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  • Title: Estimation of bone loss biomarkers as a diagnostic tool for peri-implantitis.
    Author: Rakic M, Struillou X, Petkovic-Curcin A, Matic S, Canullo L, Sanz M, Vojvodic D.
    Journal: J Periodontol; 2014 Nov; 85(11):1566-74. PubMed ID: 24878328.
    Abstract:
    BACKGROUND: The aims of this study are to estimate the profile of bone loss biomarkers in peri-implant tissues and to identify potential prognostic biomarkers of peri-implantitis. METHODS: Peri-implant crevicular fluid samples collected from 164 participants (52 patients with peri-implantitis, 54 with mucositis, and 58 with healthy peri-implant tissues) were analyzed using enzyme-linked immunosorbent assays to evaluate concentrations of the receptor activator of nuclear factor-κB (RANK), soluble RANK ligand (sRANKL), osteoprotegerin (OPG), cathepsin-K, and sclerostin. RESULTS: Concentrations of RANK, sRANKL, OPG, and sclerostin were significantly increased in patients with peri-implantitis compared with patients with healthy peri-implant tissues. Comparisons between peri-implantitis and mucositis demonstrated significantly higher values of sclerostin in peri-implantitis samples. Comparisons between mucositis and healthy peri-implant tissues showed significantly increased levels of RANK and cathepsin-K in mucositis. CONCLUSION: These results are suggestive of a role of sRANKL, OPG, and sclerostin as prognostic biomarkers in peri-implantitis.
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