Medical Device Safety Alert: Stryker Instruments, A Division Of Stryker Corporation iBur Coarse Diamond Round, Distal Bend [Model or catalog number: 8431-013-030DC, 8431-013-050DC, 8431-013-040DC; Lot or Serial number: Mulitple], iBur Diamond Round, Distal Bend [Model or catalog number: 8431-012-040D, 8431-012-020D, 8431-012-030D; Lot or Serial number: Mulitple], iBur Precision Match Head, Distal Bend [Model or catalog number: 8431-107-530; Lot or Serial number: Mulitple], iBur Precision Round, Distal Bend [Model or catalog number: 8431-009-040, 8431-009-030; Lot or Serial number: Mulitple]