Int J Stomatol

Int J Stomatol ›› 2026, Vol. 53 ›› Issue (4): 496-502.doi: 10.7518/gjkq.2026126

• Implantology • Previous Articles     Next Articles

Progress on etiology and treatment of retrograde peri-implantitis

Weiyao Xia1(),Jing Wang2,Yili Qu1()   

  1. 1.State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Prosthodontics Ⅱ, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
    2.State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2025-04-22 Revised:2026-02-09 Online:2026-07-01 Published:2026-06-25
  • Contact: Yili Qu E-mail:xwy20000615@163.com;qqyili@126.com
  • Supported by:
    Key Research and Development Project, Science and Technology Department of Sichuan Province(2024YFFK0200);Youth Project of Sichuan Provincial Natural Science Foundation(2024NSFSC1598)

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Abstract:

Retrograde peri-implantitis (RPI) is an infrequent biological complication that occurs in the apical region of implants, presenting as a circular or irregular low-density image surrounding the implant apex. It is one of the most important causes of early implant failure. The etiology and pathogenesis of RPI remain incompletely understood. Studies have shown that it may be related to multiple factors, including bacterial infection, bone overheating, and foreign body reactions. Furthermore, the treatment for RPI is not standardized. In this article, the etiology and treatment of RPI are reviewed to provide a reference for the prevention and treatment of this disease in clinical practice.

Key words: retrograde peri-implantitis, apical periodontitis, prevention and treatment strategy

CLC Number: 

  • R781.4

TrendMD: 

Fig 1

Imaging classification of RPI related to adjacent pulp infection or AP"

Fig 2

Treatment strategy for RPI"

Fig 3

Management of adjacent teeth with chronic apical periodontitis prior to surgery"

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