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Endodontic failures--changing the approach

G S Cheung1

  • 1Department of Conservative Dentistry, University of Hong Kong, Faculty of Dentistry, Hong Kong.

International Dental Journal
|June 1, 1996
PubMed
Summary
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Bacterial infection causes most endodontic failures. Treatment involves identifying the infection source, with orthograde retreatment for root canal system issues and periapical surgery for persistent or extra-radicular infections.

Area of Science:

  • Dentistry
  • Endodontics
  • Restorative Dentistry

Background:

  • Endodontic failures are primarily caused by persistent bacterial infections within the root canal system or extra-radicular sites.
  • Infection sources include missed canals, coronal leakage, and inadequate root fillings.
  • Effective management necessitates accurate diagnosis of the infection's origin.

Purpose of the Study:

  • To discuss the relationship between endodontics and restorative dentistry in managing endodontic failures.
  • To outline treatment planning strategies for persistent endodontic infections.
  • To review success rates of orthograde and surgical retreatment options.

Main Methods:

  • Literature review and discussion of clinical management strategies.

Related Experiment Videos

  • Analysis of treatment planning for endodontic failures.
  • Evaluation of reported success rates for orthograde retreatment and periapical surgery.

    • Main Results:

    • Orthograde retreatment is indicated for infections within the root canal system, including missed canals and inadequate obturation.
    • Periapical surgery is reserved for cases with no healing post-orthograde retreatment or for extra-radicular infections.
    • Successful management hinges on precise identification of the infection source and appropriate treatment selection.

    Conclusions:

    • Bacterial infection is the principal cause of endodontic failure, requiring targeted management.
    • Treatment planning must consider the interplay between endodontic and restorative procedures.
    • Both orthograde retreatment and periapical surgery offer viable solutions with varying success rates depending on the clinical scenario.