Effect of Surface Topography on Osseointegration Establishment of Dental Implant

DOI 4 Citations 30 References
  • MIYAMOTO Youji
    Division of Dentistry and Oral Surgery， School of Medicine， Akita University
  • FUJISAWA Kenji
    First Department of Oral and Maxillofacial Surgery， School of Dentistry， The University of Tokushima
  • SUMITOMO Takashi
    First Department of Oral and Maxillofacial Surgery， School of Dentistry， The University of Tokushima
  • YUASA Tetsuya
    First Department of Oral and Maxillofacial Surgery， School of Dentistry， The University of Tokushima
  • NAGAYAMA Masaru
    First Department of Oral and Maxillofacial Surgery， School of Dentistry， The University of Tokushima
  • YAMAUCHI Eiji
    Department of Oral Care and Clinical Education， University Dental Hospital， The University of Tokushima
  • KAWANO Fumiaki
    Department of Oral Care and Clinical Education， University Dental Hospital， The University of Tokushima
  • HINODE Daisuke
    Department of Preventive Dentistry， School of Dentistry， The University of Tokushima

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Other Title
  • インプラントの表面形状がオッセオインテグレーション獲得に及ぼす影響
  • ―滑面と粗面（陽極酸化面）フィクスチャーの比較―
  • Comparison between Smooth and Rough Surfaces

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Abstract

To clarify the effects of two different surface roughnesses of Brånemark implants (Nobel Biocare, Gotebörg, Sweden), a relatively smooth machined surface and a rougher surface created by anodic oxidation, on the failure of osseointegration establishment (early failure), we statistically carried out a clinical examination on those implants, 432 fixtures with smooth surface and 118 fixtures with rough surface.<br/> The results are summarized as follows:<br/> 1. Fifteen smooth fixtures (3.5%) and one rough fixture (0.8%) failed to establish osseointegration before the fitting of superstructures. However, there was no significant difference in early failure between them.<br/> 2. In the maxilla, the early failure of the rough fixture was significantly lower than that of the smooth fixture.<br/> 3. In the case of low initial stability of a fixture at the installation, the early failure of the rough fixture was significantly lower than that of the smooth fixture.<br/> 4. Although the length of a fixture, bone quality and bone quantity affected the early failure of the smooth fixture, they did not affect the early failure of the rough fixture.<br/> 5. Sex, age, site of placement, diameter of a fixture, the healing period between fixture installation and abutment connection and smoking habit did not affect the osseointegration establishment of those fixtures.<br/>

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