Fig. 3From: Morphological changes of the anterior alveolar bone due to retraction of anterior teeth: a retrospective study(A): Illustration of the superimposition of pre- and post-treatment tracings on the palatal plane at the ANS to determine the change in the position of point A. (B): Illustration of the superimposition of pre- and post-treatment tracings on the mandibular plane at the gnathion to determine the change in the position of point B.Back to article page