日本口腔外科学会雑誌
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
術後性上顎嚢胞の臨床的研究
岸本 宏史斎藤 寿章山藤 絵理原田 利夫岡 政文吉村 安郎
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1990 年 36 巻 3 号 p. 547-552

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This study was undertaken to investigate postoperative maxillary cyst from the clinical aspect such as patient's sex, affected side, patient's ages at the first examination, at the primary radical operation of sinus maxillaris and at the onset of postoperative maxillary cyst, duration between the first medical examination and onset of the symptoms, chief complaints, clinical symptoms, location and nature of the cyst, possible relationship between root of the tooth and the cyst, bleeding during operation, postoperative complaints, and so forth.
These findings were compared with those already reported in the papers and similar results were obtained. Interesting findings among them were as follows.
(1) Axial CT examination showed closure of the nasal meatus in 86.8%.
(2) Bone absorption was observed in all cases, and multilocular cyst were found in more than 70 percent of the 38 cases examined.
(3) Penetration of the tooth root into the maxillary cyst or the sinus was found in 10 out of 37 cases, of which first or second premolar protruded most frequently into the cavity.
(4) The average blood loss was less estimated during operation under local anesthesia than under general anesthesia.
(5) The frequency of postoperative complaints concerning nasal and paranasal cavities was lower in patients treated with secondary closure than in those with primary closure when the medical examination was carried out in 23 patients elapsed more than one year after operation.

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