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Biocompatibility of a conventional glass ionomer, ceramic reinforced glass ionomer, giomer and resin composite to fibroblasts: in vitro study.
MedLine Citation:
PMID:  24046990     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
OBJECTIVE: This aim of this study was at compare the fibroblast cytotoxicicty of four restorative materials--a conventional glass ionomer cement (GC Fuji Type II GIC), a ceramic reinforced glass ionomer cement (Amalgomer), a giomer (Beautifl II) and a resin composite (Filtek Z350) at three different time periods (24, 48 and 72 hours).
METHOD: The succinyl dehydrogenase (MTT) assay was employed Cylindrical specimens of each material (n = 15) were prepared and stored in Dulbecco's modified Eagle medium, following which L929 fibroblasts were cultured in 96 well plates. After 24 hours of incubation, the MTT assay was performed to detect the cell viability. The method was repeated after 48 and 72 hours. The impact of materials and exposure times on cytotoxicity of fibroblasts was statistically analyzed using two way ANOVA (P = 0.05).
RESULTS: Both time and material had an impact on cell viability, with giomer demonstrating the maximum cell viability at all time periods. The cell viability in the giomer group was significantly different from all other materials at 24 and 72 hours (P < 0.05), while at 48 hours giomer was significantly different only with resin composite (P < 0.05).
CONCLUSIONS: Giomers showed better biocompatibility than conventional and ceramic reinforced glass ionomer cements and, resin composite. Ceramic reinforced glass ionomer demonstrated superior biocompatibility compared to conventional glass ionomer.
Authors:
S Tamilselvam; M J Divyanand; P Neelakantan
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of clinical pediatric dentistry     Volume:  37     ISSN:  1053-4628     ISO Abbreviation:  J Clin Pediatr Dent     Publication Date:  2013  
Date Detail:
Created Date:  2013-09-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9100079     Medline TA:  J Clin Pediatr Dent     Country:  United States    
Other Details:
Languages:  eng     Pagination:  403-6     Citation Subset:  D    
Affiliation:
Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha University, Chennai, India.
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