title: [Early face mask treatment for maxillary hyperplasia in patients with cleft lip and Palate]
abstract: OBJECTIVE: Early interfering orthodontics were used to treat maxillary hyperplasia by face mask and extra-oral bow technique in teenages.The position changes of maxilla after orthodontic treatment were evaluated.METHODS:The cephlometric variables before and after treatment were measured.Variables after treatment were compared with normal values in children with same ages,and changes of the maxillary position was determind.RESULTS:The position of the maxilla after orthopedics was significantly advanced (P<0.001),but there was still difference from normal values.CONCLUSION:In the peroid of mixed dentition of patients with cleft lip and palate,early orthodontics on maxillary hyperplasia could stimulate maxillary development and growth,remove or improve crossbite,extra-oral bow and face mask were efficient tools for this kind of patients.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, Shanghai Second Medical University. Shanghai 200011,China.
authors.forename: B
authors.initials: B
authors.lastname: Fang
authors.forename: W L
authors.initials: WL
authors.lastname: Qiu
authors.forename: W H
authors.initials: WH
authors.lastname: Yuan
authors.forename: Y S
authors.initials: YS
authors.lastname: Tang
authors.forename: G F
authors.initials: GF
authors.lastname: Shen
authors.forename: H
authors.initials: H
authors.lastname: Zhang