title: [Orthodontic extrusion of crown-root fractured teeth and teeth with root caries--report of 5 cases].
abstract: OBJECTIVE
  To discuss orthodontic extrusion of crown-root fractured teeth before restoration.
  
  
  METHODS
  3 cases with fractured teeth and 2 cases with root caries were performed canal therapy.
  
  
  RESULTS
  Orthodontic extrusion of the root was carried out before restoration. All cases were satisfactory after treatment.
  
  
  CONCLUSIONS
  Orthodontic extrusion of remaining root before restoration not only can maintain the remaining root but also obtain functional and esthetic results.
authors.affiliation: Department of Stomatology, Renmin Hospital, Wuhan University, Wuhan 430060, China. weiwenzhou8@msn.com
authors.forename: Jun
authors.initials: J
authors.lastname: Li
authors.forename: Xiang-rong
authors.initials: XR
authors.lastname: Cheng
authors.forename: Cui
authors.initials: C
authors.lastname: Huang
mesh_terms: D006801:Humans; D012390:Root Canal Therapy; D017213:Root Caries / Q000628:therapy*; D019228:Tooth Crown / Q000293:injuries*; D014082:Tooth Fractures / Q000628:therapy*; D014087:Tooth Movement Techniques / Q000379:methods*; D014092:Tooth Root / Q000293:injuries*