Primary study · included by 1 review

Comparison of the dento-skeletal effects produced by Leaf expander versus rapid maxillary expander in prepubertal patients: a two-center randomized controlled trial

Paoloni 2022 · Paoloni Valeria, Giuntini Veronica, Lione Roberta, et al. · European Journal of Orthodontics · 2021

Included by

Transverse Maxillary Correction: Leaf Expander vs. Rapid Maxillary Expansion Appliances-A Systematic Review and Meta-Analysis.
Non-Cochrane · intervention · 2026 · cited as Paoloni 2022 · Table 2; Figures 3-5, 7
Outcome this study informsPooled effectEvidenceCertainty
Inter-first permanent molar distance (IFPM) transverse change
Slow maxillary expansion (SME) with spring-based Leaf Expander vs Rapid maxillary expansion (RME) with conventional Hyrax- or Haas-type expander · Change from baseline (T0) to post-treatment (T1), at completion of active expansion
SMD -0.17 [-0.56, 0.21]3 studiesVery low
Inter-canine distance (IDC) transverse change
Slow maxillary expansion (SME) with spring-based Leaf Expander vs Rapid maxillary expansion (RME) with conventional Hyrax- or Haas-type expander · Change from baseline (T0) to post-treatment (T1), at completion of active expansion
SMD 0.13 [-1.24, 1.50]2 studiesLow
Basal maxillary width (BMW) transverse change
Slow maxillary expansion (SME) with spring-based Leaf Expander vs Rapid maxillary expansion (RME) with conventional Hyrax- or Haas-type expander · Change from baseline (T0) to post-treatment (T1), at completion of active expansion
SMD -0.34 [-0.77, 0.08]2 studiesVery low

1 including review in total.