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The International Journal of Oral & Maxillofacial Implants
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Int J Oral Maxillofac Implants 6 (1991), No. 4     1. Dec. 1991
Int J Oral Maxillofac Implants 6 (1991), No. 4  (01.12.1991)

Page 475-480


Cobalt-Chromium as a Framework Material in Implant-Supported Fixed Prostheses: A Preliminary Report
Hulterström, Matti / Nilsson, Ulf
Sixty-six consecutive patients treated at the Prosthodontic Clinic in Uppsala, Sweden, received implant-supported fixed prostheses of the Brånemark type. The prosthesis frameworks were made of cobalt-chromium alloys. Different techniques for attaching the gold cylinders to the frameworks were used. Mechanical attachment with self-curing polymethyl methacrylate (PMMA), partial soldering combined with PMMA attachment, and soldering only were used. No abnormal tissue reactions were seen. Radiographic examination of the fixtures was performed at the time of prosthesis placement and at the 1- and 3-year follow-ups. A few cases of minor bone loss were detected but not related to the materials used in the superstructures.

Keywords: alloys, Brånemark implants, design, framework, osseointegration, prosthodontics, soldering