Effect of ethanol-wet bonding on porosity and retention of fiberglass post to root dentin.
作者： Monize Ferreira Figueiredo de Carvalho , Monica Yamauti , Cláudia Silami de Magalhães , Aline Aredes Bicalho , Carlos José Soares
DOI: 10.1590/1807-3107BOR-2020.VOL34.0020
关键词:
摘要: This in vitro study aimed to assess the effects of different pretreatments used adapt glass-fiber posts cemented root canals with resin cements, regarding porosity percentage and bond strength. Twelve bovine incisor roots were prepared Largo drills. After post space preparation, specimens randomized into two types pretreatment groups (n = 3): water-wet bonding ethanol-wet bonding. cemented, stored 100% humidity at room temperature for 7 days. The samples scanned by microcomputed tomography (micro-CT). Images reconstructed NRecon software, CTAn software was analyze (%) luting interface. Evaluation push-out strength performed serially cutting roots, submitting slices testing. Additionally, cement post-gel shrinkage values measured using strain-gauge method 10). Data analyzed two-way ANOVA, Tukey's test Student's t (a 0.05). RelyX™ U200 had significantly lower coronal apical thirds (p < group ARC presented better results (0.97%) produced a higher value than (0.77%). Canals pretreated outcomes regard
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