Bcd Dental Anatomy Final

Front 1

at 9 months, _____ is the first to erupt

all tooth crowns have completely formed except for:

Back 1

primary mandibular central incisor

second molars

Front 2

calcification schedule weeks in utero

maxillary

mandibular

Back 2

14
16
17
15
19*

14
16
17
15.5
18

Front 3

age at which dentition appears normal to parents

Back 3

8 years

Front 4

order of eruption of maxillary permanent teeth

Back 4

2
3
6
4
5
1
7
8

Front 5

primitive cusp names

Back 5

MF- paracone
ML- metacone
DF- protocone
DL- hypocone

Front 6

at 11 years of age the ________ emerges slightly before the ________

Back 6

mandibular second premolar before maxillary canine

Front 7

______ fibers resist forceful impaction
______ fibers maintain continguous prox contact

Back 7

oblique
transseptal

Front 8

max anterior teeth contact areas

Back 8

midline: incistal third
distal central: junction of I and M
mesial lateral: junction of I and M
distal lateral: middle 3rd
mesial canine: junction of I and M
distal canine: middle 3rd

Front 9

how are primary mandibular canines different than primary maxillary canines

Back 9

cusp tip is mesial of center

Front 10

cusp sizes for primary first molar
a transverse ridge is present on the ______ half of the tooth

sizes for primary mandibular 2nd molar

Back 10

mesiofacial, mesiolingual, distofacial, distolingual
mesial

same as first molars

Front 11

prominent line angle on primary mandibular first molars

crown outline is:

Back 11

mesiofacial

rhomboidal

Front 12

roots of primary mandibular 2nd molars are narrow _______ and wide _________

_____ root is longer than the ____ root

apical dip at:

Back 12

narrow mesiodistally
wide faciolingually

mesial root is longer

area of bifurcation

Front 13

perm max lateral incisor crown length is 1-1.5 mm _____ than max central incisor

crown width is 2 mm ____ than max central incisor

crown outline is ______ shaped with the shorter parallel side at __________

mesial contact is at the _________
distal contact is at the __________

Back 13

shorter

less

trapezoidal with shorter parallel side at the cervix

mesial: junction of I and M
distal: middle of middle 3rd

Front 14

max central incisor ____ width is greater than ______ diameter

more developed line angle:

Back 14

mesiodistal width greater than faciolingual diameter

mesiofacial

Front 15

root surface depression on mandibular central incisors is _____ distally than on the mesial side

will apex of root line up with faciolingual long axis bisector?

Back 15

deeper

yes

Front 16

distal view of maxillary canine

where is there a pronounced concavity?

root surface depression on distal is ______ than mesial but not as __________

cusp tip lined up with root tip?

Back 16

cervical to distal contact area

deeper, not as signficant

yes

Front 17

facial view of permanent mandibular canine

crown length is ____ than max canine (1 mm)

crown width is _____ than max canine (.5mm)

mesial contact
distal contact

Back 17

longer
narrower

mesial: incisal third
distal: middle third

Front 18

mesial view of maxillary 2nd premolar

lingual cusp is more:

facial cusp is more:

Back 18

lingual cusp is more lingual (closer to vertical line marking greatest lingual curvature)

facial cusp is centered between greatest facial curvature and long axis bisector

Front 19

permanent maxillary FIRST premolar lingual cusp is (more/less) pointed than facial cusp

Back 19

less pointed

Front 20

mandibular second premolar

convergence?

order of cusp size largest to smallest

Back 20

no lingual convergence seen

facial > mesiolingual > disolingual

Front 21

order of cusp sizes for maxillary 1st molars

known for having well-developed

Back 21

mesiolingual, mesiofacial, distolingual, distofacial

distolingual cusp

Front 22

maxillary 2nd molars

mesiofacial cusp is most _____ placed cusp

distolingual cusp is most ____ placed cusp

both of these have (acute/obtuse) line angles

Back 22

MF

DL

acute line angles

Front 23

maxillary 2nd molars

triangular ridge of ______ cusp and the distal cuspal ridge of the _____ cusp meet closer to the central put than on (this tooth)

Back 23

distofacial
mesiolingual

max 1st molar

Front 24

cusp size order of maxillary 3rd molars largest to smallest

Back 24

mesiofacial, mesiolingual, distofacial, distolingual

Front 25

mandibular first molars

root trunk measures ___ on average

depression between the roots gets more _____ as it extends occlusally

does it cross cervical line?

Back 25

3 mm

shallow

NO

Front 26

MANDIBULAR FIRST MOLARS mesial view

angulation of triangular ridge of mesiofacial cusp is ________ to the marginal ridge
angle of triangular ridge of mesiolingual cusp is _______ in relation to mesial marginal ridge

Back 26

parallel

30 degrees

Front 27

mand first molars distal view

distal cusp comprises the ________ which is also slightly _____ to the faciolingual vertical bisector of the crown

the distofacial cusp tip is slightly ______ to the distal cusp tip

Back 27

distal contact area, facial to midline bisector

facial

Front 28

mand first molars occlusal view

4 major developmental grooves:

central groove runs through these pits

distofacial groove extends from central groove in a _______ direction at the (shallowest/deepest) part of the sulcus between these 2 cusps _____&______ onto the facial surface

lingual groove starts ____ and travels (a lot/ not much) over to the lingual surface

Back 28

central, distofacial, mesiofacial, lingual

distal triangular, central, mesial triangular

distofacial direction, deepest part, between distal and distofacial cusps

at central pit, minimally travels

Front 29

mandibular 2nd molars have a _____ crown outline

converges toward the _____

occlusal table is ____ shaped

Back 29

truncated rectangle

converges towards distal

rectangular

Front 30

pits of mandibular 3rd molars

Back 30

central, facial, mesial triangular and distal triangular

Front 31

max first premolar roots usually have ______ root(s)

almost always will have _____ and ______

______ root depression that ____ in width occlusally from bifurcation to cervical line

Back 31

2 roots

2 root canals and 2 apical foramina (even if only 1 root)

deep depression, increases in width occlusally

Front 32

max first molars have concavity ________

____ root presents (narrow/wide) but (deep/shallow) depression that encompasses the _____, ______ and small portion of ____ third of root)

extension across onto the crown?

Back 32

at trifurcation area

mesiofacial root

wide/shallow depression

cervical, middle, bit of apical

NO

Front 33

maxillary 1st premolars

internal anatomy is similar to _________

_____ pulp horn is taller than the _____ one

facial portion of pulp has larger ______ measurement than the -_____ portion

crescent shape in these 2 cross sections

Back 33

maxillary canines

facial pulp horn is taller than lingual

facial pulp has larger faciolingual measurement than lingual portion

cervical and mid-root

Front 34

max first molars
_____ root usually has 2 pulp canals

Back 34

mesiofacial

Front 35

mandibular 1st molars

pulp horns are taller in ___ cusps than ____ cusps

almost always 2 pulp canals in ___ root

___ roots seen in 90% of samples

roots that can be seen in 10%

Back 35

taller in mesial cusps than distal

mesial root

2 roots

mesial, distofacial, distolingual

Front 36

missing lingual cusp can happen on:

accessory roots most often occur on:

Back 36

mand first premolar

thrid molars, canines and premolars