Effects of Different Irrigation Solutions and Protocols on Mineral Content and Ultrastructure of Root Canal Dentine

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Magdalena Lima Nogueira Brenna; Isabele da Costa Pereira Thais; Feliz Pedrinha Victor; de Almeida Rodrigues Patricia

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Journal: Iranian Endodontic Journal Year:2018 | Volume:13 | Issue:2 Page(s): 209-215

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Title

Effects of Different Irrigation Solutions and Protocols on Mineral Content and Ultrastructure of Root Canal Dentine

Author(s)

Magdalena Lima Nogueira Brenna | Isabele da Costa Pereira Thais | Feliz Pedrinha Victor | de Almeida Rodrigues Patricia | Issue Writer Certificate

Keywords

Chelating Agent

Dentin

Root Canal Irrigant

Surface Properties

Abstract

Introduction: The aim of this study was to evaluate the effect of different irrigating solutions and irrigation protocols on the chemical and physical structure of root Dentin. Materials and Methods: Thirty extracted single-rooted human teeth were selected and then distributed into the following treatment groups (n=10): G1, saline solution (0. 9% NaCl); G2, 2. 5% NaOCl + 17% EDTA + 2. 5% NaOCl; G3, 2. 5% NaOCl + 9% Etidronate (HEBP) + 2. 5% NaOCl; G4, mixture of 5% NaOCl + 18% HEBP; G5, 2. 5% NaOCl + 17% EDTA + 0. 9% NaCl, and G6, 2. 5% NaOCl + 9% HEBP + 0. 9% NaCl. The ultrastructure of Dentin was characterized through scanning electron microscopy (SEM) and energy dispersive x-ray spectrometry (EDS) determined the chemical composition in terms of the calcium (Ca), phosphorus (P), magnesium (Mg) and potassium (K) content and the Ca/P ratio; and the crystalline phase was analyzed by x-ray diffraction (XRD). A descriptive analysis was performed on the ultrastructure and the crystallography data of Dentin. Data analysis included a chemical composition analysis of variance (one-way ANOVA) and a subsequent multiple comparison test (Tukey’ s test). Results: Except for the control group, all groups showed morphological changes upon visualization with SEM. For EDS, G2 and G5 showed significant mineral loss and changes in the Ca/P ratio (P<0. 05); the highest values of Ca and P were observed in G3, G4 and G6. Conclusion: All the irrigating solutions and irrigation protocols tested promoted changes in the morphology and physical and chemical composition of the Dentin. However, no significant differences were observed crystallographically.

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APA: Copy

Magdalena Lima Nogueira, Brenna, Isabele da Costa Pereira, Thais, Feliz Pedrinha, Victor, & de Almeida Rodrigues, Patricia. (2018). Effects of Different Irrigation Solutions and Protocols on Mineral Content and Ultrastructure of Root Canal Dentine. IRANIAN ENDODONTIC JOURNAL (IEJ), 13(2), 209-215. SID. https://sid.ir/paper/303051/en

Vancouver: Copy

Magdalena Lima Nogueira Brenna, Isabele da Costa Pereira Thais, Feliz Pedrinha Victor, de Almeida Rodrigues Patricia. Effects of Different Irrigation Solutions and Protocols on Mineral Content and Ultrastructure of Root Canal Dentine. IRANIAN ENDODONTIC JOURNAL (IEJ)[Internet]. 2018;13(2):209-215. Available from: https://sid.ir/paper/303051/en

IEEE: Copy

Brenna Magdalena Lima Nogueira, Thais Isabele da Costa Pereira, Victor Feliz Pedrinha, and Patricia de Almeida Rodrigues, “Effects of Different Irrigation Solutions and Protocols on Mineral Content and Ultrastructure of Root Canal Dentine,” IRANIAN ENDODONTIC JOURNAL (IEJ), vol. 13, no. 2, pp. 209–215, 2018, [Online]. Available: https://sid.ir/paper/303051/en

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