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140 Cards in this Set
- Front
- Back
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commonly called "eye teeth"
cornor stone tooth in older time were called "cuspid" because it only had 1 cusp |
max canine
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longest strongest tooth
long root bulky on facial function to tear food |
max canine
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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 |
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max canine:
shape of crown facial? proximal? |
facial: pentagonal
proximal: triangular |
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contact point of max canine
mesial? distal? |
mesial incisal 1/3
distal middle 1/3 |
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max canine erupts age?
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11-12 yrs old
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bone sticks out around ? labially placed bony ridge
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canine eminence
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serves as major support, gives deminsion to the face
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max canine
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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 |
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4th lobe on max canine is located where?
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lingual=cingulum
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incisal edge of the max canine is called what?
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cusp
mesial and distal cusp slope/ ridge |
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which max canine slope is shorter when it first erupts but then later changes due to wear patterns
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mesial cusp slope
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max canine is wider
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labiolingually
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height of contour on max canine
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cervial 1/3
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contact points on max canine
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mesial: junction of incisal 1/3 and middle 1/3
distal: middle 1/3 |
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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 |
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where is the cingulum on the max canine?
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lingual surface in the center
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cej line on the max canine is more pronounce which side?
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mesial than distal
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max canine vertical lingual ridge is due to what?
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greater deveolpment of the middle lobe
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the max canine has mesial and distal marginal ridge but also include
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lingual incisal ridge that is vertically placed and divide the fossa
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max canine incisial view:
1 cusp tip and how many ridge? name ridges? |
4 ridges=mesial, distal, labial, lingual ridge on incisal view
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max canine vs. man canine
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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 |
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man canine root
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big curve on root can be bifurcated in apical 1/3 labiolingual
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of all ant tooth this tooth is most likely to be bifurated
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man canine
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cingulum on man canine is located?
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slightly distal on lingual
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man canine erupts what ages?
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9-10 years old
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clinical consideration of the max canine
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may erupts labially or lingually or fail to erupt at all and be impacted
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developmental disturbance with max canine
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cingulum may have tubercles or extra cusp, with the tubercle can have lingual pit
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on the first premolars how many cusp do they have and how many lobe do they have and where are they located
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2 cusp 4 lobes= 3 on facial/buccal 1 on lingual
buccal cusp longer than lingual cusp |
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hight of contour on pre molars
contact point |
buccal cervial 1/3
lingual middle 1/3 contact point all middle 1/3 |
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max 1st premolar erupts age?
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10-11 yrs old
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pre molar function
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grinding
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1st pre molar root
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most are bifucated in apical 1/3
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where is the concavity present on the first pre molar
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mesial root trunk
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crown of max 1st premolar widest ? of all premolars
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mesiodistally
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buccal view crown outline max 1st premolar
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pentagonal
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proximal view crown outline max 1st premolar
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trapezoidal
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occlusal view crown outline max 1st premolar
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hexagon
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contact point max 1st premolar mesial and distal
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middle 1/3
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only tooth in permanent dention that has bucc cusp mesial slope longer than distal slope
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max 1st pre molar
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where is the very distinct concavity on the max 1st premolar
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mesial
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max 1st premolar has 2 cusp 4 ridges from each cusp a buccal cusp and lingual cusp which is shorter
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lingual cusp is shorter
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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 |
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max 1st premolar
between the buccal cusp ridges 4 inclined cuspal plane |
mesiobuccal, mesiolingual, distobuccal, distolingual
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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 |
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max 1st premolar
between the lingual cusp ridges 4 inclined cuspal plane |
mesiolingual, distolingual,
distobuccl, mesiobuccal |
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max 1st premolar
extending mesiodistally across the occlusal table evenly dividing the tooth buccolingually |
central groove
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max 1st premolar
lingual cusp ridge, which runs from the buccal cusp tip to the central groove is also called |
buccal triangular ridge
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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
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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
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what are the mesial features on the max 1st premolar
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mesial developmental depression
mesial marginal groove (which extends to the mesial surface) mesial marginal ridge |
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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 |
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2nd max pre molar
erupts age? |
10-12 years old
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1st max pre molar vs. 2nd max pre molar
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crown less angular more rounded, usually only have 1 root, greater root lenght for 2nd
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2nd max pre molar cusps from the lingual view
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lingual cusp is larger than the 1st max pre molar- almost the same height as the buccal cusp- and slightly displaced to the mesial
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2nd max pre molar groove are significant because
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there's a lot of supplemental groove, gives wrinkle appearance
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contact point 2nd max pre molar
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cervical 1/3
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outline of occlusal 2nd max premolar vs the 1st max premolar
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more rounder and larger than the 1st
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central groove on the 2nd max pre molar
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shorter than the 1st and has lots of suppplemental grooves extending from it. making it wrinkle looking
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max 1st and 2nd premolar vs man 1st and 2nd premolar
SIZE |
man 1st premolar smaller than 2nd
max 1st is larger than 2nd |
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from the proximal view crown outline of both man premolar
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rhomboidal
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man 1st premolar
erupts between |
10-12 years old
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man 1st pre molar cusps? what's significant about them?
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buccal cusp is long and sharp and it's functional
lingual cusp not functional small like a cingulum |
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from the buccal view: significant about the man 1st pre molar
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middle lobe is developed has a prominent bridge
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man 1st pre molar mesial and distal contact points
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cervial 1/3
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man 1st pre molar crown outline shaped
facial? proximal? occlusal? |
facial: pentagonal
proximal: trapezoidal occlusal: rounded diamond |
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man 1st pre molar occlusal table significants
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central goove not prominent, mesial and distal pit more pronounced "snaked eyed", uninterrupted transverse ridge
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man 2nd pre molar erupts what age?
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11-12 years old
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man 2nd premolar has two forms what are they?
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1. tricuspidated (more common)
2. bicusidate |
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how many lobes do the man 2nd molar has
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5 lobes 3 buccal and 2 lingual
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man 2nd premolar contact point buccal view
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middle 1/3
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man 2nd premolar cusp significants
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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
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man 2nd premolar
3 cusp type groove pattern |
Y shaped with an extended lingual groove, has central pit- distint mesial and distal marginal groove
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man 2nd premolar
2 cusp type groove pattern |
U shaped groove pattern
H shaped groove pattern both have distint mesial and distal pit |
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man 2nd premolar clinical finding/ consideration
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can be impacted or anodontia (congenitally missing)
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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 |
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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 |
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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 |
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Buccal view of the Max 1st describe the cusps:
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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 |
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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 |
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Buccal view of the Max 1st describe the cusps:
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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 |
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Buccal view of the Max 1st describe the roots:
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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 |
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Buccal view of the Max 1st describe the roots:
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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 |
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Describe the lingual view of the max 1st molar
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more rounded
- has lingual groove that divides cusp asymmetrically - lingual allows narrowing (it converges) 5cusp located lingually – cusp of carabelli |
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Describe the lingual view of the max 1st molar
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more rounded
- has lingual groove that divides cusp asymmetrically - lingual allows narrowing (it converges) 5cusp located lingually – cusp of carabelli |
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Describe the proximal view of the max molar
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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 |
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Describe the proximal view of the max molar
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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 |
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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 |
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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 |
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How many shapes of occusal surface does the max 1st molar has?
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has 3 different shapes: *rhomboidal- most frequent *square or *Quadralateral
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How many shapes of occusal surface does the max 1st molar has?
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has 3 different shapes: *rhomboidal- most frequent *square or *Quadralateral
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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
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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 |
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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 |
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Occlusal view on max 1st molar:
How many pits do they have? named? |
It has a central,mesial, and distal pit
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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 |
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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 |
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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 |
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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 |
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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 |
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MANDIBULAR 1ST MOLAR
How many cusp and named them? |
5 cusp : mesiobuccal, distobuccal, distal, mesiolingual, distolingual
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MANDIBULAR 1ST MOLAR
Wider where? |
it is wider mesial distally than it is buccal lingually
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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
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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MANDIBULAR 1ST MOLAR
How many cusp and named them? |
5 cusp : mesiobuccal, distobuccal, distal, mesiolingual, distolingual
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MANDIBULAR 1ST MOLAR
Wider where? |
it is wider mesial distally than it is buccal lingually
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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
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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 |
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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 |
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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 |
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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 |
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Maxillary 1st molar:
Lingual root is shaped what? |
Banana shaped-also the largest of the 3 roots
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crown shaped of max 1st molar?
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trapezoidal
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Max 1st molar occlusal shaped?
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rhomboidal
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Which tooth has a distinct Y shaped grooved pattern?
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Man 1st molar
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Max 2nd molar occlusal shaped?
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2 types:
heart and rhomboidal (most common) |
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Which tooth has cusps that are equal size?
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Man 2nd molar
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Which tooth has a distint cross shaped grooved pattern?
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Man 2nd molar
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Shaped of Man 2nd molar occlusal?
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rectangular
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Ridge that run from the cusp tip of the lingual cusp into the central groove is the?
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facial ridge of the lingual cusp
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What ridge of the lingual cusp is a triangular ridge?
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facial
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Which cusp is the longest on the max 1st premolar?
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Facial
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A developemental groove extends onto which proximal surface of the max 1st premolar?
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mesial
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which of the following has the most supplemental grooves on the occlusal surface?
max 1st premolar or max 2nd premolar |
max 2nd premolar
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how many roots does the max 1st premolar (most common) has?
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2
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Which primary tooth does the max 1st premolar replace?
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first molar
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which premolar is most likely to have bifuracted root?
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first
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Which longitudinal concavity on the max 1st premolar is most prominent?
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mesial
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on which surface is the height of contour located on the middle 1/3?
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lingual
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If a max 2st premolar is bifucated, what is the location of the bifucation?
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apical only
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which cusp of the max first premolar is longer?
lingual or facial? |
facial
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the proximal contacts of the man 1st premolar are located?
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middle 1/3
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how many lobes would you expect to find on the man 2nd premolar (tricuspid type?)
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5
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the transverse ridge on the mandibular 1st premolar is
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uninterrupted
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Of the 3 types of man 2nd premolars, the most common is the three cusp or ___ type?
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Y shaped groove pattern
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