著者

田村 暢章 竹島 浩 谷口 展子 田草川 徹 山﨑 大輔 原口 茂樹 安田 治男 嶋田 淳

出版者

公益社団法人 日本口腔インプラント学会

雑誌

日本口腔インプラント学会誌 (ISSN:09146695)

巻号頁・発行日

vol.20, no.3, pp.471-476, 2007-09-30 (Released:2014-04-10)

参考文献数

14

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We report four cases whose implant fixtures were uncertainly placed and inserted into the maxillary sinus.The patients consisted of 2 males and 2 females whose ages ranged from 46 to 56 years. All cases were referred to us from private dental clinics. There were three cases of accidental insertion in the maxillary sinus on the left side and one case on the right side, but all of them had no symptoms at the first visit. All implant fixtures were surgically removed without any episodes, although one case was complicated with chronic maxillary sinusitis. It is considered that it is necessary to minimize invasion and time to remove the implant fixture in the maxillary sinus, and especially important to inspire the patient with confidence.