Diseases of the nose and throat; a text-book for students and practitioners . sists of plastic operations ; the same is trueof clefts. An absent or perforated septum can scarcely berestored; a cleft in the hard palate requires palato-plasticoperations or plates; occlusion of the nares requires immediateoperation, in order to permit free nasal respiration, so essentialto the newborn babe. Membranous or cartilaginous obstruc-tions may be overcome by the curved, guarded knife, althoughthe galvano-cautery is usually to be preferred. Bony obstruc-tions require the use of a chisel, saw, electric mot
Diseases of the nose and throat; a text-book for students and practitioners . sists of plastic operations ; the same is trueof clefts. An absent or perforated septum can scarcely berestored; a cleft in the hard palate requires palato-plasticoperations or plates; occlusion of the nares requires immediateoperation, in order to permit free nasal respiration, so essentialto the newborn babe. Membranous or cartilaginous obstruc-tions may be overcome by the curved, guarded knife, althoughthe galvano-cautery is usually to be preferred. Bony obstruc-tions require the use of a chisel, saw, electric motor, or dental-engine drill. Synechia which interfere with breathing or affectthe voice require division with knife, scissors, galvano-cautery,saw, chisel, drill, gouge, or bone-forceps. CHAPTER XL Diseases of the Accessory Cavities. The antra of Highmore are those usually affected. Theirdiseases arise by extension from the nasal canals; from stenosisof the duct due to hypertrophic rhinitis, nasal polypi, or trau-matism ; injury; projection of the teeth (especially carious). Fig. 52.—Transverse Vertical Section through Orbits : Looking Backward.(From a photograph.) Posterior ethmoid eel Superior meatu Middle meatu Antrum of Highmor Inferior
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