Ordinary People’s And Professional Dentists’ Point Of View Regarding The Beauty Of A Smile In Birjand City,Iran . Journal of Pharmaceutical Negative Results, [S. l.], p. 7921–7927, 2022. DOI: 10.47750/pnr.2022.13.S07.962. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/10022.. Acesso em: 12 jun. 2026.