Abstract
A 25-year-old female existing with mild pain and discomfort during mastication in her right posterior maxillary tooth. On clinical examination, the maxillary first molar tooth was restored with a composite filling. The tooth did not respond to heat or cold test, and it was tender to percussion. Radiograph examination revealed poor obturation of the canals and the periodontal ligament space was broad but there was no definitive periapical radiolucency. Conservative non-surgical root canal treatment was performed; a total of seven root canals were detected and they were obturated by using the calcium-based sealer. Radiograph with RVG and CBCT also confirmed that all seven canals were properly obturated. Twelve months later, there were no clinical or radiographic changes of the treated tooth. These findings suggested that careful examination of the floor of the pulp chamber with RVG and CBCT help to find extra root canals.
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