Safavi, Seyed Moahammad Reza, Anahita Dehghani Soltani, Saeed Reza Motamedian, Alireza Akbarzadeh Baghban, and Samin Ghaffari. “Effects of Unilateral Maxillary Premolar Extraction on Smile Aesthetics: A Retrospective Study”. Galen Medical Journal 14, no. SP1 (December 15, 2025): 4002. Accessed December 31, 2025. https://journals.salviapub.com/index.php/gmj/article/view/4002.