期刊
INTERNATIONAL ENDODONTIC JOURNAL
卷 49, 期 2, 页码 145-153出版社
WILEY
DOI: 10.1111/iej.12435
关键词
biocompatibility; Biodentine; immunohistochemistry; interleukin-6; MTA Angelus
资金
- FUNDUNESP [01054/11-DFP]
- CNPq (Brazil)
- FAPEAM (Brazil)
AimTo evaluate the inflammatory process induced by Biodentine and mineral trioxide aggregate (MTA) in rat subcutaneous tissues. MethodologyA polyethylene tube filled with Biodentine (n=20) or MTA (n=20) was placed into the dorsal subcutaneous of forty male rats; in the control group (CG; n=20), empty tubes were implanted. After 7, 15, 30 and 60days, the polyethylene tubes surrounded by connective tissue were fixed and embedded in paraffin. The number of inflammatory cells was estimated in HE-stained sections; numerical density of interleukin-6 (IL-6)-immunolabelled cells was also performed. The differences amongst the groups were analysed statistically by Tukey's test (P0.05). ResultsA high number of inflammatory cells and IL-6-positive cells were observed at 7days, in all groups; however, in the Biodentine group, the number of inflammatory cells and IL-6-immunolabelled cells was significantly higher (P0.05) in comparison with the other groups at 7 and 15days. In the capsules of animals from all groups, a gradual and significant reduction (P0.05) of these parameters was seen over time. At 60days, the capsules exhibited numerous fibroblasts and bundles of collagen fibres; in addition, the number of IL-6-positive cells was not significantly different amongst Biodentine, MTA and control groups. ConclusionsThere was a significant regression in the inflammatory reaction in the capsules indicating, therefore, that Biodentine is a biocompatible material.
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