Evaluation in vivo of biocompatibility of differents resin-modified cements for bonding orthodontic bands

Anais Da Academia Brasileira De Ciências
Janaina A MesquitaPollianna Muniz Alves

Abstract

The focus of this study was to test the hypothesis that there would be no difference between the biocompatibility of resin-modified glass ionomer cements. Sixty male Wistar rats were selected and divided into four groups: Control Group; Crosslink Group; RMO Group and Transbond Group. The materials were inserted into rat subcutaneous tissue. After time intervals of 7, 15 and 30 days morphological analyses were performed. The histological parameters assessed were: inflammatory infiltrate intensity; reaction of multinucleated giant cells; edema; necrosis; granulation reaction; young fibroblasts and collagenization. The results obtained were statistically analyzed by the Kruskal-Wallis and Dunn test (P<0.05). After 7 days, Groups RMO and Transbond showed intense inflammatory infiltrate (P=0.004), only Group RMO presented greater expression of multinucleated giant cell reaction (P=0.003) compared with the control group. After the time intervals of 15 and 30 days, there was evidence of light/moderate inflammatory infiltrate, lower level of multinucleated giant cell reaction and thicker areas of young fibroblasts in all the groups. The hypothesis was rejected. The Crosslink cement provided good tissue response, since it demonstrated a...Continue Reading

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Citations

Aug 15, 2021·Journal of Biomedical Materials Research. Part a·Friedrich BarschChristoph Brochhausen
Aug 25, 2021·European Journal of Dentistry·José Lucas Dos Santos AraújoRogério Lacerda-Santos
Aug 25, 2021·European Journal of Dentistry·Maria Vitoria Oliveira DantasLuanna Abílio Diniz Melquiades de Medeiros
Aug 25, 2021·European Journal of Dentistry·Izaura Helena Chaves de MenesesRogério Lacerda-Santos

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