“…After debridement, obliteration of the remaining cavity is achieved by different methods, such as using the surrounding soft tissues [2], calcium hydroxyapatite [15], bone cement [8,9,11,13], collagen sponge [10], plaster of Paris [2], lactic acid oligomer [18], or bone grafts, either autogenous [7] or heterogenous [14]. Although most of these techniques have been used in clinical practice to deliver antibiotics, they have some limitations mainly due to the need to re- move the vehicles.…”