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140 Cards in this Set

  • Front
  • Back
commonly called "eye teeth"
cornor stone tooth

in older time were called "cuspid" because it only had 1 cusp
max canine
longest strongest tooth

long root bulky on facial

function to tear food
max canine
max canine mesial surface resembles?

distal surface resembles?
mesial resemble incisor- it's strighter than the distal

distal resembles a pre molar it's very curvy- a concavity is present on the distal
max canine:
shape of crown facial?
proximal?
facial: pentagonal
proximal: triangular
contact point of max canine
mesial?
distal?
mesial incisal 1/3
distal middle 1/3
max canine erupts age?
11-12 yrs old
bone sticks out around ? labially placed bony ridge
canine eminence
serves as major support, gives deminsion to the face
max canine
on max canine how many lobes on the facial?

very prominent labial ridge because?
3 lobes

very prominent labial ridge because of the development of the middle lobe
4th lobe on max canine is located where?
lingual=cingulum
incisal edge of the max canine is called what?
cusp

mesial and distal cusp slope/ ridge
which max canine slope is shorter when it first erupts but then later changes due to wear patterns
mesial cusp slope
max canine is wider
labiolingually
height of contour on max canine
cervial 1/3
contact points on max canine
mesial: junction of incisal 1/3 and middle 1/3

distal: middle 1/3
max canine:

depression or concavitie on contact point and cej line on the ? side that will extend up to the root= it is called what?
distal

distal concavity
where is the cingulum on the max canine?
lingual surface in the center
cej line on the max canine is more pronounce which side?
mesial than distal
max canine vertical lingual ridge is due to what?
greater deveolpment of the middle lobe
the max canine has mesial and distal marginal ridge but also include
lingual incisal ridge that is vertically placed and divide the fossa
max canine incisial view:
1 cusp tip and how many ridge? name ridges?
4 ridges=mesial, distal, labial, lingual ridge on incisal view
max canine vs. man canine
man canine:
not as well developed
pentagonal shape: nots as much distal cuvature
concavity but not as pronounce as max canine

overall smoother tooth

vertical ridge but not as pronounced
man canine root
big curve on root can be bifurcated in apical 1/3 labiolingual
of all ant tooth this tooth is most likely to be bifurated
man canine
cingulum on man canine is located?
slightly distal on lingual
man canine erupts what ages?
9-10 years old
clinical consideration of the max canine
may erupts labially or lingually or fail to erupt at all and be impacted
developmental disturbance with max canine
cingulum may have tubercles or extra cusp, with the tubercle can have lingual pit
on the first premolars how many cusp do they have and how many lobe do they have and where are they located
2 cusp 4 lobes= 3 on facial/buccal 1 on lingual
buccal cusp longer than lingual cusp
hight of contour on pre molars

contact point
buccal cervial 1/3
lingual middle 1/3

contact point all middle 1/3
max 1st premolar erupts age?
10-11 yrs old
pre molar function
grinding
1st pre molar root
most are bifucated in apical 1/3
where is the concavity present on the first pre molar
mesial root trunk
crown of max 1st premolar widest ? of all premolars
mesiodistally
buccal view crown outline max 1st premolar
pentagonal
proximal view crown outline max 1st premolar
trapezoidal
occlusal view crown outline max 1st premolar
hexagon
contact point max 1st premolar mesial and distal
middle 1/3
only tooth in permanent dention that has bucc cusp mesial slope longer than distal slope
max 1st pre molar
where is the very distinct concavity on the max 1st premolar
mesial
max 1st premolar has 2 cusp 4 ridges from each cusp a buccal cusp and lingual cusp which is shorter
lingual cusp is shorter
max 1st premolar
4 buccal cusp ridges descend from the buccal cusp tip :
buccal cusp ridge of buccal cusp
mesial cusp ridge of buccal cusp
distal cusp ridge of buccal cusp
lingual cusp ridge of buccal cusp
max 1st premolar
between the buccal cusp ridges 4 inclined cuspal plane
mesiobuccal, mesiolingual, distobuccal, distolingual
max 1st premolar
4 lingual cusp ridges descend from the lingual cusp tip:
lingual cusp ridge of the lingual cusp
mesial cusp ridge of the lingual cusp
distal cusp ridge of the lingual cusp
buccal cusp ridge of the lingual cusp
max 1st premolar
between the lingual cusp ridges 4 inclined cuspal plane
mesiolingual, distolingual,
distobuccl, mesiobuccal
max 1st premolar
extending mesiodistally across the occlusal table evenly dividing the tooth buccolingually
central groove
max 1st premolar
lingual cusp ridge, which runs from the buccal cusp tip to the central groove is also called
buccal triangular ridge
max 1st premolar
buccal cusp ridge of the lingual cusp is also called
(runs from the lingual cusp tip to the central groove)
lingual triangular ridge
max 1st pre molar
perpendicular to the central groove term given to the joining of the buccal triangular ridge and lingual triangular ridge
transverse ridge
what are the mesial features on the max 1st premolar
mesial developmental depression
mesial marginal groove (which extends to the mesial surface)
mesial marginal ridge
max 1st pre molar
inside the mesial and distal marginal ridges descending down the slope of the buccal cusp and lingual cusp are 4 developemental grooves called:
mesiobuccal triangular groove
distobuccal triangular groove
distolingual triangular groove
mesiolingual triangular groove
2nd max pre molar
erupts age?
10-12 years old
1st max pre molar vs. 2nd max pre molar
crown less angular more rounded, usually only have 1 root, greater root lenght for 2nd
2nd max pre molar cusps from the lingual view
lingual cusp is larger than the 1st max pre molar- almost the same height as the buccal cusp- and slightly displaced to the mesial
2nd max pre molar groove are significant because
there's a lot of supplemental groove, gives wrinkle appearance
contact point 2nd max pre molar
cervical 1/3
outline of occlusal 2nd max premolar vs the 1st max premolar
more rounder and larger than the 1st
central groove on the 2nd max pre molar
shorter than the 1st and has lots of suppplemental grooves extending from it. making it wrinkle looking
max 1st and 2nd premolar vs man 1st and 2nd premolar

SIZE
man 1st premolar smaller than 2nd
max 1st is larger than 2nd
from the proximal view crown outline of both man premolar
rhomboidal
man 1st premolar
erupts between
10-12 years old
man 1st pre molar cusps? what's significant about them?
buccal cusp is long and sharp and it's functional
lingual cusp not functional small like a cingulum
from the buccal view: significant about the man 1st pre molar
middle lobe is developed has a prominent bridge
man 1st pre molar mesial and distal contact points
cervial 1/3
man 1st pre molar crown outline shaped
facial? proximal? occlusal?
facial: pentagonal
proximal: trapezoidal
occlusal: rounded diamond
man 1st pre molar occlusal table significants
central goove not prominent, mesial and distal pit more pronounced "snaked eyed", uninterrupted transverse ridge
man 2nd pre molar erupts what age?
11-12 years old
man 2nd premolar has two forms what are they?
1. tricuspidated (more common)
2. bicusidate
how many lobes do the man 2nd molar has
5 lobes 3 buccal and 2 lingual
man 2nd premolar contact point buccal view
middle 1/3
man 2nd premolar cusp significants
lingual cusp longer than the man 1st premolar, about the same size as the buccal cusp, has 2 lingual cusp, mesiolingual and distolingual, ML cusp longer than DL cusp
man 2nd premolar
3 cusp type groove pattern
Y shaped with an extended lingual groove, has central pit- distint mesial and distal marginal groove
man 2nd premolar
2 cusp type groove pattern
U shaped groove pattern
H shaped groove pattern

both have distint mesial and distal pit
man 2nd premolar clinical finding/ consideration
can be impacted or anodontia (congenitally missing)
MOLARS
General information:
3 in each quadrant
- non succedanous teeth
- crown centered over root
- 3 roots on the maxillary molars
- has a root trunk
- on maxillary they are trifurcated
- mandibular they are Bifurcated
- From the CEJ to the froication area on the maxillary the trunk is about 4-5 mm
- The space between the roots is a forcation crotch – the forication is where the root splits
- the root is named by where it is located: lingual (palatal ) root, buccal root, mesiobuccal root, and distobuccal root
MAXILLARY 1ST MOLAR
General information:
erupts around age 6
- called the 6 year molars
- has the least variation in form
- typically its lingual root is longer than the buccal root
- wider in the buccal lingual direction than the mesial distal direction
- 5 lobes
- The development of these lobes seen on the occusal surface
MOLARS
General information:
3 in each quadrant
- non succedanous teeth
- crown centered over root
- 3 roots on the maxillary molars
- has a root trunk
- on maxillary they are trifurcated
- mandibular they are Bifurcated
- From the CEJ to the froication area on the maxillary the trunk is about 4-5 mm
- The space between the roots is a forcation crotch – the forication is where the root splits
- the root is named by where it is located: lingual (palatal ) root, buccal root, mesiobuccal root, and distobuccal root
Buccal view of the Max 1st describe the cusps:
it is asymmetrical: it does not have symmetrical division because one cusp is larger than the other
- 4 cusp: mesiobuccal, distobuccal- from buccal view/ mesiolingual, distolingual – from lingual view
- the 5th lobe is tiny cusp that is on the mesiolingual cusp it is called the cusp of carabelli – it is a nonfunctioning cusp
- mesiobuccal cusp is the larger than distal cusp
MAXILLARY 1ST MOLAR
General information:
erupts around age 6
- called the 6 year molars
- has the least variation in form
- typically its lingual root is longer than the buccal root
- wider in the buccal lingual direction than the mesial distal direction
- 5 lobes
- The development of these lobes seen on the occusal surface
Buccal view of the Max 1st describe the cusps:
it is asymmetrical: it does not have symmetrical division because one cusp is larger than the other
- 4 cusp: mesiobuccal, distobuccal- from buccal view/ mesiolingual, distolingual – from lingual view
- the 5th lobe is tiny cusp that is on the mesiolingual cusp it is called the cusp of carabelli – it is a nonfunctioning cusp
- mesiobuccal cusp is the larger than distal cusp
Buccal view of the Max 1st describe the roots:
it has 3 roots for support
- the distal root curves out distally then mesially
- the mesial root curves out mesially then distally
- the lingual root does not curve
- Root are more divergent- meaning they are more spread out because they have more room
Buccal view of the Max 1st describe the roots:
it has 3 roots for support
- the distal root curves out distally then mesially
- the mesial root curves out mesially then distally
- the lingual root does not curve
- Root are more divergent- meaning they are more spread out because they have more room
Describe the lingual view of the max 1st molar
more rounded
- has lingual groove that divides cusp asymmetrically
- lingual allows narrowing (it converges)
5cusp located lingually – cusp of carabelli
Describe the lingual view of the max 1st molar
more rounded
- has lingual groove that divides cusp asymmetrically
- lingual allows narrowing (it converges)
5cusp located lingually – cusp of carabelli
Describe the proximal view of the max molar
wider in the buccal lingual view than in the mesial distal direction
- mesial buccal root- is larger and wider than the distal
- CEJ is greater mesially
Describe the proximal view of the max molar
wider in the buccal lingual view than in the mesial distal direction
- mesial buccal root- is larger and wider than the distal
- CEJ is greater mesially
FOR ALL MAXILLARY MOLARS
contact points?
height of contours?
FOR ALL MAXILLARY MOLARS
- the contact point is on the middle 3rd
Height of contour buccal on cervical 3rd
Lingual is on lingual 3rd
FOR ALL MAXILLARY MOLARS
contact points?
height of contours?
FOR ALL MAXILLARY MOLARS
- the contact point is on the middle 3rd
Height of contour buccal on cervical 3rd
Lingual is on lingual 3rd
How many shapes of occusal surface does the max 1st molar has?
has 3 different shapes: *rhomboidal- most frequent *square or *Quadralateral
How many shapes of occusal surface does the max 1st molar has?
has 3 different shapes: *rhomboidal- most frequent *square or *Quadralateral
Occlusal view on max 1st molar:
which cusp is the largest and which direction does it go
Mesiolingual cusp is largest of the cusp size then goes to next largest if rotating counterclockwise
Occlusal view on max 1st molar:
How many marginal ridges and which is larger and why?
Has mesial marginal ridges- these are larger because the cusp are larger
- Has distal marginal ridges
Occlusal view on max 1st molar:
Describe the ridges:
From each cusp tip we have 4 ridges: mesial, distal, buccal, lingual
- Ridges from the cusp tip to the central grove is called mesial distal cusp tip
- Oblique Ridge runs from the distal ridge to mesial distal cusp and meets with triangular ridge of the distal buccal cusp
Occlusal view on max 1st molar:
How many pits do they have? named?
It has a central,mesial, and distal pit
Occlusal view on max 1st molar:
Describe the grooves:
- The groove can cross the oblique ridge
- the central groove runs from the mesial to distal surfaces
- 4 triangular grooves: distolingual (shorter), distobuccal,mesiobuccal,mesiolingual
- from the central pit we have a groove that comes across the occusal to the buccal surface- called the buccal groove
- Between the mesiolingual and distolingual cusp we have a distolingual groove that comes from the distal pit
- Buccal grove can have pit
- the distolingual groove is smaller
MAXILLARY 2ND MOLAR
general information?
erupts around age 12
Called 12 year molars
- nonsuceedaneous teeth
- 4 major cusp
- 4 developmental lobes
Can have cusp of carabelli but it is not as prevalent as it is on 1st molar
- tooth is smaller than the 1st molar
- roots are less divergent as compared to 1st – they are closer together
- grooves are shorter
- the crown outline shape could be rhombial or heart shaped
- all the grooves and ridges are the same as the 1st molar
MAXILLARY 3RD MOLARS
General information:
Erupts 17-25
Called wisdom teeth
Has no distal contact
- crown is poorly developed- heart shaped
- 3 roots with variations – they are sometimes fused together and sometimes on top of one another
- the crown is more wrinkled due to supplemental grooves
- distolingual cusp may be missing
- this tooth may be impacted or inadoncia (meaning they never come in)
- This tooth is most variation in form of all the teeth
MANDIBULAR 1ST MOLAR
General information:
Erupts around age 6
- develops from 5 lobes
- 2 roots
- 5 cusp : 3 on buccal 2 on lingual
- From CEJ to forication line the root trunk is around 3-4 mm
- The CEJ is greater mesially
MANDIBULAR 1ST MOLAR
describe the root:
mesial root is longer than the distal
- the mesial root curves mesially then distally
- distal root is straight
- The roots are closer together vs. the 1st molar
- the concavities on the mesial are normally deeper
MANDIBULAR 1ST MOLAR
How many cusp and named them?
5 cusp : mesiobuccal, distobuccal, distal, mesiolingual, distolingual
MANDIBULAR 1ST MOLAR
Wider where?
it is wider mesial distally than it is buccal lingually
MANDIBULAR 1ST MOLAR
What's significant about he buccal cervical ridge?
Buccal cervical ridge is more bulbous and prominent on this tooth in the cervical 3rd area
MANDIBULAR 1ST MOLAR
Describe the occlusal surface
- Has a central, mesial, and distal pit
- has a distinct Y pattern on this tooth because of its grooves
- Grooves it has are: mesiobuccal, distobuccal, and lingual groove that make up the Y pattern
- From each cusp we have 4 ridges
- Has transverse ridge
- NO oblique ridge
- can have 2 roots on the mesial when it is split- buccal, lingually
- can have accessory roots
MANDIBULAR 2ND MOLAR
General information
erupts around 11-12 years old
- wider mesial distally than buccal lingually
Develops from 4 lobes
- has 4 cusp
- all cusp are equal size
- has 2 roote – they are not as divergent as the 1st molar
- the buccal and lingual groove can end in a pit
MANDIBULAR 2ND MOLAR
Occusal surface significants
has a distinct cross groove pattern across the central pit
- has transverse ridges
- the ridges and grooves are same as the 1st molars
MANDIBULAR 3RD MOLAR
General information
Erupts 17-25
Most variation in form
Typically has 4 lobes / 4 cusp
But can have 5 lobes/ 5 cusp
- roots curve distally
- has a lot of supplemental grooves- appears wrinkled
- roots can be fused
- can be impacted or congentially missing
- can be microdont which is a tiny tooth
MANDIBULAR 1ST MOLAR
General information:
Erupts around age 6
- develops from 5 lobes
- 2 roots
- 5 cusp : 3 on buccal 2 on lingual
- From CEJ to forication line the root trunk is around 3-4 mm
- The CEJ is greater mesially
MANDIBULAR 1ST MOLAR
describe the root:
mesial root is longer than the distal
- the mesial root curves mesially then distally
- distal root is straight
- The roots are closer together vs. the 1st molar
- the concavities on the mesial are normally deeper
MANDIBULAR 1ST MOLAR
How many cusp and named them?
5 cusp : mesiobuccal, distobuccal, distal, mesiolingual, distolingual
MANDIBULAR 1ST MOLAR
Wider where?
it is wider mesial distally than it is buccal lingually
MANDIBULAR 1ST MOLAR
What's significant about he buccal cervical ridge?
Buccal cervical ridge is more bulbous and prominent on this tooth in the cervical 3rd area
MANDIBULAR 1ST MOLAR
Describe the occlusal surface
- Has a central, mesial, and distal pit
- has a distinct Y pattern on this tooth because of its grooves
- Grooves it has are: mesiobuccal, distobuccal, and lingual groove that make up the Y pattern
- From each cusp we have 4 ridges
- Has transverse ridge
- NO oblique ridge
- can have 2 roots on the mesial when it is split- buccal, lingually
- can have accessory roots
MANDIBULAR 2ND MOLAR
General information
erupts around 11-12 years old
- wider mesial distally than buccal lingually
Develops from 4 lobes
- has 4 cusp
- all cusp are equal size
- has 2 roote – they are not as divergent as the 1st molar
- the buccal and lingual groove can end in a pit
MANDIBULAR 2ND MOLAR
Occusal surface significants
has a distinct cross groove pattern across the central pit
- has transverse ridges
- the ridges and grooves are same as the 1st molars
MANDIBULAR 3RD MOLAR
General information
Erupts 17-25
Most variation in form
Typically has 4 lobes / 4 cusp
But can have 5 lobes/ 5 cusp
- roots curve distally
- has a lot of supplemental grooves- appears wrinkled
- roots can be fused
- can be impacted or congentially missing
- can be microdont which is a tiny tooth
Maxillary 1st molar:
Lingual root is shaped what?
Banana shaped-also the largest of the 3 roots
crown shaped of max 1st molar?
trapezoidal
Max 1st molar occlusal shaped?
rhomboidal
Which tooth has a distinct Y shaped grooved pattern?
Man 1st molar
Max 2nd molar occlusal shaped?
2 types:
heart and rhomboidal (most common)
Which tooth has cusps that are equal size?
Man 2nd molar
Which tooth has a distint cross shaped grooved pattern?
Man 2nd molar
Shaped of Man 2nd molar occlusal?
rectangular
Ridge that run from the cusp tip of the lingual cusp into the central groove is the?
facial ridge of the lingual cusp
What ridge of the lingual cusp is a triangular ridge?
facial
Which cusp is the longest on the max 1st premolar?
Facial
A developemental groove extends onto which proximal surface of the max 1st premolar?
mesial
which of the following has the most supplemental grooves on the occlusal surface?
max 1st premolar or max 2nd premolar
max 2nd premolar
how many roots does the max 1st premolar (most common) has?
2
Which primary tooth does the max 1st premolar replace?
first molar
which premolar is most likely to have bifuracted root?
first
Which longitudinal concavity on the max 1st premolar is most prominent?
mesial
on which surface is the height of contour located on the middle 1/3?
lingual
If a max 2st premolar is bifucated, what is the location of the bifucation?
apical only
which cusp of the max first premolar is longer?
lingual or facial?
facial
the proximal contacts of the man 1st premolar are located?
middle 1/3
how many lobes would you expect to find on the man 2nd premolar (tricuspid type?)
5
the transverse ridge on the mandibular 1st premolar is
uninterrupted
Of the 3 types of man 2nd premolars, the most common is the three cusp or ___ type?
Y shaped groove pattern