Do cavity on upper first molar by dr simon mc donald

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Do cavity on upper first molar by dr simon mc donald

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

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