Penetration effect of sodium hypochlorite activated by the NSKVarios 370 ultrasonic system and the EQ-S sonic system in singlerooted premolars. Acta Odontol Latinoam [Internet]. 2026 Aug. 31 [cited 2026 Sep. 15];39(1):101-8. Available from: https://saio.org.ar/aol/index.php/1/article/view/176