RT Journal Article T1 Decontamination of biofilm-contaminated implant surfaces: An in vitro evaluation A1 Ichioka, Yuki A1 Virto Ruiz, Leire A1 Nuevo, Paula A1 Gamonal, Juan Daniel A1 Derks, Jan A1 Larsson, Lena A1 Sanz, Mariano A1 Berglundh, Tord AB Objectives: The aim of the present study was to evaluate the cleaning efficacy of two mechanical and two chemical protocols in the decontamination of implant surfaces. Methods: In total, 123 commercially available implants were mounted in plastic models mimicking peri-implant circumferential intra-bony defects. A multispecies biofilm was grown on implant surfaces. Mechanical (air-polishing (AP), rotating titanium brush (TiB)) and chemical decontamination (alkaline electrolyzed water, N-acetyl-L-cysteine) protocols were used. Cleaning efficacy in terms of residual biofilm area, chemical surface properties, and bacterial counts were analyzed by scanning electron microscopy, energy-dispersive X-ray spectroscopy, and quantitative polymerase chain reaction. Results: Surface decontamination protocols including use of an AP device or a rotating TiB were superior in terms of biofilm removal and in reducing atomic% of Carbon on implant surfaces when compared to methods restricted to wiping with gauze. The use of chemical agents as adjuncts to the mechanical cleaning protocols provided no relevant overall benefit over saline. No treatment modality, however, resulted in complete biofilm removal. Conclusion: Air-polishing and rotating TiB were more effective implant surface decontamination protocols than wiping with gauzes. Use of chemical agents did not improve cleaning efficacy PB John Wiley & Sons Ltd YR 2023 FD 2023 LK https://hdl.handle.net/20.500.14352/92487 UL https://hdl.handle.net/20.500.14352/92487 LA eng NO : Ichioka, Y., Virto, L., Nuevo, P., Gamonal, J. D., Derks, J., Larsson, L., Sanz, M., & Berglundh, T. (2023). Decontamination of biofilm-contaminated implant surfaces: An in vitro evaluation. Clinical Oral Implants Research, 00, 1–15. NO TUA research funding NO University of Gothenburg and the National Microscopy Infrastructure DS Docta Complutense RD 29 abr 2025