1983•Nippon Jibiinkoka Gakkai KaihoOpen access
Untitled research work
Toshitaka Iinuma, Mikio Tanaka, Hiroyuki Oosawa, Kiichi Haruyama, Yoshiharu Hirota
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Abstract
The ultimate postoperative conditions of the maxillary sinus were investigated using polytomographic frontal sections.Linear measurements were performed at 9 points corresponding to the dimensions of the orbit, ethmoid, nasal cavity, maxillary sinus and external face.All the measurements were performed on films obtained from three groups, namely, a preoperative (control) group of 36 cases of chronic sinusitis, postoperative group of the same 36 cases in follow-up, and a group of 84 cases of the postoperative cyst of the maxilla.Average durations after the initial sinus surgery were 17.6 months for the postop.and 18.5 years for the cyst group.The preop. group served as a control and statistically significant differences were obtained in the orbital height, maxillary breadth, and height of the naso-antral communication at the middle meatus and breadth of the inferior nasal meatus.The postoperative retractions of such sinus 86-519 日耳鼻
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