Mandibular Molars

Question 1

Name the five cusps of the mandibular first molar

Answer 1

Mesiolingual 
Mesiobuccal
Distolingual
Distobuccal
Distal

Question 2

Name the roots of the mandibular first molar

Answer 2

Distal and mesial

Question 3

The mandibular first molar is wider _____ than ______

Answer 3

Mesiodistally than buccuolingually (by about 1mm)

Question 4

Which root of the mandibular first molar is most broad?

Answer 4

Mesial root

Question 5

True or false… if viewed from the lingual view, you can see all five cusps of the mandibular first molar

Answer 5

False… you can see all five from the buccal view

Question 6

Why can you see the lingual cusps from the buccal view of the mandibular first molar?

Answer 6

Lingual cusps are longer

Question 7

Name the developmental grooves of the mandibular first molar that can be seen from the buccal view

Answer 7

Mesiobuccal

Distobuccal

Question 8

The two buccal cusps of the mandibular first molar are relatively ____ with ____ curvature of the cusp ridge

Answer 8

Flat

Less

Question 9

Which cusp viewed from the buccal view of the mandibular first molar is smaller and more pointed?

Answer 9

Distal cusp

Question 10

On the mandibular first molar, buccal view, which cusp is the widest?

Answer 10

Mesiobuccal

Question 11

Out of the developmental grooves on the buccal surface of the mandibular first molar, which is shortest?

Answer 11

Mesiobuccal is shortest and ends mid crown. Situated a little mesial to root bifurcation

Question 12

The mesial outline from the buccal view of the mandibular first molar is _____ at the cervical third and _____ at contact area

Answer 12

Concave

Convex

Question 13

The mandibular first molar, buccal view, the distal outline is ____ above the cervical line, then _____ at contact area

Answer 13

Straight

Convex

Question 14

The mandibular first molar, in the buccal view, the mesiodistal width is _____ wider at contact than at the cervix

Answer 14

1.5-2

Question 15

True or false… from the buccal view of the mandiblaur first molar, you may see the mesial surface of the distal root and mesial surface of mesial root

Answer 15

False. You can see the distal portions of each of the roots

Question 16

From the lingual view of the mandibular first molar, roots are about 1mm ____ from the lingual

Answer 16

Longer

Question 17

From the buccal view of the mandibular first molar, the distal outline of the mesial root is _____ from bifurcation to apex

Answer 17

Concave

Question 18

On the mandibular first molar, which root is more curved?

Answer 18

Mesial root

Question 19

On the mandibular first molar, both roots are ___ at the buccal than they are at the lingual

Answer 19

Wider

Question 20

The point of bifurcation of the roots from the buccal view of the mandibular first molar is ____ below the cervical line

Answer 20

3mm

Question 21

From the lingual view of the mandibular first molar, which cusps are seen?

Answer 21

Two lingual, and distal cusp

Question 22

True or false. From the lingual view of the mandibular first molar, you cannot see the buccal cusps because the two lingual cusps are too tall

Answer 22

True

Question 23

On the mandibular first molar the ______ cusp is the wides mesiodistal and cusp tip is ____

Answer 23

Mesiolingual

Highest

Question 24

The _____ separates the two lingual cusps and goes down onto the lingual surface for a ____ distance

Answer 24

Lingual developmental groove

Short

Question 25

On the mandibular first molar, Where the lingual cusp ridges meet at the groove, the angle is ____ more so than the angels at the cusp tips

Answer 25

Obtuse

Question 26

What is a characteristic of the cervical line from the lingual view of the mandibular first molar?

Answer 26

Irregular with a point in direction of the bifurcation below it

Question 27

True or false... on the mandibular first molar, the bifurcation groove is almost in line with the lingual developmental groove

Answer 27

True

Question 28

From the mesial view of the mandibular first molar, you can see a _____ _____ to crown with its lingual tilt

Answer 28

Rhomboidal

Question 29

On the mandibular first molar, the buccolingual measurement of crown is greater at the ___ than the ____

Answer 29

Mesial Distal

Question 30

The buccolingual measurement of crown and root of the mandiblaur first molar is 2mm ____ than the measurement of the second premolar

Answer 30

Greater

Question 31

The ____ cusp of the mandibular first molar is longer than the buccal cusp in the premolar

Answer 31

Lingual

Question 32

From the mesial view of the mandibular first molar, the outline of the buccal is ____ from just above the cervical line with the buccal cervical ridge located in the ______ third

Answer 32

Convex Cervical

Question 33

On the mandibular first molar, the mesiobuccal cusp is just above the ____ third of the mesial root

Answer 33

Buccal

Question 34

Both of the roots on the mandibular first molar are wider at the _____ than the _____

Answer 34

Buccal Lingual

Question 35

On the mandibular first molar, which root is more curved?

Answer 35

Mesial root

Question 36

The bifurcation groove is almost in line with the ____ developmental groove

Answer 36

Lingual

Question 37

The buccolingual measurement of the crown is greater at the ____ than the ____

Answer 37

Mesial Distal

Question 38

Which cusp on the mandibular first molar is the tallest?

Answer 38

Mesiolingual

Question 39

Which tooth, mandibular first or second molar, has a cervical line that points more sharply towards the bifurcation?

Answer 39

Mandibular second molar

Question 40

True or false... the mandibular second molar has a crown and root that converge lingually to a greater degree than the first

Answer 40

False, it is to a lesser degree than the first molar

Question 41

Which cusp is present in the mandibular first molar but no the mandibular second?

Answer 41

Distal cusp

Question 42

Which tooth has its occlusal surface divided into 4 equal parts, dividing by right angles?

Answer 42

Mandibular second molar

Question 43

If you are missing your mandibular right third molar, which tooth is likely to also be missing.. mandibular left third molar or maxillary right third molar?

Answer 43

Mandibular left third molar