Patent ID: 8246348

Claim:
A self-ligating orthodontic bracket comprising: a base member having a base plate with a bottom side adapted to be attached to a tooth and a top side from which upper structure extends upwardly, the upper structure having first and second tie wings between which there is an arch-wire-receiving slot, the first tie wing having at least one bore radially accessible by a feed slot; and a closing spring member having a first end which is anchored to the first tie wing and a second end which is movable between an opened position in which the slot arch-wire-receiving slot is freely accessible for the insertion of the archwire and a closed position, the closing spring member having has a torsion tab dimensioned to be introduced into the bore through the feed slot, the torsion tab being deformable by twisting at its free end into a changed shape in such a way that it cannot be removed and fall out of such bore until it is twisted back into its original shape.