Influence of size and insertion depth of irrigation needle on debris extrusion and sealer penetration.
Emel Uzunoglu-ÖzyürekHakan KaraaslanSevinç Aktemur TürkerBahar ÖzçelikPublished in: Restorative dentistry & endodontics (2017)
Following preparation, inserting narrower needles compatible with the final apical diameter of the prepared root canal at 3 mm short of WL during final irrigation might prevent debris extrusion and improve sealer penetration in the apical third.