 Tests of equivalence between the TheraGauze tobramycin and standard iodoform wick packing treatment groups will establish statistical significance if the two-sided 90 confidence interval for the difference falls within the limits -δ, δ, where δ is the margin of clinically accepted difference. This analysis will determine whether the outcomes are equivalent between the TheraGauzetobramycin and standard iodoform wick packing treatment groups. 