15. Mn 1st and 2nd Molars

Question 1

Facial view: 1st Molar

Lingual cusps are _ than the facial cusps

Answer 1

taller

Question 2

Facial view: 1st Molar

Lingual cusps are more _ than facial cusps

Answer 2

pointed

Question 3

Facial view: 1st Molar

2 grooves are present: _ and _

Answer 3

MF groove

DF groove

Question 4

Facial view: 1st Molar

The MF groove is the _ of the 2 facial grooves, often ending in a buccal of facial pit that often requires restorations

Answer 4

shortest

Question 5

Facial view: 1st Molar

The cervical line dips down _

Answer 5

apically

Question 6

Facial view: 1st Molar

Mesial outline is somewhat _ in its cervical 1/3 while the distal is straight or convex

Answer 6

concave

Question 7

Facial view: 1st Molar

A deep depression is found on the root that gets more _ as it moves occlusally

Answer 7

shallow

Question 8

Facial view: 1st Molar

The two roots at typically _ and more divergent than those of the 2nd and 3rd molars

Answer 8

longer

Question 9

Facial view: 1st Molar

The mesial root is _ than the distal root with its mesial outline being convex

Answer 9

longer

Question 10

Facial view: 1st Molar

Both roots from the facial view are _ MD than when viewed from the lingual

Answer 10

wider

Question 11

Lingual view: 1st Molar

Tooth converges towards the _

Answer 11

lingual

Question 12

Lingual view: 1st Molar

ML cusp will be somewhat _ and wider than the DL cusp

Answer 12

taller

Question 13

Lingual view: 1st Molar

The cervical half of the entire lingual surface is relatively _ and flat

Answer 13

smooth

Question 14

Lingual view: 1st Molar

Total root length is _ on the lingual surface due to the cervical line being 1mm closer to the occlusal

Answer 14

longer

Question 15

Mesial view: 1st Molar

Greatest curvature of facial outline is in the _ third while on the lingual it is _ third

Answer 15

cervical

middle

Question 16

Mesial view: 1st Molar

Only the _ cusps are visible since they are taller

Answer 16

mesial

Question 17

Mesial view: 1st Molar

Anatomical crown length measures the same _ and lingually

Answer 17

facially

Question 18

Mesial view: 1st Molar

Mesial root is visible only since it is _ faciolingually

Answer 18

wider

Question 19

Mesial view: 1st Molar

Mesial root apex is in line with the _ cusp and facial to the FL long axis bisector

Answer 19

MF

Question 20

Mesial view: 1st Molar

The facial outline of the mesial root is _ and straighter than the lingual outline

Answer 20

shorter

Question 21

Mesial view: 1st Molar

Mesial root has a wide developmental root depression which is found on both the mesial and _ surface

Answer 21

distal

Question 22

Distal view: 1st Molar

The distal cusp is said to be _ on the DF cusp

Answer 22

superimposed

Question 23

Distal view: 1st Molar
Longitudinal root depressions may be present on the mesial and distal aspects of the distal root, though they are _ FL and not as deep as those on the mesial root

Answer 23

narrower

Question 24

Occlusal view: 1st Molar

FL measurement is greatest in the _ half of the crown because of cervical ridges

Answer 24

mesial

Question 25

Occlusal view: 1st Molar | The facial half of crown is much _ than the lingual half

Answer 25

wider

Question 26

Occlusal view: 1st Molar | Tooth converges towards the _

Answer 26

lingual

Question 27

Occlusal view: 1st Molar | Mesial contact is located slightly _ to the FL bisector and about 1mm cervical to the MMR

Answer 27

facial

Question 28

Occlusal view: 1st Molar | Distal contact is located slightly _ to the FL bisector and about 1mm cervical to the distal ridge of the distal cusp

Answer 28

facial

Question 29

``` Occlusal view: 1st Molar Greatest size of cusp order: MF ML and DL _ Distal ```

Answer 29

DF

Question 30

``` Occlusal view: 1st Molar Greatest height of cusp order: ML _ MF DF D ```

Answer 30

DL

Question 31

Occlusal view: 1st Molar | There is _ major fossa and 2 minor

Answer 31

1

Question 32

Occlusal view: 1st Molar | There are _ major developmental grooves

Answer 32

4

Question 33

Occlusal view: 1st Molar | The groove pattern of this tooth is either _, W, or Y

Answer 33

M

Question 34

Occlusal view: 1st Molar | Each cusp has a triangular ridge, yet none of them meet, this means that there are no _ ridges

Answer 34

transverse

Question 35

Facial view: 2nd Molar | Crown is _ MD and shorter occlusocervically than the 1st molar

Answer 35

narrower

Question 36

Facial view: 2nd Molar | Lingual cusps are _ than the facial cusps

Answer 36

taller

Question 37

Facial view: 2nd Molar | Lingual cusps are _ and more pointed

Answer 37

sharper

Question 38

Facial view: 2nd Molar | One facial groove is present that _ only a short distance on the facial surface

Answer 38

extends

Question 39

Facial view: 2nd Molar | The 2 cusps are about _ in MD width

Answer 39

equal

Question 40

Facial view: 2nd Molar | Mesial root is longer than the distal and are generally _ together

Answer 40

close or fused

Question 41

Lingual view: 2nd Molar | The lingual convergence is typically _ than that of the 1st molar

Answer 41

less

Question 42

Lingual view: 2nd Molar Crown length is the same on the F and L surfaces with the _ cusps being taller due to the cervical line being higher occlusally on the lingual surface

Answer 42

lingual

Question 43

Mesial view: 2nd Molar | Greatest F curvature is in the _ third while the L is in the _ third

Answer 43

cervical | middle

Question 44

Mesial view: 2nd Molar | The tips of the _ cusps are nearer the FL long axis bisector

Answer 44

facial

Question 45

Mesial view: 2nd Molar | Mesial root has a root depression similar to that of the _ molar

Answer 45

1st

Question 46

Distal view: 2nd Molar | Distal surface is said to be more _ or convex, often placing the distal contact centered both FL and OC

Answer 46

rounded

Question 47

Occlusal view: 2nd Molar | All Mn molars are wider in their _ dimensions

Answer 47

MD

Question 48

Occlusal view: 2nd Molar | The distal outline is rounded while the mesial outline is more _

Answer 48

square

Question 49

Occlusal view: 2nd Molar | The tips of the _ cusps are usually located more lingually from the facial outline

Answer 49

facial

Question 50

Occlusal view: 2nd Molar | Central groove is slightly _ to the FL bisector

Answer 50

lingual

Question 51

Occlusal view: 2nd Molar | The 3 major grooves form a _

Answer 51

cross

Question 52

Occlusal view: 2nd Molar | Often many _ grooves associated with this tooth

Answer 52

supplemental

Question 53

Occlusal view: 2nd Molar | 2 _ ridges are present

Answer 53

transverse