This study aimed to analyze the correlations of inflammatory cytokines, oxidative stress markers, and matrix metalloproteinases (MMPs) in gingival crevicular fluid (GCF) with peri-implantitis (PI). Forty patients receiving dental implantation were enrolled. There were 52 implants, which were divided into PI group (42 implants) and health implant (HI) group (10 implants). Fifty-two healthy teeth (HT) with the same names with affected teeth in the patients were selected as the control group. The periodontal status was recorded. The GCF was collected and quantified. The levels of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), hypersensitive C-reactive protein (hs-CRP), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), malondialdehyde (MDA), MMP-13, and MMP-8 were detected using enzyme-linked immunosorbent assay (ELISA). Results showed that the probing depth, sulcus bleeding index, GCF volume, and TNF-α, IL-6, hs-CRP, MMP-8, and MMP-13 levels in GCF in PI group were significantly higher than HI and HT groups, respectively (P < 0.01 or P < 0.05). The SOD and GSH-Px levels in PI group were significantly lower than HI and HT groups, respectively (P < 0.05). Excepting hs-CRP, there was no significant difference of each index between HI and HT groups (P > 0.05). In conclusion, TNF-α, IL-6, hs-CRP, SOD, GSH-Px, MMP-8, and MMP-13 are involved in the occurrence of PI, and they may be used as auxiliary indicators to evaluate the degree of PI. In addition, the clinical periodontal index probing depth and sulcus bleeding index are positively correlated with GCF volume, hs-CRP, MMP-8, and MMP-13.
CITATION STYLE
Song, Z., Weigl, P., & Wang, B. (2019). Correlations of inflammatory cytokines, oxidative stress markers, and matrix metalloproteinases in gingival crevicular fluid with peri-implantitis. European Journal of Inflammation. SAGE Publications Inc. https://doi.org/10.1177/2058739219845542
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