Shape memory self-ligating orthodontic brackets

Details Shape memory self-ligating orthodontic brackets Shape memory self-ligating orthodontic brackets

A - Human Necessities

61

C

A61C 7/30 (2006.01)

Patent

CA 2511246

Self-ligating orthodontic brackets which are at least partially formed of materials exhibiting shape memory each of which includes a base from which extends two spaced and opposing pairs of tie wings each pair of which define an archwire guide slot therebetween. Each of the opposing tie wings include portions which are normally spaced to retain an archwire within the archwire guide slot but at least a portion of one of each pair of opposing tie wings is yieldable relative to the other to permit insertion and/or removal of the archwire relative to the archwire guide slot. Portions of the brackets may be coated to reduce friction between the archwire guide slot and the archwire and to promote aesthetics and overall bracket appearance.

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