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Technical Challenges with Posterior Composites

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22/08/2012 at 5:08 pm #15846
DrAnilDrAnil
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Figure 1  Lingual margin deterioration was evident in the initial presentation.Figure 1

 

Figure 2  Recurrent decay was visible after removal of the old amalgam.

Figure 2

Figure 3  Decay was removed and the internal cavity preparation was completed with an 1157 round-end fissure bur. Proximal margins were still irregular at this point.

Figure 3

Figure 4  Disking of proximal box margins to slightly flare and enhance bonding.

Figure 4

Figure 5  When the proximal box margin is still in enamel, a shallow bevel can be placed to enhance bonding.

Figure 5

Figure 6  Placement of the matrix band.

Figure 6

Figure 7  Flowable composite was used to form a thin seal at the proximal margins and internal line angles.

Figure 7

Figure 8  An extended light-cure was performed for the first layer of flowable composite due to the depth of the proximal box.

Figure 8

Figure 9  The restoration following application of the second layer of composite. Note adaptation and contour of matrix.

Figure 9

Figure 10  The final layer was sculpted to near-final contour, enabling less time to be spent on finishing.

Figure 10

Figure 11  The untouched composite after removal of matrix band.

Figure 11

Figure 12  The final result.

Figure 12