Fig. 2From: Evaluation of the position and morphology of tongue and hyoid bone in skeletal Class II malocclusion based on cone beam computed tomographyAssessment of the position of hyoid bone: (1) C3-Me; (2) C3-H; (3) H-Me; (4) H–H’; (5) H–X(the vertical distance from H to the VPS plane); (6) H–Y (the vertical distance from H to the PS plane); (7) H–N–S (angle formed by H–N line and N–S line); (8) H–S–Ba (angle formed by H–S line and S–Ba line)Back to article page