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Title: Characterization of the Time Dependence of the Mechanical Properties and Associated Chemical Reactions of Biodentine Following Preparation
Authors: Joza S A S Alotaibi 
Supervisor: Prof. Michael V. Swain
Keywords: Dicalcium silicate : Glass Ionomer
Issue Date: 2017
Publisher:  Kuwait university - college of graduate studies
Abstract: Biodentine (Septodont, Saint Maur des Faussés, France) is novel dental cement based on hydrated tricalcium silicate compounds. It is being used in a variety of dental clinical applications. Hence, knowing more details regarding the reaction involved during the setting of this cement, as well as the strength development over time following preparation will assist clinicians to a better understanding of its material properties. The aims of this thesis were to determine the development of the mechanical properties over time and associated chemical reactions of Biodentine, especially, the tensile strength of this material following preparation using the indirect tensile strength test (DTS). Moreover, both X-ray diffraction (XRD) and Fourier transform infra-red spectroscopy (FTIR) provide the means to follow the crystallographic developments and chemical reactions occurring during the setting process. Regardless of the subsequent tests being conducted in this thesis, the method of preparing the cement remained the same. Samples of the cement to be investigated were prepared according to the manufacturer’s instructions. Fourier transform infra-red spectroscopy (FTIR), X-ray diffraction (XRD), and indirect tensile strength test (DTS) were conducted according to literature guidelines. FTIR techniques offer powerful tools for monitoring the complex chemical reactions taking place during the hydration process of Biodentine. The development of the phases, such as tricalcium silicate (Ca3SiO5), dicalcium silicate (Ca2SiO5), calcium silicate hydrate (CSH), calcium carbonate (CaCO3), calcium hydroxide (Ca(OH)2), and zirconium oxide (ZrO2) are followed using the XRD. The results of the DTS of the Biodentine increased as a function of time with P value = 0.000. This thesis describes physiochemical studies on Biodentine. Measuring the tensile strength of Biodentine will help us better understand the possible course of clinical application and its limitations. Moreover, knowing the changes in the crystallography and chemical composition before and during setting will provide a more critical basis for clinicians to use this novel dental cement reliably.
Appears in Programs:1210 Dental Materials Science

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