1. Assessment of lower lip changes following incisor displacement in 92 orthodontically-treated adults;Mirabella;Int Orthod,2012
2. Changes in facial profile during orthodontic treatment with extraction of four first premolars;Jamilian;Orthod Waves,2008
3. Changes in soft tissue profile after orthodontic treatment with and without extractions;Kocadereli;Am J Orthod Dentofacial Orthop,2002
4. Vertical lip changes from maxillary incisor retraction;Jacobs;Am J Orthod,1978
5. Upper lip changes correlated to maxillary incisor retraction—a metallic implant study;Ramos;Angle Orthod,2005