Oral Function Rehabilitation with Dental Implantation following Severe Facial Injury Caused by a Bear Attack: A Case Report

DOI
  • SEKIDO Katsuhisa
    Department of Dentistry and Oral Surgery, Toyama Red Cross Hospital Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama
  • FUJIWARA Kumiko
    Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama
  • ISHISAKA Risa
    Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama
  • IMAUE Shuichi
    Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama
  • NOGUCHI Makoto
    Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama

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  • クマ外傷による広範な歯槽欠損に対し骨移植を併用した歯科インプラント治療により口腔機能を回復した一例

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Abstract

Wild animal attacks, specifically bear attacks, commonly involve maxillofacial injuries caused by the animal’s forepaws and teeth. The resulting severe facial injuries require cosmetic reconstruction and oral function rehabilitation. We report a case of severe facial injury that necessitated bone graft and dental implantation. <br>A 70-year-old man was attacked by a wild bear on a mountain in 2017. The patient was referred to our hospital and underwent hemostatic treatment and wound closure with sutures. He received antibiotics for a week, and we performed debridement and zygomatic fixation with a titanium plate. His oral function, including occlusion and speech, did not fully recover despite postoperative denture placement. Bone grafting was performed 6 months after his initial visit, and dental implantation was performed 6 months after bone graft reconstruction. He received a custom-fitted denture and underwent oral function evaluation, which revealed adequate restoration of oral function. <br>Optimal restoration of both esthetics and good oral function are essential for facial injury treatment.

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