摘要 |
An orthodontic device and an orthodontic method that can prevent an orthodontic treatment from being eccentrically performed while aligning straightly tooth. The orthodontic device includes teeth-attachment unit attached to an orthodontic tooth object; and hook member provided in the teeth-attachment unit and having a connection part of traction unit for orthodontic treatment that is located in the vicinity of a center of resistance (CR) of a tooth. In addition, the orthodontic device includes teeth-attachment unit; and hook member provided in the teeth-attachment unit and having a connection part of traction unit for orthodontic treatment that is located in the vicinity of at least gingiva. Since the teeth-attachment unit of a bracket or a button is substantially horizontal to a traction line of the traction unit, it is possible to perform the orthodontic treatment effectively without eccentric phenomenon in which the tooth and a dental root are tilted. |