Re-root canal treatment and Re-Crown UR6

Patient presented with a chronic apical infection at UR6 which had an inadequate root canal treatment and an inadequately fitting porcelain fused to metal alloy crown. Distal open contact was also causing localised lateral periodontitis.The tooth was re-root filled and re-crowned with a new well fitting Porcelain fused to precious metal alloy crown. Existing PFM Crown was removed initially and coronal seal was established with a GIC build up supported by an aluminium temporary Crown. Re-root canal treatment was carried out under rubber dam isolation. The apical infection and buccal swelling resolved quickly after re-treatment. A passive amalgam core was constructed using an ‘oil-rig’ type design bonded with Panavia 21 resin cement. This is a very strong core material which would be completely enveloped by the overlying PFM Crown. Crown lengthened coronal structure to create an adequate ferrule in order to dissipate forces on the core material. Good retention-resistance form created in the prep for a stable crown. Adequate Biological width was maintained for preservation of good periodontal health. Good overall prognosis.
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