ORAL ANATOMY Flashcards
largest tooth in the mouth
Max . 1st molar
it is a non succedaneous tooth / accessional tooth
Max 1st molar
shortest root of max 1st molar
distobuccal root
where is palatal root located in max 1st molar
bucally
5th cusp of of max 1st molar
cusp of carabelli
developes from ___ lobes
4 lobes
5 lobes if has cusp of carabelli
where is the cusp of carabelli attached
mesiolingual cusp
oblique ridge or transverse ridge is formed
DBTR and DTR of ML cusp
Permanent incisors canine and premolars has __ lobes
4 lobes
teeth that has 5 lobes
3 cusp type mand 2nd premolar
perm. max 1st molar
perm. mand 1st molar
primary max 2nd molar
primary mand 2nd molar
it is shorter than 1st molar cervico occlusally and narrower mesiodistally
Max 2nd molar
has not well developed disto lingual cusp
Max 2nd molar
shape of anterior teeth mesial and distal
triangle
shape of Maxillary posterior teeth mesial and distal
trpezoidal
shape of mandibular posterior mesially and distally
rhomboidal
shape of anterior buccal and lingual
trapezoidal
shape of all posterior teeth buccally and lingually
trapezoid
buccal roots are the same length more nearly parallel and are inclined distally
Max 2nd molar
heart shaped occlusal outline
Max 3rd molar
crowns are roughly quadrilateral wider mesiodistally than bucolingually
Mandibular teeth molars
6th cusp located between the 2 lingual cusp
tuberculum intermedium
6th cusp located on the DMR between the distal cusp and distolingual cusp
tuberculum sextum
it has deep devpt groove on the root trunk
buccal aspect of max 1st molar
it has conical and largest lingual root
max 1st molar
occlusal aspect shape of mand. 1st molar
hexagonal
it resemble lower 2nd molar
mand 3rd molar
it has pronounced devpt groove goes to mesial marginal ridge
max 1st premolar
mesial slope of cusp is longer in buccal
max 1st Premolar
it has 3-4mm shorter roots thn max canine
max 1st premolar
has a more rounded appearance of crown in all aspect and has single root
max 2nd premolar
it has lingual cusp longer
max 2nd pm
1st mandibular premolar smaller than second
true
1st max premolar is larger than 2nd pm
true
what is the counterpart of cusp of carabelli
lower 1st pm lingual cusp
smallest posterior teeth in oral cavity
mand 1st premolar
it exhibitsa pointed tip and it is short and poorly developed
lingual cusp of mand 1st pm
location of tip of buccal cusp
located little mesial to the center of the crown
it has roughly diamond shape occlusally
mand 1st pm
has snake eye appearance
mesial and distal devpt pit with accessory supplemental grooves
mand 1st pm
has single central pit on occlusal
mand 2nd pm
it has well developed lingual cusp
mand 2nd pm
occlusal outline is square
3 cusp type of mand 2nd pm
it has y shape groove
3 cusp type mand 2nd pm
cornerstone fangs eye tooth and cuspid
perm. canine
longest cusp ridge in perm canine
distal cusp ridge
bony ridge over the labial surface of the roots
helps form a foundation that ensures facial expression
canine eminence
has a cusp on its incisal ridge
max canine
mesial cusp slope shorter than distal cusp slope
max canine
tip of cusp is labial to center of crownand mesial to the center mesiodistally
max canine
shows greater labiolingual measurement cervical 3rd than any antrior teeth
max canine
conical tapered or blunt pointed apex may curve labially
max canine
greatest crown bulk of mand canine
distal
it has bifurcated roots
mand canine
crowns appears longer than maxillaryand higher contact areas
mand canine
apex more sharply pointed
mand canine
tip of cusp is more nearly centered over root
mand canine
it has mammelons
max central
2 shallow devpt depression labially
max central
has perikymata
max central
cingulum is located off centered towards distal has lingual fossa
max central
has palatogingival grooves
max lateral
has more curvature with rounded incisal ridge and incisal angles
max lateral incisors
central is smaller than lateral
perm mand incisor
has labial inclination when occlusion is normal
mand incisor
smallest tooth in dental arch
mand central
bilaterally symmetrical
mand central
it has smallest root
mand lateral
has small smooth cingulum
mand lateral
larger than mand central
mand lateral
gies crown the appearance of being twisted slightly on its root base
mand lateral
junction of 2 syurface
line angle
junction of 3 surface
point angle
anterior have __ line angle
posterior have __ line angle
ant 6
post 8
anterior and posterior teeth has __ point angle
4
v shaped space between proximal surface
embrasure
rounded protuberance found in incisal edge of newly erupted teeth
mamelons
occlusal or incisal eminence of teeth
cusp
small elevation extra formation of enamel
tubercle
an elongated v shape valley-in surface of tooth
sulcus
small pinpoint depression located at the junction of devpt groove
pit
linear depression on surface of a tooth
grooves
rounded or angular depressionon the surface of tooth
fossa
cleft or crevice on a tooth surface
fissure
process of shedding decidouos teeth
exfoliation
having same morphology of teeth
homodont
max palatal cusp 1st pm occludes
distal triangular fossa of 1st pm mand
