Expeditious root canal filling without debridement leads to failure

Patient: 21 year-old male in excellent health

Chief Complaint: asymptomatic

Dental History: The patient reported having had root canal treatment in 2009 on teeth #’s 18 and 19 and was referred by an out-of-town endodontist (patient was a local student) to the author for examination. The patient had been prescribed antibiotics for the radiographic presentation of a periapical radiolucency and mismanaged previous endodontic treatment with a suspected separated instrument. (Tooth #19)