Qhov no siv cov khoom siv rhinoplasty yog tsim raws li sab caj npab tiag. Ob pawg ntawm cov leeg faib rau ntawm sab caj npab yog zoo meej rau kev cob qhia kev cob qhia xws li kev txhaj tshuaj tiv thaiv kev txhaj tshuaj, kev txhaj tshuaj thiab ntshav txaus. Lub cev rov qab los ntawm sab caj npab: ntawm cov tawv nqaij ntawm peb tus IV xyaum kev ua haujlwm tau rov qab tom qab txhua koob Qiv, tso cai rov ua dua nyob rau ntawm tib lub vev xaib lossis xau. Ruaj thiab yig nrog cov thawv ntim khoom thiab tawv nqaij.