S. M. R. Safavi, A. Dehghani Soltani, S. R. Motamedian, A. Akbarzadeh Baghban, and S. Ghaffari, “Effects of Unilateral Maxillary Premolar Extraction on Smile Aesthetics: A Retrospective Study”, Galen Med J, vol. 14, no. SP1, p. 4002, Dec. 2025.