Table 1 Irrigants tested alone (NaOCl, EDTA, EDTA-BC and saline) or combined in different sequences.

From: A matched irrigation and obturation strategy for root canal therapy

Protocols

Groups

Irrigants

A

1

NaOCl 2%

2

NaOCl 2%–EDTA

3

NaOCl 2%–EDTA–NaOCl 2%

B

4

NaOCl 5%

5

NaOCl 5%–EDTA

6

NaOCl 5%–EDTA–NaOCl 5%

C

1

NaOCl 2%

7

NaOCl 2%–EDTA-BC

D

4

NaOCl 5%

8

NaOCl 5%–EDTA-BC

E

9

EDTA

F

10

EDTA-BC

G

11

Saline solution

  1. NaOCl sodium hypochlorite, EDTA 17% ethylene diamine tetracetic acid, BC benzalconium chloride.