highly significantP < 0.001
On applying t -test for two independent groups, the mean difference of width of intracanal dentinal tubule openings (−2.2726400 μm) was highly significant ( P < 0.001).
On applying t -test for two independent groups, the mean difference of width of intracanal dentinal tubule openings (−2.2726400 μm) was highly significant ( P < 0.001).