maxillary 2nd molars

Question 1

What is the function of the maxillary 2nd molar?

Answer 1

It supplements the 1st molar in function.

Question 2

How do the maxillary 2nd molars compare to the 1st molars in size and shape?

Answer 2

They are similar in size and shape

Question 3

What feature do maxillary 2nd molars have more of compared to the 1st molars?

Answer 3

supplemental grooves.

Question 4

At what age do the maxillary 2nd molars typically erupt?

Answer 4

11-13 years of age.

Question 5

What are the tooth numbers for the maxillary 2nd molars?

Answer 5

Teeth #2 and #15.

Question 6

How does the crown of the maxillary 2nd molar compare to the 1st molar in terms of occlusal height?

Answer 6

The crown is shorter than the maxillary 1st molar occlusally.

Question 7

How is the crown of the maxillary 2nd molar in terms of mesio-distal width?

Answer 7

The crown is narrower mesio-distally.

Question 8

How does the distobuccal cusp appear on the maxillary 2nd molar?

Answer 8

The distobuccal cusp is smaller on the maxillary 2nd molar.

Question 9

How are the buccal roots of the maxillary 2nd molar positioned?

Answer 9

The buccal roots are the same length and are closer together.

Question 10

How does the distobuccal root of the maxillary 2nd molar appear?

Answer 10

The distobuccal root is straighter with no mesial curvature.

Question 11

Is there evidence of a Cusp of Carabelli on the maxillary 2nd molar?

Answer 11

No

Question 12

How does the distolingual (DL) cusp appear on the maxillary 2nd molar?

Answer 12

The DL cusp is getting smaller.

Question 13

How are the roots positioned in the lingual view of the maxillary 2nd molar?

Answer 13

The roots are closer together.

Question 14

From the lingual view what happens when a line is drawn through the DL cusp of the maxillary 2nd molar?

Answer 14

will bisect the apex of the lingual root.

Question 15

How does the crown of the maxillary 2nd molar compare to the 1st molar in the mesial view?

Answer 15

The crown is shorter than the first molar.

Question 16

How are the roots positioned in the mesial view in the maxillary 2nd molar?

Answer 16

The roots are closer together.

Question 17

Which root is larger in the mesial view on the maxillary 2nd molar?

Answer 17

The MB root is larger than the DB root.

Question 18

How many roots are visible from the distal view of the maxillary 2nd molar?

Answer 18

All 3

Question 19

How do the roots of the maxillary 2nd molar appear from all angles?

Answer 19

The roots are within the confines of the tooth from all angles.

Question 20

Where is the facial height of contour (H of C) on the maxillary 2nd molar?

Answer 20

gingival 1/3.

Question 21

Where is the lingual height of contour (H of C) on the maxillary 2nd molar?

Answer 21

middle 1/3.

Question 22

How does the distal lingual cusp appear on the maxillary 2nd molar?

Answer 22

The distal lingual cusp is smaller.

Question 23

What is notable about the anatomy of the maxillary 2nd molar?

Answer 23

There is more supplemental anatomy.

Question 24

How does the occlusal outline of the maxillary 2nd molar appear?

Answer 24

Either or but less rhomboidal and more heart-shaped, due to the decrease in size of the DL cusp.

Question 25

If the DL cusp is absent it was have what shape?

Answer 25

A heart shape

Question 26

If the DL cusp is present it was have what shape?

Answer 26

romboidal

Question 27

What is a characteristic of the fifth cusp on the maxillary 2nd molar?

Answer 27

It is very small

Question 28

The MB and DL line angles of the maxillary 2nd molar are more?

Answer 28

Acute

Question 29

The ML and DB line angles of the maxillary 2nd molar are more?

Answer 29

Obtuse

Question 30

What cusp is smaller and less developed on the maxillary 2nd molar compared the first?

Answer 30

Distal lingual cisp