The efficiency of extended postoperative antibiotic prophylaxis in orthognathic surgery: a prospective, randomized, double-blind, placebo-controlled clinical trial

Postoperative antibiotics are commonly administered in orthognathic surgery, despite the fact that there is no consensus regarding their efficacy. The objective of this study was to investigate the effectiveness of postoperative antibiotics in orthognathic surgery by conducting a prospective, randomized, double-blind, placebo-controlled trial.Patients were randomly allocated into one of two study groups: the intervention group (treated with 1 gram of intravenous (IV) amoxicillin-clavulanate TID) or the placebo group (treated with 50 mL of IV 0.9% NaCl TID).

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