Part 1 Flashcards
calcification of primary roots completed?
3 -4 yo
eruption pattern of primary teeth
1) front to back except k9
2) lower before uppers except for laterals
primary spacing for anterior teeth is most frequently caused by
growth of dental arches
direction of PRIMARY enamel rods in the cervical 3rd points
occlusal direction
primary molars differ from permanent molars in that their____
roots more divergent
primary molars lack a ______ root ____
identifiable root trunk
root trunks are
cej to the furcation
primary mandibular central incisor has the smallest ______ crown dimension
faciolingual crown dimension
primary and perm man central incisros is _____ ____ tooth
bilaterally symmetrical tooth
in delayed resorption of primary incisors the permanentn incisors usually erupt _____
lingually [shark teeth]
primary central incisors exhibits a _____ ____ ___ both on the facial and lingual surfaces
prominent cervical ridge both facial and lingual
facial view the primary k9 has a ____ ___ slope longer than the __ ___ slope
mesial incisal slope
LONGER
than
distal incisal slope
cusp tip of the primary k9 is offset to ___
distal
mesio incisal slope of priamry k9 is longer than the distal incisal slope bc the cusp tip is offset to the distal
TF
TRUE
primary max 1st Molar the crown resembles
permanent ____
premolar
primary max 1st molar has how many roots ?
resembles _____ _____
3 roots
perm max molars so 3 roots
The most prominent cervical ridge is for _____ ___ ___ ___ on the ___ ___ surface
primary max 1st M
on the Mesial facial surface
which primary tooth has the oblique ridge
primary max 2nd Molar
what is the obilque ridge
triangular ridge of the DB cusp
and
distal cusp ridge of the ML cusp
which cusp is the cusp of caribelli on?
which primary tooth has the cusp of caribelli?
ML cusp
primary Max 2nd molar
the primary 2nd max molar is the only tooth with:
1
2
3
transverse ridge
oblique ridge
DL groove
what primary tooth is the last tooth to erupt
primary max 2nd molar
centrals [6], laterals [9], 1st M [13], k9 [18], 2nd M [2 yo]
Primary 2nd Molars exhibits ____ ___ than the primary 1st molar
more cusps
the primary tooth with the most prominent cervical ridge on the facial
primary mand 1st molar
primary tooth with the most distinctly prominent facial cervical ridge is
primary mand 1st molar
facial view the primary mand 1st molar the CEJ is
apically positioned on
_____ ____
mesial 1/3
which tooth exhibits the distal triangular fossa
primary mand 1st molar
the main fossa or central fossa is displaced to ___
of which primary tooth
distal
primary mand 1st molar
which tooth has the most distinct transverse
primary mand 1st molar
which tooth is the most unique and does not look like any perm tooth
primary mand 1st molar
the highest and sharpest cusp on the primary mand 1st molar is
ML cusp
the biggest cusp on the primary mand 1st molar is
MB
teeth whose primary function is for biting
incisors
which tooth has the greatest facio-lingual axial inclination
max central incisors
which tooth has the greatest cervical curvature than any other tooth?
which surface?
max central incisors
mesial surface greatest cervical curvature
CEJ dips deeper:
Ant vs posterior
max vs man
mesial vs distal
CEJ dips deeper on
ant
max
mesial
** think of max central incisors
max central incisors are the ONLY ANTERIOR tooth that is
wider _____ _____ than ____ ___
wider mesio facially
than
facio - lingually
max central inciors has the greatest _____ ____ crown dimension than any other ANTERIOR tooth
Mesio distal
which tooth has nearly identical measurments of
inciso cervical vs mesio distal
max central incisors
the contact bt the max central incisor and the lateral incisor makes the ____ embrasure larger than the _____ embrasure
lingual embrasure larger than facial embrasure
**this is typical of most teeth
the incisor embrasure bt the max centrals are ______ than the incisor embrasure bt the max central and lateral
smaller
which tooth has the most crown shape variation
max lateral
Except for the 3rd molars which tooth has the most deviation in crown morphology
max lateral incisor
which tooth has the most abnormal relation and contact with the adjacent teeth
max lateral incisor
other than 3rd molars which tooth is most often congentially missing
max lateral incisors
3rd molars > max lateral incisors > man 2nd PM
which NON MOLAR tooth is most freq to have mesial and distal pulp horn
max central incisor
non molar tooth that is least likely to have bifurcated root
max central incisor
max lateral is most likely to have _____ _____ caries
lingual pit caries
___ ___ of max lateral incisors complicates root planning
DL groove
___ ___ angle of the ____ ___ has the greatest convexity of all max anterior teeth
distal incisal angle
max lateral
which tooth has the most prominent marginal ridges of all anterior teeth
max lateral incisors
max lateral incisors has the most
distinct and deepest
____ ___
of all anterior teeth
lingual fossa
which tooth has the smallest mesio distal crown width of any maxillary teeth
max lateral
max lateral has __ ___ measurement
that is nearly identical to ___ ___
mesio distal
facio lingual
max lateral
mesio distal width of the max lateral is ___ than the max central
narrower mesio distal width
max lateral has a distal contact that is ____ ____ of any incisor [usually very incisal]
furthest cervically
** junction of the middle and incisal 1/3
max lateral has a distal contact ____ both
inciso cervically
facio lingually
centered
IJ [#9] JM [#10] JM [#11]
** I just jacked michael jackson’s moped
IJ JM JM
I - mesial contact of #9 is incisal
J - distal contact of #9 is junction of incisal middle
J - mesial of #10 junction of incisal middle
M - distal of #10 is middle
J - mesial of #11 junction of middle and incisal
M - distal of #11 is middle
maxillary lateral is ___ to or ___ than the max central in root length
equal to larger
mand central is distinguished by the cervical curvature which is greater on ____ than ____
mesial greater than distal
** CEJ question dips further on the mesial
which teeth [2] have the most freq concave areas on the M and D root surfaces
man central and man laterals
which tooth has the smallest crown dimension of any tooth
mand centrals
which tooth has the sharpest set of incisal angles
mesial and distal
mand centrals
mand central has proximal contacts taht are ___
same level
incisally - incisally
mand central incisors have proximal contacts a the approximately same level mesial and distal
TF
true
man central incisors have contact points at the same incisocervical level
true
which teeth [2] generally occlude with only one opposing tooth
man central incisors
max 3rd molars
which is the first SUCCENDANEOUS TOOTH to erupt in the mouth
perm mand central incisors
perm 1st molar is a succadanenous tooth
false
B and L embrasures of man central incisors may be the same size
TF
true
which tooth has the crown tilting distally to the long axis of the tooth
man lateral incisor
mesio distal width of man lateral incisors is ____ than man central incisor
wider
which tooth has the greatest cervical prominence of any
anterior tooth
max k9
max k9 from a promixal view [mesial or distal] tends to be positioned with the most _____ axis
vertical axis
which tooth ahs the greatest overall total tooth length
max k9
which tooth has the longest root of any tooth
max k9
max k9 has the greatest ___ ___ crown dimension
of any anterior tooth
facio lingual
max k9 distal contact is located?
IJ JM JM
distal of k9 is middle = centered
which tooth is the only tooth that has potential contacting both anterior and posterior teeth
max k9
max k9 cusp tip is located _____ to the ___ axis
facial to the lingual axis
TF
if the max k9 cusp tip is located slightly facial than the
lingual view is more visible from the incisal view
true
the ___ ____ lobe of max k9 includes the cusp tip
[different from mand k9]
middle facial lobe includes the cusp tip
max k9 has a ____ bulge
making the mesial and distal _____
distal
assymetrical
which tooth from the facial view has a crown form
pentagonal
max k9
which tooth has the straightest mesial alignment from crown to root
mand k9
the ____ surface of the crown of man k9 us
almost ___ to the long axis of the tooth
mesial surface of mand k9
parallel to the long axis of tooth
mand k9 has the _____ crown dimension of any tooth
longest crown of any tooth
mand k9 has less ____ ___
than max k9
less prominent cingulum
mand k9 is narrower _____ ___ than
max k9
narrower mesio distally
which anterior tooth most frequently exihibits a bifurcated root
mand k9
bifurcation of mand k9 roots when present creates
____ and ___ root
facial
lingual
roots
which tooth has the longest root length of any mandibular tooth
mand k9
***careful the longest root of any tooth is max k9
cross section of the root of mand k9 is _____ ____
irregularly oval cross section
cross section of the mand k9 at the CEJ
is ____ but wider ___ ___ at the labial
ovoid
but wider mesio distally at the labial
cervical cross section the root of mand k9 is ___ in mesio distal dimension
flattened mesio distally
compared to the max k9 the mand k9 has contact areas located more ____
incisally located contacts
which tooth has a continuous covex facial surface from incial to apical end
mand k9
mand k9 makes a ___ shape from
crown tip to root apex
C shape
mand k9 has incial edge ____ to the long axis
lingual
[opposite of max k9 with more facial that is why we can see more the lingual from the incisal view]
which tooth has the most pronounced developmental marginal groove of any maxillary tooth
max 1st PM
which surface is the developmental marginal groove of the max 1st PM on
mesial marginal developmental groove
max 1st PM has a ___ ___ that makes it difficult
to adapt to a matrix band
mesial concavity
which tooth exhibits a cervical cross section that is
kidney shaped root outline
max 1st PM
TF
the cervcial cross section of max 1st PM exhibits a kidney shaped pulp chamber floor
true
** the indent that makes the kidney shape is the mesial concavity
non molar tooth that freq exhibits 3 roots
max 1st PM
the facial cusp of max 1st PM is offset to the ____
distal
TF
mesio facial cusp ridge is longer than the distal facial cusp ridge of
max 1st Pm
true
bc of the facial cusp offset to the distal
which tooth has a longer mesial cusp ridge just like the
primary max k9
perm max 1st PM
max 1st Pm has the ___ _____ inclines
steepest cusp inclines
which teeth [2] where the lingual cusps are offset to the mesial
Max PM 1 and Max 2nd PM
maxillary 1st PM is the posterior tooth with
greatest ____ ____ crown height
cervico occlusal crown height