TY - BOOK AU - Refaat Nashed Behman AU - Ahmed Shawky Mohamed Abdelrahman , AU - Hesham Mohamed Ahmed Negm , AU - Maged Bahgat Amr Bahgat , TI - Powered instrumentation for nasal bone reduction / PY - 2013/// CY - Cairo : PB - Refaat Nashed Behman , KW - Derrifored ford scale KW - E.N.T KW - Health utilities index N1 - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of E.N.T; Issued also as CD N2 - Powered instrumentation appears well-suited for precise reduction of the bony dorsal hump, an isolated bony irregularity, or to smooth the edges of the "open roof." Unlike the manual rasp, powered instrumentation allows direct visualisation of the operative site. Suction and irrigation are imperative when using these drills. The importance of careful pre-operative nasal analysis cannot be overemphasized UR - http://172.23.153.220/th.pdf ER -