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. 2014 May-Jun;22(3):174–179. doi: 10.1590/1678-775720130174

Figure 1.

Protocols for irrigation

Groups Chemical-auxiliary substance Intermediate flush Smear layer removal Final flush
Distilled water (DW) 6 mL DW 10 mL DW 3 mL DW 10 mL DW
NaOCl/EDTA 1 mL 5.25% NaOCl + 5 mL DW 10 mL DW 3 mL 17% EDTA 10 mL DW
NaOCl/H3PO4 1 mL 5.25% NaOCl + 5 mL DW 10 mL DW 3 mL 37% phosphoric acid 10 mL DW
NaOCl/EDTA/CHX 1 mL 5.25% NaOCl + 5 mL DW 10 mL DW 3 mL 17% EDTA 5 mL DW + 5 mL 2% CHX solution
NaOCl/H3PO4/CHX 1 mL 5.25% NaOCl + 5 mL DW 10 mL DW 3 mL 37% phosphoric acid 5 mL DW + 5 mL 2% CHX solution
CHX/EDTA 1 mL 2% CHX gel + 5 mL DW 10 mL DW 3 mL 17% EDTA 10 mL DW
CHX/H3PO4 1 mL 2% CHX gel + 5 mL DW 10 mL DW 3 mL 37% phosphoric acid 10 mL DW
CHX/EDTA/CHX 1 mL 2% CHX gel + 5 mL DW 10 mL DW 3 mL 17% EDTA 5 mL DW + 5 mL 2% CHX solution
CHX/H3PO4/CHX 1 mL 2% CHX gel + 5 mL DW 10 mL DW 3 mL 37% phosphoric acid 5 mL DW + 5 mL 2% CHX solution

*CHX - chlorhexidine