Andrea Ravida
This study will compare 2 methods to clean contaminated implant surfaces: air-polishing device versus titanium curette. Both of these methods will be used in the non-surgical and surgical setting, followed by implant removal. Then, in-vitro analysis to assess the efficacy of surface decontamination will be performed.
A screening visit will be performed to determine the elegibility of the individuals to participate in the study. Information related to the target implant (e.g., brand, material, surface, dimensions, time of function, history of treatment of peri-implantitis) and reconstruction (e.g., cemented or screwed prosthesis, single, multi-unit or full-arch) will be collected. Intra-oral radiographs will be obtained or exported from patients' dental records, and the marginal bone level (MBL) will be measured at the mesial and distal aspects of the implants by one calibrated investigator using an image a…
Inclusion criteria: * Adult individuals between 18 and 80 years of age who require the explantation of at least one titanium or titanium alloy implant due to severe peri-implantitis (\> 50% bone loss and signs of inflammation); * Individuals who did not undergo surgical or non-surgical peri-implant therapy in the previous 6 months. Exclusion criteria: * Acute infection associated with adjacent teeth; * Any technical complication that does not allow implant removal using a reverse torque device; * Active infectious diseases of any kind; * Medical conditions which requires premedication prior…
Titanium curettes (Hu-Friedy, Chicago, Illinois, USA) will be used for supra and submucosal around the implant, with and without flap elevation.
Air-polishing (Airflow Prophylaxis Master, EMS, Nyon, Switzerland) will be carried out with AIR-FLOW powder PLUS (EMS) containing erythritol (sugar alcohol, 14 μm), amorphous silica and 0.3% chlorhexidine to decontaminate implants with and without flap elevation. The device will be adjusted to a power setting of 5 bar static pressure and a maximum level of irrigation with water.
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