Is Implant Therapy Effective for Functional Recovery of Patients with Mandibular Defects?

DOI Open Access
  • HATA Masaki
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University
  • MIYAMAE Shin
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Gerodontology, School of Dentistry, Aichi Gakuin University
  • SHIOIRI Shigeaki
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics
  • MURAKAMI Kazuhiro
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry
  • NAKABAYASHI Shinya
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Partial Denture Prosthodontics, Nihon University School of Dentistry
  • OHYAMA Tetsuo
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Partial Denture Prosthodontics, Nihon University School of Dentistry
  • HARAGUCHI Mihoko
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Maxillofacial Prosthetics, Division of Medical and Dental Sciences, Graduate School, Tokyo Medical and Dental University （TMDU）
  • HATTORI Mariko
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Maxillofacial Prosthetics, Division of Medical and Dental Sciences, Graduate School, Tokyo Medical and Dental University （TMDU）
  • NAKAJIMA Junko
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Removable Prosthodontics and Gerontology, Tokyo Dental Collage
  • MINAGI Yoshitomo
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry
  • FUJIWARA Shigehiro
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Division of Comprehensive Prosthodontics, Niigata University, Graduated School of Medical and Dental Sciences
  • ONO Takahiro
    Clinical Practice Guideline Committee, Japanese Academy of Maxillofacial Prosthetics Division of Comprehensive Prosthodontics, Niigata University, Graduated School of Medical and Dental Sciences

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Other Title
  • インプラント治療は下顎欠損患者の機能回復に有用か？

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Background: The aim of this review was to elucidate the effectiveness of prostheses with implant therapy for patients with mandibular defects.<br>Methods: A systematic literature survey was conducted by the Japan Medical Library Association based on keywords for PubMed and Ichushi-web presented by the Clinical Practice Guideline Committee of Japanese Academy of Maxillofacial Prosthetics. After the secondary screening, related articles were extracted and their structured abstracts were described for discussion.<br>Results: Although randomized controlled trials and meta-analyses were not found, 28 papers were extracted after screening. Overall, objective and subjective measures （e.g. occlusal force, masticatory efficiency and food acceptability questionnaires） were significantly increased with implant-supported mandibular prostheses. However, speech and swallowing function were not improved in cases with tongue or oral floor resection. Success and survival rates of implant therapy were ninety percent or more on mandibular reconstruction with autogenous bone grafts.<br>Conclusions: These results suggest that implant-supported mandibular prostheses that can secure the stability of the upper fixed/removable structure are more effective for recovering masticatory function compared with conventional mandibular prostheses.

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