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Fit of zirconia fixed partial denture: a systematic review.
MedLine Citation:
PMID:  20557435     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The aim of this study is to review all the published literature investigating the accuracy of fit of zirconia fixed partial dentures (FPD). A comprehensive electronic search was performed through PubMed (MEDLINE) using Boolean operators to combine the following key words: 'zirconia,''margin,''FPD,''internal,''fit,''gap,''fitting surface,''bridge' and 'fixed prosthesis.' The search was limited to articles written in English, published up to January 2010. In addition, a manual search was also conducted through articles and reference lists retrieved from the electronic search and peer-reviewed journals. A total of 115 articles were retrieved and only 15 met the specified inclusion criteria for the review. Twelve of these articles were in vitro and three of them were in vivo. The selected articles had assessed marginal and/or internal fit of zirconia FPDs against the effect of various parameters that were computer-aided design and computer-aided manufacturing (CAD/CAM) and CAM systems, post-sintered and pre-sintered milling, framework configuration, span length, veneer application and ageing. Conclusions: CAD/CAM, post-sintered milling, straight configuration and shorter span frameworks provided superior results than CAM, pre-sintered milling, curved configuration and longer span frameworks. Veneering zirconia frameworks caused deterioration in fit, while ageing of zirconia had no implications on the fit. Further studies are needed to determine the clinical significance of the differences in the accuracy reported in this review.
Authors:
J Abduo; K Lyons; M Swain
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  37     ISSN:  1365-2842     ISO Abbreviation:  J Oral Rehabil     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  866-76     Citation Subset:  D; IM    
Copyright Information:
© 2010 Blackwell Publishing Ltd.
Affiliation:
Department of Oral Rehabilitation, University of Otago, Dunedin, New Zealand. Jaafar_abduo@hotmail.com
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