From: Comparison between rapid and mixed maxillary expansion through an assessment of dento-skeletal effects on posteroanterior cephalometry
Male
Female
Mean age ± SD (years)
CVM stage
T0
T1
RME group
21
8
13
8.8 ± 1.37
9.6 ± 1.45
CS1-CS2
CS2-CS3
MME group
9
12
8.9 ± 2.34
10.5 ± 2.08