[File:Cross sections of teeth intl.svg|thumb|300px|1.
Tooth 2.
Enamel 3.
Dentin 4.
Dental pulp- 5. cameral pulp
- 6. root pulp
- 7.
- 8.
- 9.
- 10. Sulcus
- 11.
- 12. Root
- 13. Furcation
- 14. Root apex
- 15.
16.
17.
- 18. :
- 19. free or interdental
- 20. marginal
- 21. alveolar
- 22.
- 23.
24. Vessels and nerves:
- 25. dental
- 26. periodontal
- 27. alveolar through channel]]