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BASIM ZWAIN LECTURES
DENTAL ANATOMY
PERMANENT CANINES
Professor Dr. Basim Zwain
Faculty of Dentistry
University of Kufa
Ba...
Notes about the canines
They are placed in the corner of the
mouth, which help in keeping facial
expression, and they are ...
The middle labial lobe is highly
developed incisally into a strong
well formed cusp.
PERMANENT CANINES
MAXILLARY CANINES
Principal identifying features
Single pointed cusp with the distal
slope of the cusp is longer than the
mesial slope.
Mark...
Labial Aspect
The mesial outline of the crown is convex, with
the crest of curvature at the junction of the
incisal and mi...
Labial Aspect
The labial surface of the crown is smooth except
for shallow depressions mesially and distally
dividing the ...
Lingual Aspect
The tooth is narrower lingually than labially.
The cingulum is larger than the max. incisors.
A well develo...
Mesial Aspect
The labial and lingual outlines of the
crown are more convex than the max.
incisors.
The cervical line curva...
Distal Aspect
The cervical line curvature is less
distally than mesially.
The developmental depression of the
root is more...
Incisal Aspect
The labiolingual dimension is greater
than the mesiodistal.
The ridge of the middle labial lobe is
very not...
Principal identifying features
It is narrower mesiodistally and labiolingually than max. canine.
The lingual surface of th...
14
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Permanent canines
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Permanent canines

  1. 1. BASIM ZWAIN LECTURES DENTAL ANATOMY PERMANENT CANINES Professor Dr. Basim Zwain Faculty of Dentistry University of Kufa Basim.zwayen@uokufa.edu.iq
  2. 2. Notes about the canines They are placed in the corner of the mouth, which help in keeping facial expression, and they are between incisors and the premolars. They are the longest teeth in the mouth. They are the most stable teeth in the mouth because: a) Large labiolingual thickness of the tooth. b) Long roots are anchored well in the alveolar bone. c) The crown’s shape promotes cleansiness so they are less prone to caries. PERMANENT CANINES
  3. 3. The middle labial lobe is highly developed incisally into a strong well formed cusp. PERMANENT CANINES
  4. 4. MAXILLARY CANINES
  5. 5. Principal identifying features Single pointed cusp with the distal slope of the cusp is longer than the mesial slope. Marked convex labial outline and bulky palatal cingulum. Very long single root. M D MAXILLARY CANINES
  6. 6. Labial Aspect The mesial outline of the crown is convex, with the crest of curvature at the junction of the incisal and middle thirds. The distal outline of the crown is slightly concave from the cervical line to the crest of curvature which is at the centre of the middle third. The distal slope of the cusp is longer than the mesial slope. The cervical line is convex, with the convexity towards the root portion. M D MAXILLARY CANINES
  7. 7. Labial Aspect The labial surface of the crown is smooth except for shallow depressions mesially and distally dividing the three labial lobes. The middle lobe is much more developed producing the labial ridge. The root is long, conical, and the apex is distally curved. M D MAXILLARY CANINES
  8. 8. Lingual Aspect The tooth is narrower lingually than labially. The cingulum is larger than the max. incisors. A well developed lingual ridge confluent with the cusp tip, which divides the lingual fossa into two fossae. There are developmental depressions mesially and distally extending for most of the root length. MAXILLARY CANINES MD
  9. 9. Mesial Aspect The labial and lingual outlines of the crown are more convex than the max. incisors. The cervical line curvature is 2.5mm. A line bisecting the cusp is labial to a line bisecting the root. There is a shallow developmental depression on part of the root. MAXILLARY CANINES
  10. 10. Distal Aspect The cervical line curvature is less distally than mesially. The developmental depression of the root is more pronounced. MAXILLARY CANINES
  11. 11. Incisal Aspect The labiolingual dimension is greater than the mesiodistal. The ridge of the middle labial lobe is very noticeable labially. It’s greatest convexity is at the cervical third, and as it reaches the cusp tip it becomes flatter. The cingulum is well developed and makes a small arc when compared with the labial outline which is a big arc. The cusp tip is labial to the center labiolingually, and mesial to the center mesiodistally. MAXILLARY CANINES
  12. 12. Principal identifying features It is narrower mesiodistally and labiolingually than max. canine. The lingual surface of the crown is smoother, with less cingulum development and less bulk to the marginal ridges than the max. canine. The cusp is not as well developed as max. canine, and the cusp ridges are thinner labiolingually. The cusp tip is on a line with the center of the root, from the mesial or distal aspect. The mesial slope of the cusp is shorter than the distal slope. The distal outline of the crown is more rounded than the mesial. The mesial surface of the crown is nearly straight with the mesial surface of the root, the contact area being near the mesioincisal angle. The distal contact area is more towards the incisal than the max. canine MANDIBULAR CANINES
  13. 13. 14 Thank you
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Lectures on Dental Anatomy

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