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. 2025 Apr 16;47(3):cjaf024. doi: 10.1093/ejo/cjaf024

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© The Author(s) 2025. Published by Oxford University Press on behalf of the European Orthodontic Society

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Figure depicting the number of included studies in the soping review according to the correspondent author's continent (33.3% in the Americas, 33.3% in Asia, 25% in Europe and 8.3% in Oceania). And the number of publication per decade( 2 studies in the 1990s, 2 studies in the 2000s, 12 studies in the 2010s, and 8 studies in the 2020s). — Distribution of included studies (n = 24) according to corresponding author’s continent (A) and decade of publication (B).