Fig.3From: Three-dimensional analysis of the relationship between mandibular retromolar space and positional traits of third molars in non-hyperdivergent adultsThe projected schematic diagram of reference plane, line and the FH-related angulations on the sagittal plane. A FH, WP, WL and the < FH-WP, < FH-WL. B FH, OP, OL and < FH-OP, < FH-OLBack to article page