Establishment of Peri-implantitis treatment using a dual-purpose graft and cell transplantation.

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The purpose of the present study was to evaluate cell biocompatibility and decontamination effect using β-TCP air-abrasion and BMP-2-incorporated PLGA microcapsule. β-TCP air abrasion decontamination led to microscopically visible alterations of the implant surface, however, it seems have a good potential to remove cytotoxic bacterial components from titanium surfaces. BMP-2 encapsulation efficiency from PLGA microcapsules was 37.5%. BMP-2 incorporated PLGA microcapsule elevated alkaline phosphatase activity in preosteoblasts. These results obtained suggest that encapsulated BMP-2 induces bone regeneration on titanium surface after removing cytotoxic bacterial components by β-TCP air-abrasion.