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European Journal of Prosthodontics and Restorative Dentistry

Effect of Saliva and Blood Contamination on the Bi-Axial Flexural Strength and Setting Time of Two Calcium-Silicate Based Cements: Portland Cement and Biodentine

Abstract

Abstract - This study evaluated the effect of contamination with saliva and blood on the bi-axial flexural strength and setting time of pure gray Portland cement and Biodentine (Septodont, Allington, UK). A one-way ANOVA showed that contamination caused no significant difference between the cements in bi-axial flexural strength (P> 0.05). However, there was a significant difference in setting time (P<0.001), with Portland cement taking longer than Biodentine, regardless of the contaminant, and contamination with blood increased the setting time of both materials. Biodentine was similar in strength to Portland cement, but had a shorter setting time for both contaminated and non-contaminated samples.

KEY WORDS: Biodentine, bi-axial flexural strength, MTA, surgical endodontics

Authors

W. Alhodiry, M.F. Lyons, R.G. Chadwick

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