Shanghai Journal of Stomatology ›› 2019, Vol. 28 ›› Issue (1): 63-66.doi: 10.19439/j.sjos.2019.01.012

• Original Articles • Previous Articles     Next Articles

Effect of photodynamic therapy on interleukin in gingival crevicular fluid from patients receiving oral implantation

ZHOU Lin-yi, ZHANG Chu-nan, GU Ying-xin, LAI Hong-chang   

  1. Department of Implant Dentistry, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology. Shanghai 200011, China
  • Received:2018-01-05 Revised:2018-03-22 Online:2019-02-25 Published:2019-04-12

Abstract: PURPOSE: Photodynamic therapy (PDT) has been applied in treatment of peri-implantitis for its antimicrobial effects. The aim of the study was to evaluate the effects of a Denfotex PAD Light System's photodynamic therapy on prevention of peri-implantitis. METHODS: Twenty patients with implants in molar area were treated with photoactivated disinfection right after completion of suprastructures. The irradiation time was 30 seconds for mesial, distal, buccal and lingual/palatal sites respectively at a power output of 100mW. Gingival crevicular fluid (GCF) samples from these patients were obtained before photodynamic treatment, 2 weeks and 3 months after treatment. GCF was collected using paper points, and enzyme-linked immunosorbent assay (ELISA) was performed to determine the cytokine (IL-1β, ΤΝF-α, IL-6 and ΙL-17) levels. The data were analyzed with SPSS 23.0 software package. RESULTS: ELISA showed IL-1β and ΤΝF-α levels of all patients were decreased 2 weeks and 3 months after treatment. Reduction of IL-1β, ΤΝF-α, IL-6 and IL-17 from 2 weeks to 3 months and from baseline to 3 months all showed a significant difference (P<0.05). CONCLUSIONS: Denfotex PADTM light system is effective in reducing peri-implant inflammatory mediators and can work as an effective treatment to prevent peri-implantitis.

Key words: Peri-implantitis, Photodynamic therapy, IL-1β, TNF-α, IL-6, IL-17

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