431 Short Course of Oral Antibiotic Treatment after Two-Stage Exchange Arthroplasty Appears to Decrease Early Reinfection

432 Real-Component Low-Friction Spacers for Two-Stage Exchange Show Decreased Bacterial Colonization Compared to Cement Molds and Static Spacers

433 Permanent Articulating Spacer versus Two-Stage Exchange for Chronic Periprosthetic Joint Infection: A Propensity-Score Matched Study

434 Cemented Metal and Polyethylene Spacers have Similar Cost Profiles Compared to All-Cement Articulating Spacers for Treatment of Knee Periprosthetic Joint Infection

435 Suppressive Antibiotic Therapy after Total Joint Arthroplasty Debridement, Antibiotics, and Implant Retention (DAIR) is Well-Tolerated and Does Not Induce Resistance: A Multicenter Study