title: [The fabrication and clinical application of semi-fixed mandibular lingual arch expansion appliance].
abstract: Semi-fixed mandibular lingual arch expansion appliance is composed of a mandibular molar band, a keyway and arch expansion spring. The arch expansion spring are used to expand maxillary arch symmetrically or asymmetrically when bolts of the two ends are inset into keyways. Dental arch expansion appliance for 25 patients with mandibular arch stenosis showed that semi-fixed mandibular lingual arch expansion had good effect and could be used to expand mandibular arch.
authors.affiliation: Dept. of Orthodontics, Donggang District People's Hospital of Rizhao City, Rizhao 276800, China.
authors.forename: Shi-tong
authors.initials: ST
authors.lastname: Jiang
authors.forename: Hua
authors.initials: H
authors.lastname: Wang
authors.forename: Zhong-jun
authors.initials: ZJ
authors.lastname: An
authors.forename: Guang-jun
authors.initials: GJ
authors.lastname: Jiang
authors.forename: Liang-kun
authors.initials: LK
authors.lastname: Jiang
mesh_terms: D003724:Dental Arch; D006801:Humans; D008334:Mandible / Q000473:pathology*; D009967:Orthodontic Appliances; D010155:Palatal Expansion Technique