Ocena porównawcza dynamicznych i biernych systemów przepłukiwania kanału korzeniowego w aspekcie skuteczności oczyszczania kanału oraz ryzyka przepchnięcia środka płuczącego poza wierzchołek kanału
Discussion
Thisin vitrostudy was conducted to evaluate the effectiveness of the root canal debridement after irrigation with an EndoVac compared to the tip-vented and side-vented needle irrigation systems. The second objective of the study was to evaluate the extrusion of irrigants to the apical area of the root.
In the present study, the maximum debris removal in the apical third was achieved with the EndoVac followed by the tip-vented and side-vented irrigation systems. This observation is in agreement with previous studies, which showed that the EndoVac system is safer and more effective for cleaning the root canal [1, 12, 14, 19, 20].
The intracanal aspiration technique was developed to avoid the effects of irrigant extrusion [14]. EndoVac is an irrigation system that has been reported to have the ability to prevent the extrusion of irrigation solution and clean the entire root canal. The irrigation needle is inserted to working length and connected to the EndoVac suction device, which creates a negative pressure to aspirate the irrigation solution at the apex. This suction creates a steady flow of irrigation solution through the entire root canal, which allows the irrigant to debride and disinfect especially in last millimetre of the root canal without extrusion. A study by Fukumoto et al. [19] found that the negative pressure system had less extrusion of irrigant than needle irrigation (positive pressure) when both were [...]
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