Maxillary canine

1. AMIRA M. ELSHERBINI

2. 1
3
24

3. Lingual
labial
Distal
Mesial
Cusp = pyramidal elevation

4. Maxillary canine=
Caspid?!

5. Lingual
labial
Distal
Mesial

6. Strategy?!

7. As a rule (For each tooth )
 Chronology
 Is it a successor (has a predecessor)?
Notation and Position.
Function
 Description of Tooth aspects

8. As a rule (For each tooth )
Anomalies
Clinical consideration
Drawing
Occlusion
Pulp cavity
Self assessment

9. DESCRIPTION OF TOOTH ASPECTS
I. Crown
5aspects (facial, lingual, mesial, distal, incisal)
For each aspect:
• Measurement
• Geometric outline
• Borders (4), maximum convexity.(Contact area
,crest of curvature).
• Surface structure.

10. Description of Tooth aspects
II. Root
 outline (No., inclination), surface st. (DD, DG)

11.  Called corner stone, Fangs,
Or Cuspid.
 The longest tooth.
 Most stable.
 Last to be lost.
 Canine carnivore.
Maxillary Canine

12.  Chronology
 Is it a successor (has a predecessor)??
Notation and Position.
Function
 Description of Tooth aspects
 Anomalies &Clinical consideration
Pulp cavities & occlusion
Drawing & Self assessment
Maxillary Permanent Canine

13. Formed of 4 lobes 3 labial and 1 lingual
First evidence of calcification.. 4-5 mo
Crown completed.. 6- 7 y
Eruption.. 11-13 y
Root completion.. 13-15 y
Maxillary Permanent Canine
Chronology

14. Maxillary Permanent Canine
Notation??
There are 3 numbering or notation systems:
A.Palmer numbering system.
B.International (two digit) system. 13, 23
C.Universal numbering system #6,#11
3 3,

15. Maxillary Permanent Canine
Position?

16. Maxillary Permanent Canine
Function
• Support the maxillary incisors.
• Incision (shearing and tearing
of food)
• Esthetics (Canine eminence)
• Stability of restorations.
• “Canine guidance” : guide the
tooth into intercuspal position

17. Maxillary Permanent Canine
 Chronology
 Is it a successor (has a predecessor)??
 Notation and Position.
 Function
 Description of Tooth aspects
 Anomalies &Clinical consideration
 Pulp cavities & occlusion
 Drawing & Self assessment

18. Labial Aspect [1]
I. Crown
Measurements
Geometric out line
Borders
I. The mesial outline
Contact area
II. The distal outline
 Contact area
⅓
½
½
2/3

19. Labial Aspect [2]
Borders
III. Cervical line
IV. The incisal outline
cusp
Mesial & Distal slopes
cusp tip
Labial cusp ridge (Labial ridge)

20. Labial Aspect [3]
 Surface description:
 Cervical ridge
 Labial ridge.
 2 developmental depressions on either side of the
labial ridge.
II.Root
slender, conical with distally curved apex
The root surface is smooth and convex at all points

21. PALATAL ASPECT [1]
I. crown
Outlines
Measurement
Lingual convergence
 Surface description (elevations and depression)
 Cingulum (lingual lobe)
 Marginal ridges
 Lingual ridge
 2 palatal fossae

22. PALATAL Aspect [2]
II. Root
convex, narrower

23. MESIAL ASPECT [1]
I. crown
Measurement
 Geometric out line
 Borders
I. Labial outline
 Crest of curvature
II. Lingual outline
 Crest of curvature

24. MESIAL ASPECT [2]
 Borders
III. Cusp (line bisecting the cusp is labial to the mid line)
IV. Cervical line
 Surface description
 II. Root
Measurements
Labial & Ling. Outline
Apex
Surface description (smooth except shallow DD)

25. Distal Aspect
 I. Crown
 Outlines
Similar in to the mesial aspect Except
I. Cervical line
II. contact area
III. Cusp region (incisional area)
IV. Marginal ridge
Surface description
 II. Root deeper DD

26. Incisal Aspect
 Crown superimposed on the root
 Measurements LL> MD & L>Ling
 I. Outline
 Geometric outline (Diamond)
 Labial outline.
 M&D contact.
 M&D sides.
 cingulum
 2 fossae
 Il. Cusp tip (labial and mesial )

27. 1. Conservative treatment with esthetic restoration
should be the first choice to preserve the normal
facial shape.
2. Variations
o a cusp-like tubercle is found on the cingulum.
associated with Lingual pits or sharp pointed cusp tip
o The root varies in length
Clinical consideration

28. The canine may be malposed or impacted.

31. Pulp cavities

32. Anatomy of the pulp cavity
1. Pulp chamber
2. Pulp canal
3. Pulp horn
4. Apical foramen
5. Lateral (Accessory)canal
6. Supplementary canal
7. Anastomosis

34. General rules
1- The outline of the pulp cavity generally
corresponds to the external contour of the
tooth
2- Cusp anatomy  pulp horn
3- Root canal
several classifications but mostly at least one
root canal in each root /(branch)

39. Pulp cavities of maxillary canine
General out line
Description
Mesiodistal section (labial section)
I. pulp chamber & pulp canal
Labioligual section (Mesial section)
I. pulp chamber & pulp canal
Cervical cross section
Mid Root cross section

41. General out line
Pulp cavity of maxillary canine has LL>
MD measurement of any anterior tooth.
Longest root and longest root canal.

43. Labial section (Mesiodistal section)
• Pointed incisally represent the cusp, pulp
horn
• Widens near cervical limit and narrowest at
the cusp
Pulp chamber
• Same length from cervical third till apical zone
• Then taper to singleforamen
• Mesial or Distal curve may be presnt.
Pulp canal

44. Mesial section (labiolingual section)
• Pointed incisally
• Widens to the mid cingulumlevel
• Labial margin slightly convex
• Lingual marginbulging in cigulum
Pulp chamber
• LL>MD
• May taper gradually
• Or at apical third become greatly constricted while the
foramen is still larger than incisor.
• Foramen may be at the center or labial.
Pulp canal

45. Cervical section
 Ovoid and
wider LL
Mid root section
less ovoid,
sometimes circular

47. Clinical hint!

50. Questions??

51. At the age of ten years, the maxillary
lateral Incisor has its distal contact with which
of the following
a) Permanent Canine
C) deciduous Canine
d) Permanent premolar
e)No distal contact

52. As a rule the Distal cusp slope is longer
than the Mesial one in cuspid and
bicuspid teeth Except
a.upper first premolar and upper canine
b. upper first premolar and lower canine
c. upper first premolar and primary lower canine
d. upper first premolar and primary upper
canine

53. The maxillary left canine notation by FDI
a) 13
b) 23
c) 43
d) 63