Medical Device Safety Alert: Orthodontic Supply Of Canada Inc. Rectangular BTA wires - Beta Titanium Archwire [Model or catalog number: C28-365, C28-567, C28-564, C28-264, C28-262, C28-364, C28-267, C28-265, C28-362, C28-367, C28-563; Lot or serial number: Mulitple], BTA Optiform [Lot or serial number: Mulitple], BTA Optiform Single [Lot or serial number: Mulitple], BTA Single [Model or catalog number: C28-265S, C28-265S, C28-362S, C28-961S, C28-364S, C28-264S, C28-861S, C28-267S, C28-262S, C28-367S, C28-365S; Lot or serial number: Mulitple], BTA Truform [Model or catalog number: C28-269, C28-369; Lot or serial number: Mulitple]