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<特別講演要旨>インプラントシステムの分類と特色と今後の潮流 Current Implant Systems and its Characteristics ja 坪井, 陽一 Dental implant Osseointegrated implant Sarvival rate P(論文) Clinical sudies of current implant systems and their characteristics such as survival rates were reviewed. In addition, trends in fixture-abutment connections, aesthetic components, and tissue management were considered. The survival rate of the implant systems was around 90% even though some systems only showed long-term (more than five years) implant survival and cervical bone resorption around implants. The recent trend of fixture-abutment connections have been shifting from external to internal connections to protect from screw loosening and to maintain biological sealing from bacterial infections. With regard to aesthetic restoration, many types of abutments have been considered such as anatomical abutments and fixture impression techniques. The major procedure for the connection between abutment and super-structure in the systems is cementing, not screw retention, especially among general practitioners, evaluated from the sales figures of the components. 1998-12-30 jpn departmental bulletin paper https://hsuh.repo.nii.ac.jp/records/8401 AN0008135X 東日本歯学雑誌 17 2 235 242 https://hsuh.repo.nii.ac.jp/record/8401/files/KJ00000095670.pdf application/pdf 656.0 kB 1998-12-30