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KMID : 0360120110330040301
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
2011 Volume.33 No. 4 p.301 ~ p.307
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Response of Odontoblast to the Bio-Calcium Phosphate Cement
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Kim Jin-Woo
Kim Sung-Won
Kim Gyoo-Cheon
Kim Yong-Deok
Kim Chul-Hoon
Kim Bok-Joo
Kim Uk-Kyu
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Abstract
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PURPOSE: If the tooth structure is damaged, then it is impossible to regenerate the tooth. The materials used to restore the tooth structure are not related to the composition of the tooth. The materials used to restore the structure can’t replace the natural tooth because they just fill the defective structure. Calcium phosphate cement remineralizes the dentin and almost replaces the natural tooth, but there are some disadvantages. We conducted basic tests with Biomimetic CPC (Bio-CPC) to make sure of the possibility of the biomaterial to remineralize the defective tooth structure.
METHODS: In this study, the bioactivity and biocompatibility of Bio-CPC were evaluated for its potential value as the bio-material for regeneration of damaged tooth structure by conducting a cell toxicity assay (WST-1 assay), a cytokinesis-block micronucleus assay, a chromosomal aberration test, total RNA extraction and RT-PCR on MDPC-23 mouse odontoblast-like cells.
RESULTS:The in vitro cytotoxicity test showed that the Bio-CPC was fairly cytocompatible for the MDPC-23 mouse odontoblast-like cells.
CONCLUSION: Bio-CPC has a possibility to be a new biomaterial and further study of Bio-CPC is needed.
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KEYWORD
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Calcium phosphate cement, CPC, Odontoblast
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