Journal of Prevention and Treatment for Stomatological Diseases ›› 2016, Vol. 24 ›› Issue (10): 561-566.doi: 10.12016/j.issn.2096-1456.2016.10.001

• Expert Forum • Previous Articles     Next Articles

Causes and management of post-treatment apical periodontitis

Yan-mei DONG()   

  1. Department of Endodontics, School of Stomatology of Peking University, Beijing 100081, China
  • Received:2016-05-05 Revised:2016-06-12 Online:2016-10-20 Published:2016-10-20
  • Contact: Yan-mei DONG


Endodontic treatment failure is usually characterised by the presence of post-treatment apical periodontitis, which may be persistent, emergent or recurrent. Understanding the causes of endodontic treatment failure and making a correct diagnosis are of paramount importance for the proper management of this condition. In clinical practise, endodontic treatment failure is mainly related to the poor quality of root canal treatment (RCT), the nature of the disease and the concomitant disease of the tooth. This article focuses on the above three factors and discusses the indications and basics of the procedures for optimal clinical management of this condition.

Key words: Endodontic treatment failure, Post-treatment disease, Root canal preparation, Root canal filling, Periapical lesions

CLC Number: 

  • R781.05

Figure 1

Retreatment of periapical disease caused by incomplete sealing"

Figure 2

Management of endodontic treatment failure caused by overfilling"

Figure 3

Vertical root fracture of 36 after root canal therapy"

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