Elimination of Calcium Hydroxide from Simulated Internal Resorption Cavities Using EDDY

Year 2022, Volume: 23 Issue: 3, 321 - 327, 30.09.2022

Hakan Göktürk , İsmail Özkoçak Seda Tan İpek

Abstract

Objective: Calcium hydroxide (CH) is a preferred interappointment medicament to increase antimicrobial activity in intracanal irregularities such as internal root resorption (IRR). This study aimed to compare the effectiveness of EDDY, passive ultrasonic irrigation (PUI), sonic irrigation, CanalBrush (CB), manual dynamic irrigation (MDI) and syringe irrigation (SI) in the elimination of CH from IRR cavities.
Materials and Methods: One hundred and twenty-eight single-rooted teeth with straight root canals were prepared using rotary instruments and split longitudinally. A standardized artificial IRR cavity was prepared in the middle third of each half of the specimens. For the negative control group, four teeth were selected which did not receive any further treatment. The remaining roots were filled with CH and distributed into a positive control (n=4) group and 6 experimental groups (n=20): SI; MDI; PUI; EDDY; CB, and Rispisonic (RS). Five-mL 5% sodium hypochlorite and 5 mL 17% ethylenediaminetetraacetic acid were used as irrigants. The quantity of CH remnants was scored. Results of the scoring were analyzed using statistical analyses.
Results: None of the tested methods could create cavities free of CH. PUI and EDDY were found to be significantly more effective than the other investigated methods (p<0.05). SI was significantly less efficient compared to the other tested groups (p<0.05).
Conclusion: The activation of irrigants increased the elimination of CH from the IRR cavities. Among the investigated activation regimens, PUI and EDDY was more effective than CB, MDI, RS.

Keywords

Calcium hydroxide , irrigation , root resorption , sonic , ultrasonic , root cana

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