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Cuspids (Canines)

*. *. *. Cuspids (Canines). *. Chapter 16. Maxillary and Mandibular Cuspids. Anterior #s: 6, 11, 22, 27 Single cusp Largest single root Cusp ridges instead of incisal edge. 6. 27. Maxillary Cuspid (Canine, Eye Tooth). Longest tooth. #6.

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Cuspids (Canines)

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  1. * * * Cuspids (Canines) * Chapter 16

  2. Maxillary and Mandibular Cuspids • Anterior • #s: 6, 11, 22, 27 • Single cusp • Largest single root • Cusp ridges instead of incisal edge 6 27

  3. Maxillary Cuspid (Canine, Eye Tooth) • Longest tooth #6 Woelfel and Scheid. Dental Anatomy, 6th Edition. Lippencott, Williams, and Wilkins, 2002, p. 134.

  4. Maxillary Cuspid (Canine, Eye Tooth) • Location: Anterior, between the lateral incisor and the 1st premolar • Tooth #s: 6, 11 • Largest single root (stable) • Cornerstone • Cusp ridges instead of an incisal edge 6 Woelfel and Scheid. Dental Anatomy, 6th Edition. Lippencott, Williams, and Wilkins, 2002, p. 134.

  5. Maxillary Cuspid (Canine) • Canine eminence: protruding bony ridge above the maxillary cuspid and below the mandibular cuspid Fehrenbach. Illustrated Anatomy of the Head and Neck, 2nd Edition. W. B. Saunders Company, Philadelphia, 2002, p. 64.

  6. Maxillary Cuspid (Canine) • Eruption: 11 – 12 years old

  7. Maxillary Cuspid: Facial View • Prominent labial ridge • Notches on mesial and distal cusp ridges • Mesial cusp ridge is shorter than distal cusp ridge distal mesial

  8. Maxillary Cuspid: Facial View Root apex CEJ Distal height of contour Mesial height of contour Distal cusp ridge Mesial cusp ridge Cusp apex

  9. Maxillary Cuspid: Facial View Is the red line the mesial or distal side? How many cusp ridges does a cuspid have?

  10. Maxillary Cuspid: Facial View Purple line (distal cusp ridge) is longer than mesial cusp ridge Is the red line the mesial or distal side? mesial How many cusp ridges does a cuspid have? two

  11. Maxillary Cuspid: Facial View • Contact areas: mesial closer to the incisal than distal mesial distal

  12. Maxillary Cuspid: Facial View • Line angles: mesial sharper than the distal mesial distal

  13. Maxillary Cuspid: Height of Contour Mesial: junction of incisal and middle 1/3 Distal: middle 1/3 Facial: cervical 1/3 Lingual: cervical 1/3 distal mesial

  14. Maxillary Cuspid: Lingual View Cingulum Distal marginal ridge Mesial marginal ridge Mesial cusp ridge Distal cusp ridge Mesiolingual fossa Distolingual fossa Lingual ridge

  15. Maxillary Cuspid: Mesial and Distal View Mesial Distal

  16. Maxillary Cuspid: Mesial and Distal View • Mesial CEJ is more • curved than distal • Mesial CEJ dips • closer to the incisal • than distal view • Anterior CEJs more • curved than posterior Mesial Distal

  17. Maxillary Cuspid: Root • Narrow mesial to distal • Broad labiolingually • Root depressions on mesial and distal common • Longer root than incisors D M Lingual Labial Facial View Proximal View

  18. Cuspid: Incisal View • Triangular shape • Facial wider than lingual • Distal pinched • Prominent lingual ridge 11

  19. Mandibular Cuspid • Longer/narrower crown than maxillary cuspid 22

  20. Mandibular Cuspid (Canine) • Canine eminence: protruding bony ridge above the maxillary cuspid and below the mandibular cuspid Ash. Wheeler’s Dental Anatomy, Physiology and Occlusion, 7th Edition. W. B. Saunders Company, Philadelphia, 1993, p. 371.

  21. Mandibular Cuspid: Facial View

  22. Mandibular Cuspid: Facial View • Mesial cusp ridge shorter than distal cusp ridge

  23. Mandibular Cuspid: Facial View • Mesioincisal line angle sharper than distoincisal line angle

  24. Mandibular Cuspid: Lingual View • Less prominent marginal ridges, lingual ridge, fossae, and cingulum than maxillary cuspids # 27

  25. Mandibular Cuspid: Root • Most often single, occasionally bifurcated • Bifurcation: buccal and lingual roots Mesial Woelfel and Scheid. Dental Anatomy, 6th Edition. Lippencott, Williams, and Wilkins, 2002, p. 134.

  26. Maxillary and Mandibular Comparison: Proximal View • Less prominent , lingual ridge, cingulum, height of contour on the mandibular cuspids in comparison to maxillary cuspids Maxillary R Mand. R Woelfel and Scheid. Dental Anatomy, 6th Edition. Lippencott, Williams, and Wilkins, 2002, p. 140.

  27. Maxillary and Mandibular Comparison: Incisal View • Helps to determine right from left • Maxillary: distal pinch • Mandibular: distal swing Woelfel and Scheid. Dental Anatomy, 6th Edition. Lippencott, Williams, and Wilkins, 2002, p. 140. Max. R Mand. R

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