De-Deus, G Arrowhead design ultrasonic tip as a supplementary tool for canal debridement. [electronic resource] - International endodontic journal Mar 2020 - 410-420 p. digital Publication Type: Journal Article ISSN: 1365-2591 Standard No.: 10.1111/iej.13236 doi Subjects--Topical Terms: DebridementDental Pulp CavityEquipment DesignRoot Canal PreparationUltrasonicsX-Ray Microtomography