title: [Retreatment: new possibilities].
authors.forename: B
authors.initials: B
authors.lastname: Delzangles
mesh_terms: D006801:Humans; D012390:Root Canal Therapy / Q000009:adverse effects / Q000295:instrumentation; D014464:Ultrasonic Therapy / Q000295:instrumentation
vernacular_title: La reprise de traitement: de nouvelles possibilités.