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New tricalcium silicate cements have been shown to induce less coronal discoloration. The purpose of this invitro study was to evaluate the degree of color change induced by various silicate materials in the presence and absence of blood. One hundred human extracted anterior single-canal teeth were sectioned to standardized root lengths, accessed, and instrumented. Eight random experimental groups and 2 control groups were created wherein specimens were filled with experimental materials below the buccal cementoenamel junction as follo