Do cavity on upper first molar by dr simon mc donald

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  • 1. Clinical Case
    DO cavity on upper first molar
    By Simon McDonald BDS
  • 2. 1
    Pre-op of DO on upper first molar.
  • 3. 2
    Completed cavity prep. Glass ionomerocclusal restoration was cut back and left as a base.
  • 4. 3
    Tab of V3 Tab-Matrix was bent mesially to give the advantage of a "contra-angle". Tab was then folded over on to the adjacent tooth.
  • 5. 4
    Tab of the matrix was trapped against adjacent tooth with a finger to prevent it from moving while placing the pink (medium) Wave-Wedge.
  • 6. 5
    Universal V3 Ring in place over the Wave-Wedge. Finger placement stabilized the V3 Tab-Matrix and ring while forceps were disengaged.
  • 7. 6
    Occlusal view of the sectional matrix in place.
  • 8. 7
    V3 Tab-Matrix wings were peeled away from the composite to de-bond the matrix. Side-hole in matrix gripped with Pin-Tweezers to wriggle matrix out.
  • 9. 8
    Buccal view of proximal contour after V3 Tab-Matrix removal, prior to any finishing. Note the marginal ridge form and lack of flash.
  • 10. 9
    Trimming was done using a diamond bur with no water. White area was the only region that needed finishing.
  • 11. 10
    Finished restoration.
  • 12. 11
    Pre-op radiograph.
  • 13. 12
    Post-op radiograph. No interproximal finishing was required.