Fig. 3From: Evaluation of mandibular motion in adolescents with skeletal class II division 1 malocclusion during mandibular advancement using clear functional aligners: a prospective studySchematic of the spatial coordinate system. The line connecting the right and left condylar points is the Y axis, with the coordinate origin located in the middle of the condylar. The X-axis represents the anteroposterior direction, whereas the Z-axis represents the superoinferior directionBack to article page