DENTAL ANATOMY 1st Semester 2008/2009 Academic Year Department of Stomatology

1. DENTAL ANATOMY 1st Semester 2008/2009 Academic Year Department of Stomatology School of Stomatology Wenzhou Medical College

2. Morphology of the Permanent Canines YANG Jing-yuan LI Hong-qing

3. Section 1 • General description of canines • Functions • General characteristics or class traits of canines

4. Objectives • Describe the functions of canines • Class traits applied to all canines • Select and separate out the canines from a selection of permanent teeth

5. Can you find the canines ? • Location • The universal number

7. Cornerstones • the meaning from : www.dictionary.com • n.   • A stone at the corner of a building uniting two intersecting walls. • Such a stone, often inscribed, laid at a ceremony marking the origin of a building. • An indispensable and fundamental basis. • Why do we call canines cornerstones?

8. Two reasons • The position of canines

9. The function • cuspids • Eyeteeth • fangs • Dog’s teeth 犬齿 • Tiger’s teeth 虎牙

10. Name origin of “canine” • Greek • Aristotle: it’s sharp like an incisor but broader at the base like a molar • Celsus: monoradicular

11. A FUNCTIONS 1 Support

12. 2 Cut\pierce\shear

13. 3 protective

14. B GENERAL CHARACTERISTICS OR CLASS TRAITS 1 Size of canines

15. 2 Incisal ridges and cusp tips of canines

16. 3 Labial contour of canines

17. 4 Crown proportions of canines

18. 5 Canine traits that are similar to incisal traits

19. Section 2 • Arch traits for canines • Canine from the labial view • Canine from the lingual view • Canine from the proximal view • Canine from the incisal view

20. Objectives • Describe the arch traits • Describe and identify the different surface for all canines • Assign a Universal number to canines • Judge the location of a canine