Osteotomies may be performed to narrow or widen the nasal base, repair an open-roof deformity after dosal hump resection, and correct symmetrical or asymmetrical bone deformities. 臨床上可通過(guò)截骨的方法縮窄或擴寬鼻基底,鼻背駝峰祛除后修復開(kāi)放式屋頂畸形,矯正對稱(chēng)或不對稱(chēng)骨畸形。