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  Indian J Med Microbiol
 

Table 2: Comparison of mean dye penetration (nm) between self-etch and total-etch in Group 1 and Group 2 using student's paired t-test

Table 2: Comparison of mean dye penetration (nm) between self-etch and total-etch in Group 1 and Group 2 using student's paired <i>t</i>-test