title: Radiographic outcome of necrotic immature teeth treated with two endodontic techniques: A retrospective analysis.
abstract: The endodontic treatment of teeth with immature root has always been a challenge. To achieve a better prognosis, regenerative endodontic treatment may become a treatment trend for teeth with apical periodontitis and immature roots.
  
  
  
  Clinical and radiographic data were collected from 38 endodontic treated immature teeth (21 apexification and 17 regeneration). Measure the radiographic outcome by quantifying the apical lesion.
  
  
  
  There was no statistical difference between the two treatments regarding PAI scores at the 1-, 3-, 6-, and 12-month follow-up (p > 0.05). In addition, different operators and the different stages of root development for both techniques showed no significant statistical difference on the final treatment results.
  
  
  
  In this study, assessment of the radiographic outcomes indicated that regenerative endodontic treatment were identical to the apexification technique.
authors.affiliation: Department of Pedodontics, Chang Gung Memorial Hospital at Taipei, Chang Gung University, College of Medicine, Taoyuan, Taiwan.
authors.forename: Szu-Ju
authors.initials: SJ
authors.lastname: Chen
authors.affiliation: Department of Pedodontics, Chang Gung Memorial Hospital at Taipei, Chang Gung University, College of Medicine, Taoyuan, Taiwan. Electronic address: lipidchen@yahoo.com.tw.
authors.forename: Li-Ping
authors.initials: LP
authors.lastname: Chen
mesh_terms: D056624:Apexification; D003790:Dental Pulp Necrosis / Q000188:drug therapy*; D006801:Humans; D012189:Retrospective Studies; D012387:Root Canal Filling Materials / Q000627:therapeutic use*; D012390:Root Canal Therapy
chemical_list: D012387:Root Canal Filling Materials
keywords: Apexification; Periapical index (PAI); Pulp revascularization; Radiology; Regenerative endodontic treatment