dental anatomy Permanent mandibular right third molar

1. DENTAL ANATOMY LAB
PERMANENT MANDIBULAR RIGHT
THIRD MOLAR

2. TOOTH NOTATION

3. PERMANENT MANDIBULAR RIGHT SECOND MOLAR
• Eruption
17 - 21 years
• Root Complete
18 - 25 years
CHRONOLOGY

4. BUCCAL
SURFACE
1. Mesiobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
2. Distobuccal cusp = Mesial cusp ridge + Distal cusp ridge.
3. Buccal developmental groove.
4. Cervical ridge.
5. Cervical line.
6. Root trunk.
7. Mesial Root & its apex.
8. Distal Root & its apex.
9. Bifurcation area.

5. BUCCAL
SURFACE
• Proximal Contact:
1- Mesial
Within middle third.
2- Distal
Within middle third.

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

7. 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.

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

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

10. 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. Mesial marginal ridge.
6. Distal marginal ridge.
7. Central fossa & central pit.
8. Mesial triangular fossa & mesial pit.
9. Distal triangular fossa & distal pit.
10.Central developmental groove.
11. Buccal developmental groove.
12. Lingual developmental groove.

11. OCCLUSAL
SURFACE
• 0utline:
Quadrilateral
OR
Ovoid.

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

13. QUESTION :
1-
2-
Time = 5 minutes.
Good Luck