A Case of Foreign Body in the Ethmoid Sinus Diagnosed Nine Years after the Dental Implant Surgery

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  • インプラント治療9年後に発覚した篩骨洞異物例
  • 臨床 インプラント治療9年後に発覚した篩骨洞異物例
  • リンショウ インプラント チリョウ 9ネンゴ ニ ハッカク シタ フルイコツドウ イブツレイ

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Dental implant surgery is carried out in edentulous patients to fix the denture on the foundation of a dental implant body embedded in the maxilla. This procedure has become popular over the last 20 years, and one of the complications is the intrusion of the dental implant body into the paranasal sinuses.<br/>Herein, we report the case of a 64-year-old man in whom a dental implant body was found in the ethmoid sinus nine years after the dental implant surgery. The patient complained of discomfort in the right cheek and ipsilateral purulent rhinorrhea. CT revealed a shadow extending from the maxillary sinus to the ethmoid sinus on the right side, representing the dental implant body in the right ethmoid sinus. It is believed that the dental implant body which was fixed on the maxilla had intruded into the maxillary sinus and remained there for a long period, and then advanced into the ethmoid sinus due to chronic sinusitis. Finally, the dental implant body was removed by endoscopic sinus surgery.<br/>It is thought that dental implant interventions will increase in the future, and ENT surgeons need to increase their awareness to prevent complications related to these interventions.

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