Failure of endodontic treatment: The usual suspects

Sadia Tabassum, Farhan Raza Khan

Research output: Contribution to journalArticlepeer-review

236 Citations (Scopus)


Inappropriate mechanical debridement, persistence of bacteria in the canals and apex, poor obturation quality, over and under extension of the root canal filling, and coronal leakage are some of the commonly attributable causes of failure. Despite the high success rate of endodontic treatment, failures do occur in a large number of cases and most of the times can be attributed to the already stated causes. With an ever increasing number of endodontic treatments being done each day, it has become imperative to avoid or minimize the most fundamental of reasons leading to endodontic failure. This paper reviews the most common causes of endodontic failure along with radiographic examples.

Original languageEnglish
Pages (from-to)144-147
Number of pages4
JournalEuropean Journal of Dentistry
Issue number1
Publication statusPublished - 2016


  • Endodontics
  • Periapical periodontitis
  • Root canal therapy


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