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Maxillary first molar with five canals
  1. Fahad Umer
  1. Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan
  1. Correspondence to Dr Fahad Umer, fahadumeris{at}


Root canal treatment is a technically demanding procedure especially in the case of maxillary first molar where the anatomy is extremely variable. Failure to recognise and treat these variations may lead to unpredictable outcomes. This case report describes non-surgical endodontic treatment of a maxillary first molar with two palatal and two mesiobuccal canals. It also highlights the need for good anatomical knowledge of root canal morphology and its variations in order to achieve consistently successful results.

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