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Average setting time of the tested cements (n = 3). Time recorded based on average of three tests using Vicat apparatus. The final time recorded when needle was unable to make complete circular indentation in setting cement. Significant differences between NHA and all other groups *** p < 0.001, BHA 10% & BHA 20%, and between BHA 30%, BHA 40% & PC 65. *** p < 0.001. * p < 0.05, ** p < 0.01, *** p < 0.001.
