Abstract
Recently, a technical note describing a promising method for the management of infections after sinus bone grafting by irrigating the corresponding area with hydrogen peroxide based solution with an aid of a drain has been published. The aim of this paper was to present the histological and radiological results of the above mentioned technique. A total of 17 patients who have presented with infections secondary to sinus bone grafting enrolled in the study. During implant placement, bone was collected from the originally grafted site with a trephine burr for radiological examination via micro-computed tomography and histological examination. According to the results of the current study, Bio-Oss acted as a scaffold, and mature fibrous bone formed trabeculae, which assembled to an interlinked trabecular structure. Average results obtained from the microradiography confirmed the higher percentage of Bio-Oss (27.21% ± 3.31%) at the corresponding area; whereas the amount of newly formed bone was slightly lower (6.79% ± 1.13%) As a conclusion, this simple and minimally invasive technique might be beneficial in avoiding removal of bone graft material and could help in rescuing the former laborious procedure.
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