
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view

(more/less) variable pit and groove anatomy?

A

MORE

40
Q

Is there a cusp of carabelli on maxilary 2nd molars?

A

NO

41
Q

Some maxillary 2nd molars do NOT have a _____ DL, which is called _______.

A

Heart-Shaped

42
Q

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view

The L, MB, and DB roots are (not as splayed/as splayed) splayed as they are in the maxillary 1st molar

A

NOT as splayed

L (13mm) > MB (12 mm) > DB (12mm)

43
Q

Maxillary 2nd Molar: Roots

MB: ___ (most of the time)
DB: ___ canal(s)
Lingual: ___ canal(s)

A

MB: 1 canal (most of the time)
DB: 1 canal
Lingual: 1 canal

44
Q

Maxillary 2nd molars: Proximal contacts

Mesial: ________________ offset to the ______
Distal: ________________ offset to the ______

A

Mesial: middle 1/3 offset to the buccal
Distal: middle 1/3 offset to the buccal

45
Q

Maxillary 2nd molars: Height of Contour (HOC)

Buccal: _________
Lingual: _________

A

Buccal: Cervical 1/3
Lingual: Middle 1/3

Morph (13 decks)

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