Root canal retreatment challenge of abscess periapical in maxillary central incisors by aesthetic approach

Background Endodontic retreatment commonly correlated with the failure in initial endodontic therapy. Many factors causes failures in endodontic therapy, these include incomplete cleaning and shaping root canal and inadequate obturation. If the obturation of the root canal under filled, the root canal system could have become re-infected. Purpose of this case report is to present the challenge of a root canal retreatment of maxillary central incisors with periapical abscess. \nCase management A male, 23 years old patient came with the problem of discomfort feeling associated tooth 11 and 21. Patient felt pain of his tooth and tooth was enderness to percussion, but palpation and mobility were normal. Patient also reported a history of previous endodontic therapy approximately 1 year ago. The clinical examination showed there was a restoration acrylic crown on tooth 11 and 21. Radiological examination showed the root canal under filled with radiolucency in the \n eriapical area. Root canal retreatment that followed by the post fiber and zirconia crown as the final estoration. Conclusion Root canal re-treatment can be successful through complete re-cleaning and re-shaping the canal. The result of the root canal retreatment is favorable and the patient feels comfortable.