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Figure 9: Scanning electron micrographs of all four groups at ×2000 magnification. (a) Sample from Group 1A shows incomplete removal of smear layer and partially open dentinal tubules. (b) Sample from Group 1B shows partial smear layer removal with open dentinal tubules. (c) Sample from Group 2A shows near complete removal of smear layer and open dentinal tubules. (d) Sample from group 2B shows complete removal of smear layer, comparatively more number of open dentinal tubules and reduced intertubular dentin

Figure 9: Scanning electron micrographs of all four groups at ×2000 magnification. (a) Sample from Group 1A shows incomplete removal of smear layer and partially open dentinal tubules. (b) Sample from Group 1B shows partial smear layer removal with open dentinal tubules. (c) Sample from Group 2A shows near complete removal of smear layer and open dentinal tubules. (d) Sample from group 2B shows complete removal of smear layer, comparatively more number of open dentinal tubules and reduced intertubular dentin