Cephalometric radiographic comparison of alveolar bone height changes between adolescent and adult patients treated with premolar extractions: a retrospective study - Janson, Daniel; Caldas, Waleska; Garib, Daniela Gamba; Janson, Marcos; Niederberger, Ana; Janson, Gabriela; Valerio, Marcelo Vinicius; Oyonarte, Rodrigo; Janson, Guilherme (International Orthodontics, 2021)