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자료유형
학술저널
저자정보
Coaguila-Llerena Hernan (Department of Restorative Dentistry Sao Paulo State University (UNESP) Araraquara School of Dentist) Barbieri Isadora (Department of Restorative Dentistry Sao Paulo State University (UNESP) Araraquara School of Dentist) Tanomaru-Filho Mario (Department of Restorative Dentistry Sao Paulo State University (UNESP) Araraquara School of Dentist) Leonardo Renato de Toledo (Department of Restorative Dentistry Sao Paulo State University (UNESP) Araraquara School of Dentist) Ramos Ana Paula (Department of Chemistry Sao Paulo University (USP) Ribeirao Preto College of Philosophy Sciences an) Faria Gisele (Department of Restorative Dentistry Sao Paulo State University (UNESP) Araraquara School of Dentist)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제45권 제4호
발행연도
2020.1
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1 - 11 (11page)

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Objectives: The aim of this study was to assess the physicochemical properties, cytotoxicity and penetration into dentinal tubules of ChlorCid™ Surf (3% sodium hypochlorite [NaOCl] with surfactant) in comparison to ChlorCid™ (3% NaOCl without surfactant). Materials and Methods: The physicochemical properties evaluated were pH, surface tension, free available chlorine (FAC) and contact angle. Cytotoxicity was evaluated in L929 fibroblasts exposed to the solutions by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide and neutral red assays. Assessment of penetration into dentinal tubules was performed by staining single-rooted permanent human teeth with crystal violet (n = 9), which were irrigated with the solutions and analyzed in cervical, middle and apical segments. Data were analyzed by one-way analysis of variance (ANOVA) and Tukey's post-test, 2-way ANOVA and Bonferroni's post-test or t-test (α = 0.05). Results: ChlorCid™ Surf and ChlorCid™ FAC values were close to those indicated by the manufacturer. ChlorCid™ Surf showed lower surface tension and contact angle on dentin, and higher pH than ChlorCid™ (p < 0.05). The penetration of ChlorCid™ Surf was higher in cervical and middle segments, compared with ChlorCid™ (p < 0.05). There was no difference in irrigant cytotoxicity (p > 0.05). Conclusions: ChlorCid™ Surf showed lower surface tension, lower contact angle on root canal dentin, higher penetration into dentinal tubules and more alkaline pH, compared with ChlorCid™. However, both solutions showed similar cytotoxicity and FAC content.

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