title: [Report of seven cases for space management during mixed dentition using remaining space].
abstract: OBJECTIVE
  To investigate the clinical effect of space management using remaining space during teeth replacement in mixed dentition.
  
  
  METHODS
  Fixed retainer was used to retain the remaining space for patients with space loss in mixed dentition.
  
  
  RESULTS
  In 7 cases, 6 were successfully treated, the deciduous dentition was replaced with permanent dentition. Only 1 case was failed.
  
  
  CONCLUSIONS
  It has good effect using fixed retainer to preserve the remaining space for space management in mixed dentition. It is a relatively simple, fast and economical method for early treatment in clinic. Due to less number of cases in this study, we need more cases for further observation.
authors.affiliation: Department of Pediatric Dentistry,Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology. Shanghai 200011; China.E-mail:wangsun9h@sina.com.
authors.forename: Sun
authors.initials: S
authors.lastname: Wang
authors.forename: Yue-hua
authors.initials: YH
authors.lastname: Ling
authors.forename: Wei
authors.initials: W
authors.lastname: Zheng
mesh_terms: D003818:Dentition, Mixed; D019229:Dentition, Permanent; D006801:Humans; D014094:Tooth, Deciduous