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Effect of force application point in conditions 1, and 7-9 (C1, C7-9). A, Axis change of the central incisor (CI), canine (C), and first molar (M1). B, Lateral displacement of the CI, first premolar (PM1), second premolar (PM2), M1, and second molar (M2). C1, 7 and 8: conditions 1, 7 and 8 (for the definition, refer to Figure 2).
