quiz

Question 1

which grooves radiate out from the cental fossa in a mandibular second molar

Answer 1

central, lingual, buccal

Question 2

which cusp is the largest and longest on a mandibular second molar

Answer 2

mesiolingual

Question 3

which cusp may be absent on a mandibular first molar

Answer 3

distal

Question 4

when the distal cusp is absent on mandibular first molar, which groove(s) would not be present

Answer 4

mesiobuccal and distobuccal

Question 5

which fossae are found on a mandibular first molar

Answer 5

mesial triangular, distal triangular, central

Question 6

which development groove connects with the lingual groove running in the same direction on a mandibular second molar

Answer 6

buccal

Question 7

from which view is only one root visible on a mandibular first molar

Answer 7

mesial

Question 8

which root may occasionally be divided or bifurcated on a mandibular first molar

Answer 8

mesial

Question 9

which cusp triangular ridge does not meet to form a transverse ridge on a five-cusp first molar

Answer 9

distal

Question 10

which ridges form the boundaries of the mesial triangular fossa of a mandibular molar

Answer 10

triangular ridge of mesiobuccal cusp, triangular ridge of mesiolingual cusp, mesial marginal ridge

Question 11

which two pairs of cusp triangular ridges make up or join to form the two transverse ridges on a mandibular second molar

Answer 11

mesiobuccal and mesiolongual and distobuccal and distolingual

Question 12

list in sequential order the longest to shortest cusps on the mandibular first molar

Answer 12

mesiolingual, distolingual, mesiobuccal, disobuccal, distal

Question 13

which three grooves radiate out from the central fossa in a maxillary first molar

Answer 13

central, transverse groove of oblique ridge, buccal

Question 14

which cusp on a maxillary first molar has two ridges; one that forms part of the transverse ridge and the other that forms part of an oblique ridge

Answer 14

mesiolingual

Question 15

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

Answer 15

mesiolingual

Question 16

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

Answer 16

distolingual

Question 17

when the distolingual cusp is absent on a maxillary second molar, which groove(s) would not be present

Answer 17

distal oblique and lingual

Question 18

of the four fossae on a maxillary first molar, which is the largest

Answer 18

central

Question 19

from which view are only two roots visible on a maxillary first molar

Answer 19

mesial

Question 20

which grooves are likely to radiate out of the mesial triangular fossa on the maxillary first molar

Answer 20

mesiobuccal fossa, mesiolingual fossa, mesial marginal ridge groove, central

Question 21

WHICH TWO CUSPS HAVE THE RIDGES THAT MAKE UP OR JOIN TO FORM THE OBLIQUE ridge on a maxillary molar

Answer 21

distobuccal and mesiolingual

Question 22

which two cusps have a triangular ridge that make up or join to form a transverse ridge on most maxillary molars

Answer 22

mesiobuccal and mesiolingual

Question 23

list in sequential order the largest to smallest cusp area on the maxillary first molar

Answer 23

mesiolingual, mesiobuccal, distobuccal, distolingual, cusp carbelli if present

Question 24

__ molars have mesiodistal greater than faciolingual

Answer 24

mandibular molars

Question 25

__molars have faciolingual greater than mesiodistal

Answer 25

maxillary

Question 26

lingual HoC for all molars

Answer 26

middle third

Question 27

facial HoC for molars

Answer 27

cervical third

Question 28

mesial contact for all molars located

Answer 28

near junction of middle/occlusal thirds

Question 29

distal contact on all molars

Answer 29

more cervical near middle third

Question 30

__crowns tilt lingually relative to root axis

Answer 30

mandibular

Question 31

__crowns are more centered over the root with no lingual tilt

Answer 31

maxillary

Question 32

maxillary roots (3)

Answer 32

lingual is longest distobucal is shortest mesiobuccal is wider than distobuccal

Question 33

mandibular roots (2)

Answer 33

mesial longer and wider than distal

Question 34

__molars are normally wider mesiodistally than occlusocervically

Answer 34

mandibular molars

Question 35

mandibular first molars have two __ grooves, what are they

Answer 35

2 buccal grooves (mesiobuccal and distobuccal)

Question 36

proximal contacts of molars

Answer 36

mesial =juntion of middle and occlusal thirds distal = near middle third

Question 37

buccal HoC for mandibular molars

Answer 37

cervical third

Question 38

lingual HoC for mandibular molars

Answer 38

middle third

Question 39

lingual cusps are more pointed and longer than buccal cusps on which molars

Answer 39

mandibular

Question 40

on mandibular molars, __marginal ridge is more cervical than __ marginal ridge

Answer 40

distal marginal ridge is more cervical than mesial marginal ridge

Question 41

mesiobuccal + mesiolingual =

Answer 41

mesial transverse ridge

Question 42

distobuccal + distolingual=

Answer 42

distal transverse ridge

Question 43

on mandibular molars, which embrasure (lingual or buccal) is greater

Answer 43

lingual is greater

Question 44

possible extra lingual cusp on mandibular molars

Answer 44

tuberculum intermedium

Question 45

extra cusp on distal marginal ridge of first molar is called

Answer 45

tuberculum sextum

Question 46

mandibular cusp height in order from highest to lowest

Answer 46

ML, DL, MB,DB,D

Question 47

mandibular cusp size largest to smallest

Answer 47

ML,MB/DL,Db,D

Question 48

maxillary cusp length and size from greatest to least

Answer 48

ML,MB,DB,DL

Question 49

where to probe to try and find bifurcation between roots

Answer 49

midbuccal and midlingual

Question 50

in maxillary molars, __ separates the mesiobuccal and distbuccal cusps but is not caries prone

Answer 50

bucccal groove

Question 51

on maxillary molars, lingual or buccal grooves and pits are caries prone

Answer 51

lingual grooves and pits

Question 52

maxillary molars, bears MB,ML, and DB cusps

Answer 52

trigon

Question 53

bears DL and D

Answer 53

talon

Question 54

if 4 cusp type maxillary molar, __ridge from mesiolingual to mesiobuccal cusp

Answer 54

transverse ridge

Question 55

if 4 cusp type maxillary molar, __ ridge from distobuccal triangular ridge and distal cusp ridge of the mesiolingual cusp

Answer 55

obilque ridge

Question 56

___molars may be covered with tissue flap called operculum

Answer 56

3rd molars

Question 57

pulp cavity is made of

Answer 57

chamber and canal

Question 58

root canals; one canal to one foramina

Answer 58

type 1

Question 59

root canals; two separate canals join at one apical foramina

Answer 59

type II

Question 60

root canals; two separate canals from chamber continue to two separate apical foramina

Answer 60

type III

Question 61

root canals; one canal from chamber but splits to two canals and two apical foramina

Answer 61

type IV(4)

Question 62

pulp horns; these teeth often have 3 pulp horns; mesial, central, and distal correctlating with 3 facial lobes and 3 mamelons

Answer 62

incisors

Question 63

__ have one pulp horn under one cusp

Answer 63

canines

Question 64

for incisor pulp horns, which are very pronounced and which one is suttle

Answer 64

mesial and distal are pronounced while central is suttle

Question 65

__ is the only anterior tooth that may have 2 roots

Answer 65

mandibular canine

Question 66

normally one pulp horn per __

Answer 66

functional cusp

Question 67

mandibular first premolars may have only one pulp horn because

Answer 67

nonfunctional lingual cusp

Question 68

__molars most often have 3 roots and 4 canals (2 in MB root) and four orifices in the chamber

Answer 68

maxillary molars

Question 69

__molars most often have tw o roots but 3 canals (3 in mesial) and 3 orificesin the chamber floor

Answer 69

mandibular molars