title: Retreatodontics and ultrasonics.
authors.forename: D E
authors.initials: DE
authors.lastname: Stamos
authors.forename: D G
authors.initials: DG
authors.lastname: Stamos
authors.forename: S K
authors.initials: SK
authors.lastname: Perkins
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D012008:Recurrence; D012390:Root Canal Therapy / Q000009:adverse effects / Q000379:methods*; D014464:Ultrasonic Therapy / Q000379:methods*