Chlorhexidine 1 Debris extrusion Endovac 1 Humans 1 In Vitro Techniques 1 Random Allocation 1 Reciprocating files 1 Root Canal Irrigants 1 Root Canal Preparation 1 Saline Solution 1 Sodium Hypochlorite 1 Sodium hypochlorite 1 Therapeutic Irrigation 1 Tooth Apex 1 administration and dosage 1 biomedical and dental materials 1 chlorhexidine 1 evaluation study 1 human 1 hypochlorite sodium 1 in vitro study 1 lavage 1 metabolism 1 procedures 1 randomization 1 root canal preparation 1 tooth apex 1