Fig. 2From: Long-term bone remodeling of maxillary anterior teeth with post-treatment alveolar bone defect in adult patients with maxillary protrusion: a prospective follow-up studyCBCT images and superimposition of maxillary incisor and surrounding alveolar bone in palatal bone dehiscence (PBD) and labial bone fenestration (LBF) groups during the orthodontic treatment and retention period (blue: pre-treatment; red: post-treatment; green: retention)Back to article page