Fig. 7. Comparison of fold change in regulation of 4 genes as assessed by microarray and quantitative RT-PCT with β-actin as an internal control. Different superscript letters indicate significant difference (P < 0.05) A is HNO₃ etching group, B is HF etching group, C is photo-assisted etching group, D is no treated control group.

J Dent Rehabil Appl Sci 2021;37:23-30 https://doi.org/10.14368/jdras.2021.37.1.23

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