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Cytotoxicity Evaluation of Elastomeric Impression Materials Using Different Fibroblasts Cell Lines

Authors
 Jae Sung Kwon  ;  Kyoung Nam Kim 
Citation
 Journal of Korean Dental Science, Vol.7(2) : 80-86, 2014 
Journal Title
 Journal of Korean Dental Science 
ISSN
 2005-4742 
Issue Date
2014
Keywords
Biocompatibility testing ; Dental impression material ; Fibroblasts ; In vitro technique ; Primary cell culture
Abstract
Purpose: Current common method of cytotoxicity evaluation for elastomeric impression materials use animal based cell lines, which the clinical relevance has been often questioned. Hence, the purpose of this study was to examine the difference in results with both human based and animal based fibroblast cell line. Materials and Methods: Three types of fibroblast cells were used in this study; conventional mouse fibroblasts of L929, human gingival fibroblasts (HGF-1), and immortalized human oral fibrobalsts (hTERT-hNOF). Test on extract and test by direct contact using different commercially available elastomeric impression materials were carried out according to the international standards. Result: There was significant difference in cell viability between types of fibroblasts cell used, where HGF-1 showed highest cell viability and L929 the lowest. Conclusion: Within the limitation of this study, careful consideration must be given when selecting the cells and interpreting the results for cytotoxicity evaluation of elastomeric impression materials, where use of human based cell lines such as hTERT-hNOF would be appropriate for both ease of cytotoxicity test and clinical relevance.
Full Text
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE06097364
DOI
10.5856/JKDS.2014.7.2.80
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Dental Biomaterials and Bioengineering (치과생체재료공학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Jae-Sung(권재성) ORCID logo https://orcid.org/0000-0001-9803-7730
Kim, Kyoung Nam(김경남)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/138934
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