Chitosan: a new solution for removal of smear layer after root canal instrumentation.
作者： PV Silva , Debora Fernandes Costa Guedes , Flávio Venâncio Nakadi , Jesus Djalma Pécora , Antonio Miranda da Cruz‐Filho
DOI: 10.1111/J.1365-2591.2012.02119.X
关键词:
摘要: Abstract Silva PV , Guedes DFC Nakadi FV Pe´cora JD Cruz-Filho AM. Chitosan: a new solution for removal ofsmear layer after root canal instrumentation. InternationalEndodontic Journal, 46, 332–338, 2013. Aim To evaluate, by scanning electron microscopy(SEM), the efficacy of smear usingchitosan compared with different chelating agents,and to quantify, atomic absorption spectrophotom-etry flame (AASF), concentration calciumions in these solutions irrigation.Methodology The canals twenty-fivecanines were prepared using crown-down techniqueand irrigated 1% sodium hypochlorite. teethwere randomly divided into groups (n = 5), accordingto type final irrigation: 15% EDTA, 0.2% chito-san, 10% citric acid, acetic acid and control (with-out irrigation). total volume eachchelating was collected from andanalysed AASF quantification calcium ionsin solutions. Then, roots split longitudi-nally examined SEM evaluation smearlayer middle apical thirds. Clean-ing scores attributed analysed statisticallyusing Kruskal–Wallis Dunn tests. AASFdata one-way
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