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Clinical Evaluation of 209 All‐Ceramic Single Crowns Cemented on Natural and Implant‐Supported Abutments with Different Luting Agents: A 6‐Year Retrospective Study
Author(s) -
Sorrentino Roberto,
Galasso Luigi,
Tetè Stefano,
De Simone Giorgio,
Zarone Fernando
Publication year - 2012
Publication title -
clinical implant dentistry and related research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.338
H-Index - 85
eISSN - 1708-8208
pISSN - 1523-0899
DOI - 10.1111/j.1708-8208.2009.00251.x
Subject(s) - dentistry , procera , luting agent , medicine , implant , crown (dentistry) , dental porcelain , dental abutments , dental prosthesis , anterior teeth , orthodontics , materials science , ceramic , surgery , ecology , bond strength , adhesive , layer (electronics) , composite material , biology
Background: The Procera AllCeram™ system (Nobel Biocare AB, Göteborg, Sweden) is a valid alternative to metal–ceramic restorations. However, limited long‐term data of its use for single crowns on natural and implant‐supported abutments are available. Purpose: The present study aimed at evaluating the clinical performances of Procera AllCeram single crowns in both anterior and posterior regions of the oral cavity either on natural tooth or implant abutments over a period of 6 years. Materials and Methods: Two hundred nine single crowns were fabricated and used in 112 patients. Zinc phosphate and resin luting agents were used to cement the restorations. The crowns were evaluated according to the California Dental Association's quality assessment system. Results: Three crowns were lost at follow‐up. Of the 206 restorations, which completed the 6‐year follow‐up, 9 crowns were affected by mechanical complications and 7 crowns failed. All surviving crowns were ranked as either excellent or acceptable. Cumulative survival and success rates of 95.2 and 90.9%, respectively, were recorded. Conclusions: Within the limitations of the present study, Procera AllCeram crowns proved to be a reliable clinical option to restore both anterior and posterior missing teeth either on natural or implant abutments. The resin cement used in the present study performed better than the zinc phosphate luting agent.

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