Prof. Rooban Thavarajah
Tooth Morphology
Lecture Series
Dr. Rooban Thavarajah
Dr. Rooban Thavarajah
Deciduous Dentition
Maxillary Canine
General considerations
 Crown wide MD.
 MD is slightly less than the incisocervical
measurement.
 Add Chronology and Di...
Dr. Rooban Thavarajah
Maxillary Canine
 Does not resemble incisor (except root)
 MD constricted @ cervix
 Mesial, Dista...
LABIAL ASPECT
 Mesial & distal outlines bulge convexly to
cervical line.
 The height of contour - at level of contact ar...
LABIAL ASPECT
 Mesioincisal slope is normally longer than
distoincisal slope
 Cervical line - even curvature apically.
...
PALATAL ASPECT
 Prominent cingulum, lingual & marginal
ridges.
 MP and DP fossae are present
 A tubercle at cusp/ Lingu...
PROXIMAL ASPECT
 Labiolingually tooth is thicker
 Cervical line depth is less as compared to
incisors and even less in d...
Dr. Rooban Thavarajah
 Incisal edge
 Diamond shaped
 Tip of cusp distal to centre of crown
 Mesial slope longer than d...
Dr. Rooban Thavarajah
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Morphology of Human Deciduous Maxillary Canine Tooth

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Prof. Rooban Thavarajah's Lecture series on tooth morphology. Morphology of Human Deciduous Maxillary Canine Tooth

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Morphology of Human Deciduous Maxillary Canine Tooth

  1. 1. Prof. Rooban Thavarajah Tooth Morphology Lecture Series Dr. Rooban Thavarajah
  2. 2. Dr. Rooban Thavarajah Deciduous Dentition Maxillary Canine
  3. 3. General considerations  Crown wide MD.  MD is slightly less than the incisocervical measurement.  Add Chronology and Dimension Dr. Rooban Thavarajah
  4. 4. Dr. Rooban Thavarajah Maxillary Canine  Does not resemble incisor (except root)  MD constricted @ cervix  Mesial, Distal surface appear convex  A single well developed sharp cusp  Long mesial & Short distal slope  Line joining contact areas bisect line drawn from cervix to tip of cusp  Roots – Long, slender, tapering and twice crown length
  5. 5. LABIAL ASPECT  Mesial & distal outlines bulge convexly to cervical line.  The height of contour - at level of contact area.  Mesial- distal contact areas - located - same level incisocervically (@ different levels permanent canine) Dr. Rooban Thavarajah
  6. 6. LABIAL ASPECT  Mesioincisal slope is normally longer than distoincisal slope  Cervical line - even curvature apically.  No developmental depressions or imbrication lines in root surface Dr. Rooban Thavarajah
  7. 7. PALATAL ASPECT  Prominent cingulum, lingual & marginal ridges.  MP and DP fossae are present  A tubercle at cusp/ Lingual ridge  Root – a distal inclination Dr. Rooban Thavarajah
  8. 8. PROXIMAL ASPECT  Labiolingually tooth is thicker  Cervical line depth is less as compared to incisors and even less in distal aspect  Mesial - Similar to incisor except  Crown height – greater  Cervical third greater Labiopalatally  Distal  Reverse of mesial side Dr. Rooban Thavarajah
  9. 9. Dr. Rooban Thavarajah  Incisal edge  Diamond shaped  Tip of cusp distal to centre of crown  Mesial slope longer than distal slope ( X of Lower canine, similar to permanent teeth)
  10. 10. Dr. Rooban Thavarajah
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