Document Detail


Fit of screw-retained fixed implant frameworks fabricated by different methods: a systematic review.
MedLine Citation:
PMID:  21519567     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Purpose: The aim of this study was to review the published literature investigating the accuracy of fit of fixed implant frameworks fabricated using different materials and methods. Materials and Methods: A comprehensive electronic search was performed through PubMed (MEDLINE) using Boolean operators to combine key words. The search was limited to articles written in English and published through May 2010. In addition, a manual search through articles and reference lists retrieved from the electronic search and peer-reviewed journals was also conducted. Results: A total of 248 articles were retrieved, and 26 met the specified inclusion criteria for the review. The selected articles assessed the fit of fixed implant frameworks fabricated by different techniques. The investigated fabrication approaches were one-piece casting, sectioning and reconnection, spark erosion with an electric discharge machine, computer-aided design/computer-assisted manufacturing (CAD/CAM), and framework bonding to prefabricated abutment cylinders. Conclusions: Cast noble metal frameworks have a predictable fit, and additional fit refinement treatment is not indicated in well-controlled conditions. Base metal castings do not provide a satisfactory level of fit unless additional refinement treatment is performed, such as sectioning and laser welding or spark erosion. Spark erosion, framework bonding to prefabricated abutment cylinders, and CAD/CAM have the potential to provide implant frameworks with an excellent fit; CAD/CAM is the most consistent and least technique-sensitive of these methods. Int J Prosthodont 2011;24:207-220.
Authors:
Jaafar Abduo; Karl Lyons; Vincent Bennani; Neil Waddell; Michael Swain
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The International journal of prosthodontics     Volume:  24     ISSN:  0893-2174     ISO Abbreviation:  Int J Prosthodont     Publication Date:    2011 May-Jun
Date Detail:
Created Date:  2011-04-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8900938     Medline TA:  Int J Prosthodont     Country:  United States    
Other Details:
Languages:  eng     Pagination:  207-20     Citation Subset:  D    
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