Upper Canine

Ist Dental Students - Morphology

1. Permanent
maxillary
canine

2. 1.The chronology of the tooth.
2.The morphology of the tooth.
3.Its clinical consideration
At the end of this lecture you must
know:

3. What is
maxillary
canine???

4. Introduction
Human canines are the longest
and most stable of teeth in the
dental arch. Only one tooth of this
class is present in each quadrant.
Canines are considered the
cornerstones of the dental arch.
They are the only teeth in the
dentition with a single cusp.

Maxillary canines by definition
are the teeth in the maxilla distal,
but closest to the incisors.

5. Nomenclatures
The maxillary canine also named:
• Cornerstones.
• Cuspids.

6. General characteristics of the
permanent canines
•All canines are the “Cornerstone” of the mouth
•Extra bulk of bone on the labial portion of root
called Canine eminence which help to support
facial muscles
•Longest root of any teeth making the canines the
most stable teeth
•In function, support the incisors and the premolars
(makes for a smooth transition)
•Longest tooth cervicoinsically

7. Why we have
canines????

8. Function
Canines in human has a limited function of tearing
food.

9. Chronology
• 1st. Evidence of calcification:
• Crown completed:
• Eruption:
• Root completion:
4 -5 months
6 -7 years.
11 – 13 years.
13 – 15 years.

10. Morphology
Labial Aspect: ( Facial Aspect )
I ) Crown:
1. geometric outline:
2. surface outlines:
- mesial outline: ( including contact area )
- Distal outline: ( including contact area )
- cervical outline:
- incisal outline: ( including cusp tip )
3. surface describtion:
II) Root:
1. Mesial outline:
2. Distal outline:
3. Apex:
4. surface describtion:
⅓
⅔
½
½

11. Morphology
Lingual Aspect: ( palatal Aspect )
I ) Crown:
1. geometric outline:
2. surface outlines:
- mesial outline: ( including contact area )
- Distal outline: ( including contact area )
- cervical outline:
- incisal outline: ( including cusp tip )
3. surface describtion:
II) Root:
1. Mesial outline:
2. Distal outline:
3. Apex:
4. surface describtion:

12. Morphology
Mesial Aspect: ( Proximal Aspect )
I ) Crown:
1. geometric outline:
2. surface outlines:
- Labial outline: ( including crest of curvature )
- Lingual outline: ( including crest of curvature )
- Cervical outline:
3. surface describtion.
II) Root:
1. Labialal outline.
2. Lingual outline.
3. Apex.
4. surface describtion.
⅓
⅔

13. Morphology
Distal Aspect: ( Proximal Aspect )
I ) Crown:
1. geometric outline:
2. surface outlines:
- Labial outline ( including crest of curvature )
- Lingual outline ( including crest of curvature )
- cervical outline.
3. surface describtion.
II) Root:
1. Labial outline.
2. Lingual outline.
3. Apex.
4. surface describtion.

14. Morphology
Incisal Aspect:
1. geometric outline:
2. dimensions.
3. surface outlines:
- Labial outline.
- Lingual outline.
- cusp tip and cusp slopes.
3. surface describtion.

15. Clinical consideration

16. 1. Anatomical

17. So we must choose
conservative
treatment as first
choice as we can to
preserve the normal
facial shape

18. 2. Esthetical
Canines appear during talking and laughing so
it must be restored with materials that
completely mimic the natural one.

19. 3. Variations of the
maxillary canine

20. Shape
- a cusp-like tubercle is found on the cingulum.
-Lingual pits occur only infrequently .
Size
On occasion, the root is unusually long or unusually short.

21. Position
The canine may be malposed or impacted.