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  • Title: Air-Abrasive Disinfection of Implant Surfaces in a Simulated Model of Periimplantitis.
    Author: Quintero DG, Taylor RB, Miller MB, Merchant KR, Pasieta SA.
    Journal: Implant Dent; 2017 Jun; 26(3):423-428. PubMed ID: 28486355.
    Abstract:
    INTRODUCTION: This in vitro study aimed to evaluate the ability of air-powder abrasion to decontaminate dental implants. MATERIALS AND METHODS: Twenty-six implants were inoculated with a Streptococcus sanguinis biofilm media in a novel periimplantitis defect model. Six implants served as controls, and 20 implants were disinfected with either the Cavitron JET Plus or the AIR-FLOW PERIO air-powder abrasion units. Residual bacteria were cultured, and colony forming units (CFUs) were totaled at 24 hours. RESULTS: As expected, negative control implant cultures showed no evidence of viable bacteria. Bacterial growth was observed on all positive control cultures, whereas only 15% of the experimental cultures displayed evidence of viable bacteria. The average CFU per streak for the positive control was 104 compared with a maximum of 10 and 4 CFUs for the Cavitron JET Plus and AIR-FLOW PERIO, respectively. There was a 99.9% reduction in bacteria for both air-powder abrasion instruments. CONCLUSION: Air-powder abrasion is an effective technique for the decontamination of dental implants, and the Cavitron JET Plus and AIR-FLOW PERIO are equally successful at eliminating viable bacteria from implant surfaces.
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