Chapter 5- Molars

Question 1

all of the following fossae are found on a mandibulaf first molar except

Answer 1

buccal fossae

Question 2

on a 5 cusped molar, which cusp does not have a triangular ridge that forms part of a transverse ridge?

Answer 2

distal

Question 3

True or False. The distobuccal groove is unique to the second molar, starts at the central groove and extends between the distobuccal and distal cusps.

Answer 3

false (first molar)

Question 4

on a mandibular second molar, where is the mesial contact point?

Answer 4

junction of middle and buccal third

Question 5

on some ___ molars, there may be a small 5th cusp called the cusp of carabelli on the ___ lingual surface.

Answer 5

first, lingual

Question 6

this tooth can have a 5th cusp, Cusp of Carabelli, located on the lingual surface of the ___ cusp

Answer 6

maxillary 1st molar, mesiolingual

Question 7

what is the mesial contact pint of the maxillary 1st molar?

Answer 7

junction of occlusal and middle thirds

Question 8

the mesiolingual cusp of the tooth is larger than the distolingual cusp.

Answer 8

maxillary 1st molar

Question 9

on the mesial, the roots of this tooth usually extend wider than the crown.

Answer 9

maxillary 1st

Question 10

the ____ marginal ridge is located more cervically than the ____ marginal ridge on both 1st & 2nd molars.

Answer 10

distal, mesial

Question 11

which mandibular molar has a wide mesial root with a blunted tip?

Answer 11

mandibular 1st

Question 12

which mandibular molar has 5 cusps? what are they called?

Answer 12

mandibular 1st: mesiobuccal, distobuccal, distal cusp (smallest), mesiolingual, distolingual

Question 13

____ has a distal contact area more cervical than the mesial contact area.

Answer 13

mandibular 1st

Question 14

____ marginal ridge of mandibular molars are shorter allowing full view of all molar cusps whereas the ____ marginal ridge only shows visibility of the buccal & lingual cusp.

Answer 14

distal marginal ridge (v-shape, low) mesial marginal ridge

Question 15

which mandibular molar has a buccal and lingual groove that intersects and creates a “+” shape across central groove?

Answer 15

mandibular 2nd

Question 16

comparing the first and second mandibular molars this molar has a more prominent cervical ridge?

Answer 16

mandibular 2nd

Question 17

how many roots does a maxi alley molar have? where?

Answer 17

3 (mesiobuccal, distobuccal, and lingual

Question 18

which molar is likely to have 5 cusps?

Answer 18

mandibular 1st

Question 19

there is no distobuccal groove on which mandibular molar?

Answer 19

mandibular 2nd

Question 20

which mandibular molar has shorter root trunk?

Answer 20

mandibular 1st

Question 21

which mandibular crown tapers more lingually?

Answer 21

mandibular 1st

Question 22

which molar has a probability of a having a functionless 5th cusp on its lingual?

Answer 22

mandibular 1st

Question 23

T or F. from the buccal or lingual views, both maxillary and mandibular molars are wider occlusocervically than mesiodistally.

Answer 23

false, wider mesiodistally than occlusocervically

Question 24

which mandibular 1st or 2nd molar has 3 buccal cusps?

Answer 24

mandibular 1st

Question 25

which of these functions is not applicable for molars?

Answer 25

tearing

Question 26

T or F. Molars have a occlusal surface larger than any other tooth

Answer 26

true

Question 27

what is the largest fossae of maxillary molars?

Answer 27

central fossa

Question 28

what maxillary molar groove appears to be continuation of the central groove?

Answer 28

distal oblique groove

Question 29

is the third molar crowns bigger or smaller than the first and second molars?

Answer 29

smaller

Question 30

T or F. Deep grooves are normally found on the buccal surfaces of maxillary molar.

Answer 30

False. deep grooves are found on the lingual surfaces of maxim molars.

Question 31

difference that can be noted on most 3rd molar roots in comparison to the first and second molar?

Answer 31

roots are fused

Question 32

which cusp is most likely to be absent on maxillary second molar?

Answer 32

distolingual cusp

Question 33

when a distolingual cusp is absent, which groove(s) would not be present?

Answer 33

distal oblique groove

Question 34

which fossae is the largest on a maxillary first molar?

Answer 34

central

Question 35

which cusp is the largest and longest on a maxillary second molar?

Answer 35

mesiolingual cusp

Question 36

the triangular ridges of which two cusps form the transverse ridge on most maxillary molars?

Answer 36

mesiolingual and mesiobuccal triangular ridges

Question 37

longest lingual root is bent like a banana?

Answer 37

maxillary 1st molar

Question 38

has slight con abort on the distal root trunk, located between the distobuccal root and cervical line. This cavity is had to keep clean.

Answer 38

maxillary 1st molar

Question 39

lingual root is straighter, roots spread out less?

Answer 39

mandibular 2nd molar

Question 40

lingual root extend much further out than the crown?

Answer 40

maxillary 1st molar

Question 41

on both maxillary molars which cervical line has a greater curvature?

Answer 41

🤷🏾‍♀️

Question 42

roots (3)

Answer 42

lingual longest

distobuccal shortest

Question 43

2 roots

Answer 43

mesial- longer and wider

distal- shorter and narrower

Question 44

cusps on mandibular first molars

Answer 44

lingual cusps are higher

Question 45

height of contour

Answer 45

lingual height of contour higher up than buccal height of contour