Patent ID: 7442039

Claim:
An orthodontic bracket comprising: a base firmly attachable directly or indirectly to teeth surfaces; a bracket main body equipped on one side of the base; an arch wire slot shaped as a groove along a mesiodistal direction in the bracket main body, operative to support an arch wire therein; a substantially belt-like clip curved substantially in a U-shape to cover at least one part of the arch wire slot that opposes the base, the clip having a catching end portion, at an upper end part of the clip, operative to creep under a cover portion of the bracket main body, and a recess portion, at the upper end part of the clip, operative to catch a clip release tool for releasing the clip; a guide portion formed in at least one of the bracket main body and the base, the guide portion provided along a tooth axial direction crossing with the arch wire slot, the guide portion operative to guide the clip; a middle groove, formed on the bracket main body at a middle area thereof along a direction perpendicular to the mesiodistal direction; and a wall portion which extends upward from an edge of the middle groove and faces the cover portion, wherein the bracket main body has a front end portion and a rear end portion, the front end portion being separated from the rear end portion by the arch wire slot, and wherein the cover portion is provided at the front end portion and the edge from which the wall portion extends is provided at the rear end portion, and wherein the wall portion extends in a direction perpendicular to the mesiodistal direction and perpendicular the direction of the middle groove.