Primary study · included by 2 reviews

Dimensional changes in the palate associated with Invisalign First System: a pilot study.

Wang et al. 2023 · Wang Junbo, Bukhari Abdulkadir, Tai Sandra K, et al. · The Angle orthodontist · 2023

Included by

Non-Cochrane · intervention · 2026 · cited as Wang 2023 · Table 1; Results forest plots Figs. 4-9

Outcome this study informs	Pooled effect	Evidence	Certainty
Quantity of expansion: intermolar distance (6-6) Clear aligners (Invisalign First) vs Conventional maxillary expanders (RME/Hyrax, leaf, removable acrylic, slow expansion) · Change from baseline to end of treatment	MD -1.77 [-2.57, -0.97]	7 studies · 333 participants	Moderate
Total palatal volume Clear aligners (Invisalign First) vs Conventional maxillary expanders (RME/Hyrax, leaf, removable acrylic, slow expansion) · Change from baseline to end of treatment	MD -460.63 [-738.32, -182.94]	2 studies · 85 participants	Moderate
Total palatal area Clear aligners (Invisalign First) vs Conventional maxillary expanders (RME/Hyrax, leaf, removable acrylic, slow expansion) · Change from baseline to end of treatment	MD -48.15 [-104.07, 7.76]	2 studies · 85 participants	Low
Intercanine distance (C-C) Clear aligners (Invisalign First) vs Conventional maxillary expanders (RME/Hyrax, leaf, removable acrylic, slow expansion) · Change from baseline to end of treatment	MD -0.74 [-1.68, 0.20]	7 studies · 333 participants	GRADE not reported
Intercanine distance (C-C) Clear aligners (Invisalign First) vs Conventional maxillary expanders (RME/Hyrax, leaf, removable acrylic, slow expansion) · Change from baseline to end of treatment	MD -0.507 [-1.44, 0.426]	7 studies · 333 participants	GRADE not reported

Non-Cochrane · intervention · 2026 · cited as Wang 2023 · Table 2; References (ref 19)

The review does not say which of its outcomes this study informs.

2 including reviews in total.