Int J Stomatol ›› 2024, Vol. 51 ›› Issue (5): 565-571.doi: 10.7518/gjkq.2024081

• Cariology and Endodontics • Previous Articles     Next Articles

Research progress on photothermal therapy-assisted root canal irrigation in the treatment of apical periodontitis

Siyue Lai(),Bolei Li,Lei Cheng()   

  1. State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2024-02-05 Revised:2024-06-01 Online:2024-09-01 Published:2024-09-14
  • Contact: Lei Cheng E-mail:laisiyuee@163.com;chengleidentist@163.com
  • Supported by:
    Young Scientists Fund of National Natural Science Foundation of China(82301058)

Abstract:

Apical periodontitis is an inflammation of the periapical area triggered by microbial infection. Root canal microorganisms can directly destroy the alveolar bone in the apical region as well as stimulate inflammation in the periapical tissues, thereby stimulating alveolar bone resorption. Root canal therapy primarily aims to control infection and promote healing of periapical lesions. Root canal irrigation is an important step in root canal therapy, and the ideal root canal irrigation agent should meet these two goals and be less cytotoxic. Photothermal therapy (PTT) is a new antimicrobial method, which uses photothermal agents to convert light energy into heat to control infection, promote bone formation, and inhibit bone resorption. In addition, PTT can form a good synergy with photodynamic therapy (PDT). When being applied to root canal irrigation, PTT could achieve the two goals of root canal therapy. Thus, this article summarized the antibacterial effect of PTT on common microorganisms in infected root canals and its effect and mechanism on bone repair in the apical region. The synergistic effect of PTT and PDT was also initially discussed, which provides a basis for the further application of PTT in root canal irrigation.

Key words: photothermal therapy, photothermal agents, root canal irrigation, antimicrobial, bone remodeling, photodynamic therapy

CLC Number: 

  • R781.05

TrendMD: 
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