dental anatomy lab Dental surfaces and thirds

1. Dental Anatomy
LAB 2
Dental Surfaces and Thirds

2. 1- Maxillary
2- Mandibular
Dental Arches
1
2

3. Dental Quadrants
MedianLine

4. 1- Crown
2- Root
Tooth parts
1
2

5. 1- Enamel 2- Dentin 4- Cementum
3- Pulp
Tooth tissues
1
2
3
WithinCrown
Within Root
• Dentinisthemainbulkoftooth.
• AllthetissuesareHardexceptPulpissoft.
1
2
4
3

6. 1- Pulp Chamber 2- Pulp Canal
Pulp Parts
WithinCrown
Within Root
1
2
1
2

7. Dentition Types:
1. Primary (Deciduous) teeth. 2. Permanent (Succedaneous)teeth.

8. Dentition Division:
1. Anterior teeth. 2. Posterior teeth.

9. Labial Surface
• Maxillary and mandibular .
• Anterior teeth .
• Face : Lip .

10. Buccal Surface
• Maxillary and mandibular .
• Posterior teeth .
• Face : Cheek .

11. Facial Surface
• Maxillary and mandibular .
• Anterior and Posterior teeth .
• Face : Lip and Cheek .

12. Lingual Surface
• Maxillary and mandibular .
• Anterior and Posterior teeth .
• Face : Tongue .

13. Palatal Surface
• Anterior and Posterior teeth .
• Maxillary .
• Face : Tongue.

14. Incisal Surface
• Anterior teeth .
• Maxillary and Mandibular .
• Face : opposite arch teeth .

15. Occlusal Surface
• Posterior teeth .
• Maxillary and Mandibular .
• Face : opposite arch teeth.

16. Distal Surface
Mesial Surface
Called Proximal Surface
Example : Permanent Maxillary right second molar

17. • Mesio-distal in anterior and posterior .
• Labial, Buccal and lingual Aspect .
• Crown and Root .
DIVISIONOFTHIRDS

18. • Labio-lingual in anterior .
• Mesial and Distal Aspect .
• Crown and Root .
—————————————
• Buccolingual in posterior .
• Mesial and Distal Aspect .
• Crown and Root .
DIVISIONOFTHIRDS

19. • Cervicoincisal in crown (Anterior) .
• In Mesial , Distal , Labial and lingual.
———————————————————
• Cervico-occlusal in crown (Posterior) .
• In Mesial , Distal , Buccal and lingual.
DIVISIONOFTHIRDS

20. • Cervico-apical in Roots
(Anterior and Posterior).
• Mesial , Distal ,Labial ,Buccal and Lingual
Aspect .
DIVISIONOFTHIRDS
Cervical
Middle
Apical

21. ENDOFLAB