title: Flap designs for gaining access to periapical lesions.
abstract: This article describes the clinical use of the vertical incision and its variations for gaining access to periapical lesions in order to attempt correction of endodontic failures.
mesh_terms: D006801:Humans; D008722:Methods; D010483:Periapical Diseases / Q000601:surgery*; D012390:Root Canal Therapy; D013524:Surgical Flaps; D013536:Suture Techniques