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108 Cards in this Set

  • Front
  • Back
max m1 root with 2 canals
mesiobuccal root
3 roots
3 canals
max m1
wide B-L
mesiobuccal root
4th canal in MB
15%
4th canal
lingual to mesiobuccal canal
pulp horns prominent
max m1
highest pulp horns in max m1
MB
ML
root canal join pulp chamber
apical to CEJ in all molars
trifurcation
max molars
single root
max/mand incisors
max/mand canines
max pm2
mand pm1/pm2
bifurcation in roots
max pm1
mand molars
trifurcation
max m1
max m2
third longest root of any max teeth
palatal root of max m1
wider M-D root
palatal of max m1
longitudinal depression on lingual side
palatal root of max m1
concave on buccal surface
palatal root of max m1
max m1 palatal root apex
in line with buccal groove
roots much less spread apart
max m2
palatal root is straighter
max m2
root into max sinus during OMFS
max m1
mand molar : max molars
5:4
major cusps
occlusal view mand molars
rectangular
occlusal view max molars
rhomboidal
2 roots m
mand molars
3 roots
max molars
pits/grooves on occlusal/buccal surface
mand molars
pits/groove on occlusal/lingual
max molars
wider M-D
mand molars
wider F-L
max molars
equal sized lingual cusps
mand molars
transverse ridge
mand molars
oblique ridge
max molars
oblique ridge is union of
distal cusp ridge of MLC
&
triangular ridge of DBC
fissured groove >
max molars-lingual surface
fissured groove =
distolingual dev grooves
occlusal cavity preps usually extended on lingual surface
max molars

ditolingual dev groove=
fissured groove
groove originates as
occlusal pit
groove terminates
in a pit on lingual surface
mand molar roots
2 pulpal canals
2 pulp canals found
mesial root
distal root of mand molar root
one canal
x-sec apical to bifurcation
of mand molar
kidney shaped canal is found in distal root
mand molar root-

MB canal >
MB canal curves more than ML canal
mand molar mesial root
thin M-D
mand molar mesial root
concave on both mesial/distal surfaces
smalles pulp horn in mand molar
distal pulp horn
higher pulp horn in mand molar
mesial
max molar
shape of floor of pulp chamber
triangular
base of triangle of pulp chamber
base= buccal canals
apex of triangle
max molar
palatal canal
line connecting mesial canal with palatal canal in max molar
longest
mand molar prox view
rhomboidal outline
max molar prox view
trapezoidal

longest uneven side=base of crown
perm molar cusp that gets smaller as move posterior
DL
most obvious character that differentiates

m1, m2, m3
distolingual cusp
primary cusp triangle
max molars

ML
MB
DB
max m1 distal marginal ridge=
max m2 mesial marginal ridge
elevations of enamel
marginal ridges
least variation in root inclination
max teeth
greatest root inclination variation
mand centrals
mand canine
tip distally relative to long axis of root
mand molar
HOC is lowered apically to middle third
mand molar
placement of instruments sub-G more dificult
mand molar
parotid duct opens on cheek surface near
max M2
stensons
parotid
buccal aspect of
max m1

how many roots can you see
3 roots
max molar palatal root has
concavities on facial/lingual
max m1

mesial furcation
close to cervical line
deep dev groove on root trunk of
max m1
deep dev groove on max m1

starts
at bifurcation
deep dev groove on max m1

terminates
cervical line
max m1 root trunk

distal surface
concavity
how many plane can the mandible move
3

-frontal
-horizontal
-sagittal
frontal
up/down
side/side
horizontal
sagittal
forward/backward
five factors of mand movement
1-initiatin position
2-types of motion
3-direction of motion
4-degree of movement
5-sig of movement
initiating position of mand movement
stable
easily reproduced
types of motion
rotation
translation
direction of motion
=planes
frontal
sagittal
horizontal
sagittal section of mand movement
forwards/back

posselt's envelope
posterior border movement of mandible
rotational movement
&
translatinal movement
movement of condyles
rotational movement
terminal hinge axis
rotational movement
movement of condyles returning to CR
rotational movement
movement of mandible returning to where the condyle are in CR
translational
muscle guided position
rest position of mandible
3 jaw positions
-CO
-rest position of mandible
-CR
tooth guided
CO
muscle guided position
rest position of mandible
ligament guided position
CR
postural position
rest position of mand
tonic stretch reflex
rest position of mand
condyles in
upper most
midmost position in mand fossa
?
dont have translation
hinge axis movement
CR= condyles are considered
terminal hine position
normal swallowing
masseter muscle contracts
tooth contacts are of longer duration
in swallowing than in chewing
working side movement=

max m1-oblique ridge passes thru which sulcus of

mand m1-
DB sulcus
intercuspal position:

max m1- MB triangular ridge
opposes
Man m1-MB groove
-
working side:

max m1-MBC

passes

mand m1-lingual groove
-
working side:

max m2- MBC

passes

Mand m2-facial groove
-
postural position
no tooth contact
intercuspation of teeth determines
position of mandible in relation to max
free way space
2-6mm
supporting muscles of mandible
8 muscles of mastication

suprahyoids
infrahyoids
interocclusal distance=
freeway space
mand moves to left-
right condyle >

moves
anterior
downward
medially