Patent ID: 8297970
Filing Date: 2012-10-30
Classification: A61C

Abstract:
1. An orthodontic bracket for orthodontic treatment, which has a face for joining to a tooth surface in the a lower portion thereof and has a groove for holding an archwire provided in a center thereof so as to slide freely and/or be fixed, the bracket comprising: a bracket body that includes the groove for holding the archwire; and a slider portion guided by the bracket body, the slider portion holds the archwire so as to be guided by three surfaces of a through groove consisting of an upper portion, side portion, and lower portion of the slider portion while being able to move relative to the bracket body, wherein a first through groove is provided in a first overhang portion of an outer sidewall of the bracket body, wherein the first overhang portion extends along the direction of installation of the archwire, a second through groove is provided in a second overhang portion of an outer sidewall of the slider portion, wherein the second overhang portion extends along the direction of installation of the archwire, the slider portion has a surface area that is approximately half of the surface area of the bracket body when viewed from above, the slider portion is configured to be attached to and detached from the bracket body while moving forward and backward relative to the bracket body along a straight line by means of two guide portions provided on the bracket body and positioned at the lower portion of the archwire, the slider portion has two elastically deformable holding portions for fixing and holding the archwire using the elasticity of the slider portion itself at the position of the two guide portions of the bracket body, and the two elastically deformable holding portions pinch the two guide portions of the bracket body.