Aim: To evaluate the shear bond strength of pure tricalcium silicate-based cement (Biodentine) to Cention N between two maturation times of Biodentine, namely 12 minutes and 2 weeks. Materials and Methods: 30 acrylic blocks with a hole (3 mm in diameter and 1.5 mm in height) were prepared. Biodentine was mixed according to the manufacturer's instructions and placed into the holes. The Samples were randomly divided into two groups. In group 1, Cention N was bonded to the Biodentine after 12 mins; in group 2, Cention N was bonded to Biodentine after 2 weeks. A plastic cylinder of height and diameter 2 mm was used to place Cention N over the Biodentine. A universal testing machine was used to measure the shear bond strength of the specimen. Data was analysed using SPSS V15.0. South Asia, Bangalore. Independent sample t-test was applied to compare the mean of the maximum compressive stress of the two groups. Result: Group 2 demonstrated significantly higher shear bond strength values compared to group 1. Lower shear bond strength testing values were observed when Cention N was bonded to an initially set Biodentine. Conclusion: The maturation period of Biodentine has a significant impact on its shear bond strength to Cention N. It is advisable to place the final overlying restoration after waiting for a duration of two weeks to allow the Biodentine maturation to take place.
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