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Table 5 Mean (± SD) skeletal, alveolar, and dental component (mm; %) of total expansion at M1 and P1

From: Efficacy of Miniscrew-Assisted Rapid Palatal Expansion (MARPE) in late adolescents and adults with the Dutch Maxillary Expansion Device: a prospective clinical cohort study

Position Skeletal expansion Alveolar expansion Dental expansion
M1 3.75 ± 1.02 mm
60.4 ± 20.1%
0.68 ± 1.65 mm
8.1 ± 27.6%
2.12 ± 1.58 mm
31.6 ± 20.1%
P1 3.86 ± 0.95 mm
92.2 ± 14.5%
0.00 ± 1.22 mm
0.0 ± 18.6%
0.33 ± 1.16 mm
7.8 ± 17.7%