Maxillary 2nd Molars (Ye's Version)

Question 1

Maxillary 2nd molars: General features

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

Answer 1

• Smaller
• Shorter
• More Rhomboidal

Question 2

Maxillary 2nd molars: Occlusal view

What are the 2 occlusal types for this tooth?

Answer 2

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

Question 3

Maxillary 2nd molars: Occlusal view

What is the most common occlusal type?

Answer 3

Rhomboidal - most common

Question 4

Maxillary 2nd molars:

Which cusp is smaller than the maxillary 1st molar?

Answer 4

DL cusp

Question 5

Do maxillary 2nd molars have a cusp of carabelli?

Answer 5

NO

Question 6

Maxillary 2nd molars: General features

Crown is _____ compared to 1st maxillary molar

Answer 6

Shorter

Question 7

Maxillary 2nd molars: General features

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

Answer 7

LONG or AS LONG
and more DISTALLY inclined

Question 8

What view and tooth?

Answer 8

Buccal; Maxillary 2nd molar

Question 9

What view and tooth?

Answer 9

Lingual; Maxillary 2nd molar

Question 10

What tooth & view?

Answer 10

Mesial; Maxillary 2nd molar

Question 11

What tooth & view?

Answer 11

Distal; Maxillary 2nd molar

Question 12

What tooth & view?

Answer 12

Maxillary 2nd Molar - Occlusal view

Question 13

What tooth & view?

Answer 13

Maxillary 2nd Molar - Buccal view

Question 14

What tooth & view?

Answer 14

Maxillary 2nd molar - Lingual view

Question 15

What tooth & view?

Answer 15

Maxillary 2nd molar - Mesial view

Question 16

What tooth & view?

Answer 16

Maxillary 2nd molar - Distal view

Question 17

What tooth & view?

Answer 17

Maxillary 2nd molar - Occlusal view

Question 18

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

Crown is ______ and narrower in the ____ direction

Answer 18

Shorter; narrower M-D

Question 19

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

_____ cusp is smaller

Answer 19

DB

Question 20

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

Roots are more ________

Answer 20

Parallel

Question 21

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

Roots inclined to _______

Answer 21

Distal

Question 22

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

____ root apex is in line with buccal groove

Answer 22

MB

Question 23

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

____ cusp much smaller

Answer 23

DL

Question 24

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

Lingual root is inclined to the _______

Answer 24

Distal

Question 25

Compared to Maxillary 1st molar, the maxillary 2nd molar: Lingual view The apex of the lingual root lines up with the _____ cusp tip.

Answer 25

DL

Question 26

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 _________.

Answer 26

Lingual groove

Question 27

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view 2nd molar has a _______ crown height

Answer 27

Shorter

Question 28

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view Which width is the same as the maxillary 1st molar?

Answer 28

BL

Question 29

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view Do the roots converge as much in 2nd maxillary molars?

Answer 29

NO; confined with crown width

Question 30

Compared to Maxillary 1st molar, the maxillary 2nd molar: Mesial view Contact area is in the _________ and offset to the _______

Answer 30

Middle 1/3 and buccal

Question 31

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view Crown converges towards the ________

Answer 31

Distal

Question 32

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view _____ & _____ cusps are smaller - much of the occlusal surface and _____ cusps are visible

Answer 32

DB DL ML

Question 33

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view Contacts area is in the _________ and offset to the _______

Answer 33

Middle 1/3 and buccal

Question 34

Compared to Maxillary 1st molar, the maxillary 2nd molar: Distal view How many roots are visible?

Answer 34

3 roots

Question 35

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view Max 2nd molar: More or less rhomboidal?

Answer 35

More Rhomboidal

Question 36

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view B-L dimension ________ to maxillary 1st molar, M-D is ______

Answer 36

Similar; smaller

Question 37

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view ____ and ____ cusps are less developed - tooth constricts toward the ______

Answer 37

DB and DL Distal

Question 38

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view Crown converges towards the ______

Answer 38

Lingual

Question 39

Compared to Maxillary 1st molar, the maxillary 2nd molar: Occlusal view (more/less) variable pit and groove anatomy?

Answer 39

MORE

Question 40

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

Answer 40

NO

Question 41

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

Answer 41

Heart-Shaped

Question 42

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

Answer 42

NOT as splayed L (13mm) > MB (12 mm) > DB (12mm)

Question 43

Maxillary 2nd Molar: Roots MB: ___ (most of the time) DB: ___ canal(s) Lingual: ___ canal(s)

Answer 43

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

Question 44

Maxillary 2nd molars: Proximal contacts Mesial: ________________ offset to the ______ Distal: ________________ offset to the ______

Answer 44

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

Question 45

Maxillary 2nd molars: Height of Contour (HOC) Buccal: _________ Lingual: _________

Answer 45

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