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Volume 13 , Issue 2
March/April 1998

Pages 212-218


A 5-Year Multicenter Study on Implant-Supported Single Crown Restorations

Herbert Scheller, DDS, PhD, J. Pi Urgell, MD, DDS, Christina Kultje, MSc, Iven Klineberg, PhD, BSc, MDS, Perry V. Goldberg, DDS, MSD, Peter Stevenson-Moore, BDS, LDS, RCS, MSD, Jose Manual Navarro Alonso, MD, DDS, Malcolm Schaller, DDS, BDS, LDS, RCS, Ramon Martinez Corria, MD, DDS, Bo Engquist, DDS, Sverker Toreskog, DDS, MSD, Fred Kastenbaum, DMD.


PMID: 9581407

In this multicenter prospective study, the results achieved with the use of Brånemark implants for single tooth replacement were evaluated. The overall cumulative success rate was 95.9% for implants and 91.1% for crowns. Two of the 99 implants placed had to be removed before the prosthodontic stage of treatment; thus, 97 were restored with CeraOne crowns. Seventy-seven implants were evaluated radiographically at the 1-year follow-up, 57 at 3 years, and 47 at 5 years. Mean marginal bone resorption was well within the limits set by Albrektsson et al in 1986. The status of the soft tissue around crowns and adjacent teeth remained stable over the evaluation period. The gold abutment screw in the CeraOne system seems to have eliminated the problem of loosening abutment screws in single tooth replacements. The results suggest that the Brånemark system can be safely used for tissue-integrated replacement of single teeth. (INT J ORAL MAXILLOFAC IMPLANTS 1998;13:212-218) Key words: CeraOne, full ceramic crown, osseointegrated Brånemark implant, prospective follow-up study, single tooth replacement


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