dental anatomy lab Permanent Mandibular right first molar Demonstration

1. PERMANENT MANDIBULAR RIGHT
FIRST MOLAR
DENTAL
ANATOMY
LAB

2. TOOTH NOTATION

3. PERMANENT MANDIBULAR RIGHT FIRST MOLAR
• Eruption
6 - 7 years
• Root Complete
9 - 10 years
CHRONOLOGY

4. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

5. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

6. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

7. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

8. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

9. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

10. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

11. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

12. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

13. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

14. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11.Mesial Root & its apex.
12. Distal Root & its apex.
13. Bifurcation area.

15. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12.Distal Root & its apex.
13. Bifurcation area.

16. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
4. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
5. Distal cusp (
f
ifth cusp) & its mesial cusp ridge.
6. Mesiobuccal developmental groove.
7. Distobuccal developmental groove.
8. Cervical ridge.
9. Cervical line.
10.Root trunk.
11. Mesial Root & its apex.
12. Distal Root & its apex.
13.Bifurcation area.

17. BUCCAL
SURFACE
• Proximal Contact:
1- Mesial
At the junction between
occlusal and middle third.
2- Distal
Within middle third.
Mesial
Distal

18. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

19. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

20. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

21. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

22. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

23. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

24. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

25. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

26. LINGUAL
SURFACE
1. Mesiolingual cusp= Mesial cusp ridge + Distal cusp ridge.
2. Distolingual cusp = Mesial cusp ridge + Distal cusp ridge.
3. Part of Distobuccal cusp.
4. Lingual developmental groove.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal root & its apex.
9. Bifurcation area.

27. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

28. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

29. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

30. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

31. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

32. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

33. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

34. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Mesial marginal ridge.
4. Mesial Contact area.
5. Developmental Depression.
6. Cervical ridge.
7. Cervical line.
8. Mesial root & its apex.

35. MESIAL
SURFACE
• Contour Height
1- Buccal
Within cervical third.
2- Lingual
Within middle third.
Buccal
Lingual

36. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

37. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its Distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

38. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

39. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

40. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

41. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

42. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

43. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

44. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

45. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11. Part of mesial root.

46. DISTAL
SURFACE
1. Mesiobuccal cusp & its distal cusp ridge.
2. Mesiolingual cusp & its distal cusp ridge.
3. Distobuccal cusp & its distal cusp ridge.
4. Distolingual cusp & its distal cusp ridge.
5. Distal cusp (
f
ifth cusp).
6. Distal marginal ridge.
7. Distal Contact area.
8. Cervical ridge.
9. Cervical line.
10.Distal root & its apex.
11.Part of mesial root.

47. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

48. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2.Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

49. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3.Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove
15. Transverse ridge.

50. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4.Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

51. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove
15. Transverse ridge.

52. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6.Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

53. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

54. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8.Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

55. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9.Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

56. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

57. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11.Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove
15. Transverse ridge.

58. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12.Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

59. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13.Distobuccal developmental groove.
14.Lingual developmental groove.
15. Transverse ridge.

60. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove
15. Transverse ridge.

61. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Mesiolingual cusp & its mesial and distal cusp ridge.
3. Distobuccal cusp & its mesial and distal cusp ridge.
4. Distolingual cusp & its mesial and distal cusp ridge.
5. Distal cusp & its mesial and distal cusp ridge.
6. Mesial marginal ridge.
7. Distal marginal ridge.
8. Central fossa & central pit.
9. Mesial triangular fossa & mesial pit.
10.Distal triangular fossa & distal pit.
11. Central developmental groove.
12. Mesiobuccal developmental groove.
13. Distobuccal developmental groove.
14.Lingual developmental groove.
15.Transverse ridge.

62. OCCLUSAL
SURFACE
• 0utline:
Quadrilateral
OR
Hexagonal
OR
Pentagonal.

63. • WHEELER’S DENTAL ANATOMY,
PHYSIOLOGY AND OCCLUSION, 10TH.
Reference
END OF LAB