| Case 6. Tooth 46. |
 Pre operative (click to enlarge) |
 Post operative |
 After 6 months |
| The patient had been referred by a periodontist who suspected that the bone loss on the distal aspect may have been of endodontic origin. Endodontic treatment was carried out in one appointment. At review six months later the bone had regenerated significantly.
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| Case 7. Tooth 35. |
 Pre-operative (click to enlarge) |
 Post-operative |
 12 month recall |
The patient was referred for an assessment and treatment of tooth 35. Although the tooth was symptomless, the radiograph displayed a lesion of endodontic origin at the apical limit of the post.
The post crown was removed and the tooth re- root treated. A perforation was identified and repaired using MTA and the post hole re-aligned. The tooth was reviewed after 12 months and was found to be symptom free. The radiograph showed that the lesion had healed.
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| Case 8. Tooth 36. |
 Pre-operative |
 Post-operative |
 8 month recall |
 3 year recall (click to enlarge) |
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| The patient was referred by a periodontist for root canal treatment of tooth 36. The tooth was symptomless, although it presented with a draining fistula. Conventional root canal treatment was carried out and tooth healed uneventfully. A third distal canal was noted at the time of obturation.
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| Case 9. Tooth 14. |
 Pre-operative |
 Post-operative |
 Post-operative with the bridge replaced |
 3 year recall (click to enlarge) |
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| The patient was referred by a specialist prosthodontist for assessment and treatment. Although the tooth was symptomless, the radiograph showed a large lesion related to the apical extent of the posts. The bridge was removed intact and the perforation repaired with a calcium sulphate barrier and MTA. The post was shortened and recemented permanently and the bridge was also cemented permanently. The lesion healed uneventfully.
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| Case 10. Tooth 46. |
 Pre-operative (click to enlarge) |
 Post-operative |
| The patient presented with pain from tooth 46. On examination a buccal fistula was found along with a pocket into the furcation. Conventional root canal treatment was carried out. The tooth was reviewed after one month, at which time the fistual had resolved and the and the pocketing healed.
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