Research Article

Effects of Palatal Expansion with Torque Activation using a Transpalatal Arch: A Preliminary Single-Blind Randomized Clinical Trial

Table 1

Sample characteristics.

GroupCrossbite sideOcclusionSexAge (Years Months)

Group 1-Control (symmetrical expansion)RightCL IMale106
LeftCL IFemale11
RightCL II, SUB, RMale93
LeftCL IFemale112
RightCL IMale107
LeftCL IMale132
LeftCL IMale124
LeftCL IIFemale152
RightCL IFemale11
LeftCL IFemale72
LeftCL IMale156
RightCL IFemale95
RightCL IFemale113
RightCL IFemale116
RightCL IMale117

Group 2-Experimental (torque activation)RightCL IMale86
LeftCL IFemale102
RightCL IFemale83
LeftCL IFemale104
RightCL IFemale98
LeftCL IMale115
RightCL IFemale103
LeftCL IMale106
LeftCL IFemale94
LeftCL IFemale156
RightCL IFemale115
RightCL IMale11
LeftCL IFemale132
LeftCL IIFemale101
LeftCL IFemale93