Impact of needle insertion depth on the removal of hard-tissue debris.
Renata Perez Vianna SilvaA A NevesFelipe Gonçalves BelladonnaE J N L SilvaE M SouzaS FidelM A VersianiI LimaC CarvalhoG De-DeusPublished in: International endodontic journal (2016)
The insertion depth of irrigation needles significantly influenced the removal of hard-tissue debris. A needle tip positioned 1 mm short of the WL resulted in percentage levels of hard-tissue debris removal almost three times higher than when positioned 5 mm from the WL.