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Journal of Prosthetic Dentistry

Design concept to facilitate the positioning of a custom abutment on an implant

  • Ju-Hyoung Lee
    Correspondence
    Corresponding author: Dr Ju-Hyoung Lee, Kyungpook National University, 2177 Dalgubeol-daero, Jung-gu, Daegu, 41940, REPUBLIC OF KOREA
    Affiliations
    Associate Professor, Department of Predoctoral Clinical Education, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea

    Associate Professor, Daegu Dental Clinic Center for the Disabled, Kyungpook National University Dental Hospital, Daegu, Republic of Korea
    Search for articles by this author
Published:December 16, 2020DOI:https://doi.org/10.1016/j.prosdent.2020.09.044
      With the development of computer-aided design and computer-aided manufacturing (CAD-CAM) technology, implant abutments have been fabricated with nearly unlimited design options.
      • Kapos T.
      • Evans C.
      CAD/CAM Technology for implant abutments, crowns, and superstructures.
      ,
      • Rosenstiel S.F.
      • Land M.F.
      • Fujimoto J.
      Contemporary fixed prosthodontics.
      When an implant indexing device has not been fabricated or is not available, additional chair time for placing a custom abutment on a hexagonal connection implant is needed, especially for multiple implant restorations, as the abutment can be positioned in 6 different orientations.
      • Lewis S.G.
      • Llamas D.
      • Avera S.
      The UCLA abutment: a four-year review.
      ,
      • Jacobson Z.
      • Peterson T.
      • Kim W.D.
      Positioning jig for implant abutments: procedures and clinical applications.
      This article describes a design concept for fabricating a custom abutment with a mark. By using the mark, clinicians can efficiently place the abutment on an implant.
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      References

        • Kapos T.
        • Evans C.
        CAD/CAM Technology for implant abutments, crowns, and superstructures.
        Int J Oral Maxillofac Implants. 2014; 29: 117-136
        • Rosenstiel S.F.
        • Land M.F.
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        Contemporary fixed prosthodontics.
        5th ed. Elsevier, St Louis2016: 352
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        The UCLA abutment: a four-year review.
        J Prosthet Dent. 1992; 67: 509-515
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        • Peterson T.
        • Kim W.D.
        Positioning jig for implant abutments: procedures and clinical applications.
        J Prosthet Dent. 1996; 75: 435-439
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