Multilevel Ponte osteotomies vs facetectomies in AIS. n=35; osteo n=18, facet n=17. Osteo ↑blood loss (97 vs 66mL/level, p=0.01), ↑op time (31 vs 23min/level, p<0.001). No diff coronal corr (84 vs 83%), kyphosis Δ (8° vs 1°). No benefit in routine Ponte.