title: [Clinical application and design of rotating auxiliary spring for rotated tooth in edgewise technique].
abstract: The structural theory and fabrication of a self-designed rotating auxiliary spring in edgewise technique were described. Rotating auxiliary spring was applied to correct rotated tooth in clinic. It indicated that rotating auxiliary spring was an easy-fabricated, convenient-manipulated device, and could produce an effective treatment results in correcting rotated tooth, especially in the final adjustment stage.
authors.affiliation: Dept of Orthodontics, Stomatological Hospital of Nanchang University, Nanchang 330006, China.
authors.forename: Xu-Sheng
authors.initials: XS
authors.lastname: Fan
authors.forename: Zhi-Hua
authors.initials: ZH
authors.lastname: Li
authors.forename: Chong
authors.initials: C
authors.lastname: Huang
mesh_terms: D006801:Humans; D008310:Malocclusion; D014087:Tooth Movement Techniques