dental anatomy Permanent maxillary right first molar

1. DENTAL ANATOMY LAB
PERMANENT MAXILLARY RIGHT
FIRST MOLAR

2. TOOTH NOTATION

3. PERMANENT MAXILLARY RIGHT FIRST MOLAR
• Eruption
6 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. Buccal developmental groove.
6. Cervical line.
7. Root trunk.
8. Mesiobuccal Root & its apex.
9. Distobuccal root & its apex.
10.Lingual root & its apex.
11. Trifurcation 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. Fifth cusp (Cusp of Carabelli).
4. Lingual developmental groove.
5. Cervical line.
6. Mesiobuccal Root & its apex.
7. Distobuccal root & its apex.
8. Lingual root & its apex.

7. MESIAL
SURFACE
1. Mesiobuccal cusp & its Mesial cusp ridge.
2. Mesiolingual cusp & its Mesial cusp ridge.
3. Fifth cusp (Cusp of Carabelli).
4. Mesial marginal ridge.
5. Mesial Contact area.
6. Cervical ridge.
7. Cervical line.
8. Root Trunk.
9. Mesiobuccal root & its apex.
10.Lingual root & its apex.
11. Trifurcation area.

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

9. DISTAL
SURFACE
1. Distobuccal cusp & its distal cusp ridge.
2. Distolingual cusp & its distal cusp ridge.
3. Distal marginal ridge.
4. Distal Contact area.
5. Cervical ridge.
6. Cervical line.
7. Root Trunk.
8. Mesiobuccal root & its apex.
9. Distobuccal root & its apex.
10.Lingual root & its apex.
11. Trifurcation area.

10. OCCLUSAL
SURFACE
1. Mesiobuccal cusp & its mesial and distal cusp ridge.
2. Distobuccal cusp & its mesial and distal cusp ridge.
3. Mesiolingual 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. Oblique ridge.
8. Central fossa & its central pit.
9. Distal fossa.
10.Mesial triangular fossa & its mesial pit.
11. Distal triangular fossa & its distal pit.
12. Central developmental groove.
13. Buccal developmental groove.
14.Lingual developmental groove.
15. Transverse groove of oblique ridge.
16.Distal Oblique groove.
17. Fifth cusp groove.

11. OCCLUSAL
SURFACE
• 0utline:
Square to Rhomboid.

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

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