The absorption rate of autologous fat transplantation is about 50%, which varies with individual constitution. The absorption rate of autologous cartilage transplantation is within 10% (whole block), but fixation is also a problem. Although the fixation problem was solved after the autogenous cartilage was crushed, the absorption rate was out of control. Medpor implantation needs fixation, and ePTFE implantation should consider the appropriate size of separation cavity. Moreover, we should pay attention to the infection problem. Silicone implantation is relatively simple, but it is reported that the rejection rate of this part is slightly higher than that of the nasal dorsum. Therefore, there is no ideal material, depending on the doctor's personal preferences and experience. Koreans like to use silica gel, while Americans like to use cartilage, Medpore, a mixture of blood and hydroxyapatite, and cancellous bone. This operation can also be replaced by Lefort I osteotomy. See more answers >>

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