A Retrospective Clinical Evaluation of the Survival of Dental Implants in Combination with Sinus Floor Elevation at 3 Years

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  • FUJISAWA Kenji
    Department of Oral Surgery, Subdivision of Clinical Dentistry, Division of Oral Sciences, Institute of Biomedical Sciences, Tokushima University Graduate School
  • OHE Go
    Department of Oral Surgery, Subdivision of Clinical Dentistry, Division of Oral Sciences, Institute of Biomedical Sciences, Tokushima University Graduate School
  • NAGAI Hirokazu
    Department of Oral Surgery, Subdivision of Clinical Dentistry, Division of Oral Sciences, Institute of Biomedical Sciences, Tokushima University Graduate School
  • ABE Susumu
    Department of Comprehensive Dentistry, Subdivision of Clinical Dentistry, Division of Oral Sciences, Institute of Biomedical Sciences, Tokushima University Graduate School
  • MIYAMOTO Youji
    Department of Oral Surgery, Subdivision of Clinical Dentistry, Division of Oral Sciences, Institute of Biomedical Sciences, Tokushima University Graduate School

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  • 上顎洞底挙上術を併用したインプラントの3年経過後の臨床的評価

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<p>The purpose of this study was to evaluate the risk factors for the loss of implants with sinus floor elevation. We statistically carried out a clinical examination on 49 cases, 80 implants at 3 years after the fitting of implant-anchored fixed prostheses.<br/> The results are summarized as follows:<br/> 1. Two implants failed in 80 implants, indicating survival rates of 97.5%.<br/> 2. There was no statistically significant difference between implant placement timing, initial bone height, sinus membrane thickness, type, diameter, primary stability of implants and graft materials used for sinus floor elevation.<br/> 3. The length of implant affected the survival of implants used for sinus floor elevation.</p>

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