Dental General 356a42a6 Which among the following is the best irrigant for the removal of the smear layer: A H2O2 B NaOCl. C H2O2+NaOCl. D EDTA. High-Yield Explanation H2O2 + NaOCl (best for removal of smear layer). NaOCl should be used last to avoid surgical emphysema caused by H2O2