Open roof deformity: takes place from greenstick/incomplete lateral osteotomies (helps prevent finish closure with the open roof), making a palpable or visible separation of the nasal bones around the dorsum Reshaping the nasal dorsum (the bridge with the nose) by eliminating or cutting down a dorsal hump or bony dorsum. https://pantip47902.newbigblog.com/44005378/the-single-best-strategy-to-use-for-open-rhinoplasty-vs-closed