Canine presentation

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Canine presentation

  1. 1. Thursday, July 25, 2013 1
  2. 2. Similarities between Maxillary And Mandibular Canine… Thursday, July 25, 2013 2 prepared by Momal Ibrahim.. “Dow Dental college , duhs”
  3. 3. “Chronology” Maxillary Canine Mandibular Canine  Appearance of Tooth Bud: 5 (m. i. u). 5 (m. i. u).  Initiation of Calcification : 4-5 months. 4-5 months.  Crown Completion :Thursday, July 25, 2013 3
  4. 4. Introduction:  Canines are 3rd teeth from the mid line. “Canine eminence” is the elevated bone ridge over the labial portion of the roots. There are four canines placed at the corner of the mouth and hence called the „corner stones’ of the dentition. They have a single pointed cusp (also called cuspids): Mesial Contact : with lateral incisors.  Distal Contact : with 1st premolar.  Longest tooth in the entire arch (both crown & root). Thursday, July 25, 2013 4
  5. 5. Functions of Canine: Support. Esthetics. Cutting & tearing. Ideal smile. Thursday, July 25, 2013 5
  6. 6. Thursday, July 25, 2013 6
  7. 7. Labial Surface…. Thursday, July 25, 2013 7 Labial aspect Labial ridge Cusp tip Distal cusp ridge Mesial Cusp Ridge
  8. 8. Labial aspects: 1. Shape: Pentagonal. 2. Labial Surface: is convex. 3. Incisal Outline: Mesioincisal slope is generally shorter than distoincisal slope. 4. Cusp Tip: is located directly over the root center. 5. C.E.J: is curved towards the apex of the root. 6. Regardless of the prominency Labial ridge & Developmental depressions are present in both canines. 7. Height of contour: is in the cervical third. Thursday, July 25, 2013 8
  9. 9. Lingual Surface…. Thursday, July 25, 2013 9 Lingual aspect Cingulum Distal marginal ridge Distal lingual fossa Lingual ridge Mesial marginal ridge Mesial lingual fossa
  10. 10. Lingual Aspects: 1. Mesial , Distal and Incisal outlines: are similar to their labial surface. 2. Cervical outline: asymmetrical and offset towards distal. 3. Lingual ridge and Mesiolingual & Distolingual fossae are the only characteristic feature of canines. 4. Cingulum: is prominent in both canines. 5. Height of contour: is in the cervical third. Thursday, July 25, 2013 10
  11. 11. Mesial Surface…. Thursday, July 25, 2013 11Mesial aspect
  12. 12. Mesial Aspects: 1. Shape: triangular like incisors. 2. Dimensions: convex and widest labiolingually of any anterior teeth . 3. Labial outline: entirely convex with height of contour in cervical third. 4. Lingual outline: concane in incisal half and convex in cingulum area. 5. C.E.J: is evenly curved incisally. Thursday, July 25, 2013 12
  13. 13. Distal Surface…. Thursday, July 25, 2013 13 Distal aspect
  14. 14. Distal aspects: 1. In both canines Distal surface is similar to the Mesial surface of its own. Thursday, July 25, 2013 14
  15. 15. Incisal Surface…. Thursday, July 25, 2013 15 Incisal aspect
  16. 16. Incisal aspects: 1. Shape: roughly diamond . 2. Cingulum: is offset towards distal. 3. Labiolingually: crown is thicker towards mesial while distally it is thinner. Thursday, July 25, 2013 16
  17. 17. Root…. Thursday, July 25, 2013 17
  18. 18. Root: 1. Roots of both canines are single and the longest of the arch in which they are present. 2. Tip or Apex of the root is slightly offset towards distal. 3. Wider labiolingually than mesiodistally. 4. Cross section at the neck of the root is roughly ovoid. Thursday, July 25, 2013 18
  19. 19. Thursday, July 25, 2013 19 Message From My Side To All My 49 Friends…
  20. 20. Thursday, July 25, 2013 20

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