The therapeutic position of lower incisors in the sagittal plane remains a controversial subject in orthodontics [1]. In contrast, the position of the lower incisors in the coronal plane, as represented by their correct angulation or mesio-distal tip, has scarcely been investigated [2,3,4]. An...
choice between these patterns depended on the case’s complexity and anchorage demands, influencing the programmed stadification. In a low anchorage pattern, Invisalign (Align Technology, San Jose, CA, USA) software allowed a maximum linear speed of 0.25 mm and a rotation of 3° per aligner ...