title: Clockwise torsional properties of new and used root canal files.
authors.forename: B L
authors.initials: BL
authors.lastname: Chenail
authors.forename: W A
authors.initials: WA
authors.lastname: Brantley
authors.forename: H
authors.initials: H
authors.lastname: Gerstein
mesh_terms: D004867:Equipment Design; D004868:Equipment Failure; D012390:Root Canal Therapy / Q000295:instrumentation*; D012399:Rotation; D013242:Sterilization