Czynniki wpływające na niepowodzenie leczenia endodontycznego w praktykach stomatologów ogólnych w Japonii
Factors causing endodontic failure in patients who completed RCT
Main causes of treatment failure in patients who completed RCT were open apices (18/76), missed canal (12/76), insufficient enlargement of the root canal (10/76), perforation (9/76), fin isthmus (8/76), transportation (7/76), residual caries (7/76), root fracture (5/76), inaccessible root apex (4/76), and separated instruments (4/76) (table 2). The number of cases using CBCT is given in table 2.
Several factors were identified in one tooth
Factors causing endodontic failure in patients requiring apicoectomy after endodontic treatment
The causes of treatment failure in patients who needed apicoectomy after endodontic treatment were open apices (3/6), fenestration (1/6), accessory canal (1/6), and transportation (1/6) (table 3). The number of cases using CBCT is given in table 3.
Several factors were identified in one tooth in cases required tooth extractions
Factors causing endodontic failure in patients requiring tooth extraction after or without endodontic treatment
The main causes of treatment failure in patients who required tooth extraction after or without endodontic treatment were perforation (8/18), root fracture [...]

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