The efficiency of different irrigation methods in removal of calcium hydroxide from root canals after minimally invasive endodontics
AIM:To evaluate the efficiency of different irrigation methods in removal of calcium hydroxide from root canals after minimally invasive endodontics,providing a reference for clinical treatment.METHODS:A total of 32 premolars were minimally invasive prepared by TruNatomy system and filled with calcium hydroxide.The samples were randomly divided into 4 groups(n=8)according to different irrigation methods:passive ultrasonic irrigation(PUI),sonic agitation,XP-endo finisher(XPF)irrigation,and K File irrigation.The volumes of the residual calcium hydroxide were measured by CBCT before and after irrigation,to compare the removal efficiency of different irritation methods and solu-tions.RESULTS:After the application of all irrigation techniques,calcium hydroxide residues remained within the root canals,with significant differences observed between the use of PUI,XPF,EDDY,and K File(P＜0.05),where the PUI and XPF groups had relatively less calcium hydroxide residue.CONCLUSION:After minimally invasive preparation,the use of PUI and XPF is more effective in removing calcium hydroxide from the root canal,but there is no significant differ-ence in efficiency between PUI and XPF.
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