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Volume 19 , Issue 2
March/April 2006

Pages 162163


Six-Year Clinical Performance of All-Ceramic Crowns with Alumina Cores

Michael H. Walter, Dr Med Dent / Burkhard H. Wolf, Dr Med Dent / Annette E. Wolf, Dr Med / Klaus W. Boening, Dr Med Dent


PMID: 16602364

Purpose: The aim of the study was to evaluate the clinical performance of Procera Alumina AllCeram crowns (Nobel Biocare). Materials and Methods: In 70 patients, 61 anterior and 46 posterior teeth were provided with single crowns and cemented with a glass-ionomer cement. Results: Four patients were lost to follow-up. Six crowns had to be removed, all because of nonreparable fracture. At 6 years, the cumulative survival rate was 94.3% for all crowns, 96.7% for anterior crowns, and 91.3% for posterior crowns (survival = not removed). Most of the defects occurred within the first 1.5 years. Conclusion: The findings indicate a good clinical prognosis of both anterior and posterior Procera Alumina crowns. Int J Prosthodont 2006;19:162163.


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