Molecular level toxicological evaluation of a dental composite implanted in albino rats

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dc.contributor.authorArun, M
dc.contributor.authorSilja, PK
dc.contributor.authorSheeja, LE
dc.contributor.authorGeetha, CS
dc.contributor.authorMohanan, PV
dc.date.accessioned2017-03-10T03:27:38Z
dc.date.available2017-03-10T03:27:38Z
dc.date.issued2012
dc.description.abstractDental composite (DC) resins are synthetic resins which are used as restorative material or adhesives in dentistry. Monomers and other components released into the oral environment from the DC material even after polymerization might affect the surrounding tissues and even the whole body gradually. Biocompatibility of DC has to be stringently evaluated since the fillings are in close contact with mucosa, tooth, and pulp. Common difficulties with various current dental materials include allergies, chemical leakage from the material, and pulpal irritation which are due to the byproducts of chemical reactions during different stages of material hardening. Dental Products Laboratory of Sree Chitra Tirunal Institute for Medical Sciences and Technology developed a new BIS-GMA-based DC. In this study the oxidative stress induced by this DC material in vivo was tested for a period of 1, 4, 8, 26, or 52 weeks in albino rats. Dental materials were implanted intramuscularly into the gluteus muscle and oxidative biomarkers such as lipid peroxidation, 8-oxo-deoxyguanosine (8-OHdG) concentration, and total glutathione content analyzed. Data showed no significant changes in antioxidant defense system and 8-OHdG levels in nuclear DNA of the tissue. Serum biochemical results confirmed that animals were in normal functioning physiological state.
dc.identifier.citation94 ,4;760-768en_US
dc.identifier.uri10.1080/02772248.2012.673716
dc.identifier.urihttps://dspace.sctimst.ac.in/handle/123456789/10080
dc.publisherTOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY
dc.subjectEnvironmental Sciences & Ecology; Toxicology
dc.titleMolecular level toxicological evaluation of a dental composite implanted in albino rats
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