Flores-Mir, C., Silva, E., Barriga, M. I., Lagravere, M. O. & Major, P. W. Lay person’s perception of smile aesthetics in dental and facial views. J. Orthod. 31, 204–209 (2004).
Kumar, S., Gandhi, S. & Valiathan, A. Perception of smile esthetics among Indian dental professionals and laypersons. Indian J. Dent. Res. 23, 295 (2012).
Richards, M. R. et al. Contribution of malocclusion and female facial attractiveness to smile esthetics evaluated by eye tracking. Am. J. Orthod. Dentofac. Orthopedics 147, 472–482 (2015).
Prasad, K. et al. Comparison of the influence of dental and facial aesthetics in determining overall attractiveness. Int. Orthod. 16, 684–697 (2018).
Akarslan, Z. Z., Sadik, B., Erten, H. & Karabulut, E. Dental esthetic satisfaction, received and desired dental treatments for improvement of esthetics. Indian J. Dent. Res. 20, 195–200 (2009).
Chan, M., Mehta, S. & Banerji, S. An evaluation of the influence of teeth and the labial soft tissues on the perceived aesthetics of a smile. Br. Dent. J. 223, 272–278 (2017).
Morley, J. & Eubank, J. Macroesthetic elements of smile design. J. Am. Dent. Assoc. 132, 39–45 (2001).
Samsonyanová, L. & Broukal, Z. A systematic review of individual motivational factors in orthodontic treatment: facial attractiveness as the main motivational factor in orthodontic treatment. Int. J. Dent. 2014, 1–7 (2014).
Daniels, A. S., Seacat, J. D. & Inglehart, M. R. Orthodontic treatment motivation and cooperation: a cross-sectional analysis of adolescent patients’ and parents’ responses. Am. J. Orthod. Dentofac. Orthopedics 136, 780–787 (2009).
Cons, N. C., Jenny, J., Kohout, F. J., Songpaisan, Y. & Jotikastira, D. Utility of the Dental Aesthetic Index in industrialized and developing countries. J. Public Health Dent. 49, 163–166 (1989).
Brook, P. H. & Shaw, W. C. The development of an index of orthodontic treatment priority. Eur. J. Orthod. 11, 309–320 (1989).
Bellot-Arcís, C., Montiel-Company, J. M., Almerich-Silla, J. M., Paredes-Gallardo, V. & Gandía-Franco, J. L. The use of occlusal indices in high-impact literature. Community Dent. Health 29, 45–48 (2012).
Cardoso, C. F. et al. The dental aesthetic index and dental health component of the index of orthodontic treatment need as tools in epidemiological studies. Int. J. Environ. Res. Public Health 8, 3277–3286 (2011).
Fox, N. A., Daniels, C. & Gilgrass, T. A comparison of the index of complexity outcome and need (ICON) with the peer assessment rating (PAR) and the index of orthodontic treatment need (IOTN). Br. Dent. J. 193, 225–230 (2002).
Siddiqui, T. A., Shaikh, A. & Mubassar, F. Agreement between orthodontist and patient perception using Index of Orthodontic Treatment Need. Saudi Dent. J. 26, 156–165 (2014).
Abu Alhaija, E. S. J., Al-Shamsi, N. O. & Al-Khateeb, S. Perceptions of Jordanian laypersons and dental professionals to altered smile aesthetics. Eur. J. Orthod. 33, 450–456 (2010).
Bell, R., Kiyak, H. A., Joondeph, D. R., McNeill, R. W. & Wallen, T. R. Perceptions of facial profile and their influence on the decision to undergo orthognathic surgery. Am. J. Orthod. 88, 323–332 (1985).
Pogrel, M. A. What are normal esthetic values? J. Oral. Maxillofac. Surg. 49, 963–969 (1991).
Prahl-Andersen, B., Boersma, H., Van der Liden, F. P. & Moore, A. W. Perceptions of dentofacial morphology by laypersons, general dentists, and orthodontists. J. Am. Dent. Assoc. 98, 209–212 (1979).
Cotrim, E., Vasconcelos Júnior, Á., Haddad, A. & Reis, S. Perception of adults’ smile esthetics among orthodontists, clinicians and laypeople. Dent. Press J. Orthod. 20, 40–44 (2015).
Jardim da Motta, A. F., Mucha, J. N., Gomes & de Souza, M. M. Influence of certain tooth characteristics on the esthetic evaluation of a smile. Dent. Press J. Orthod. 17, 1–7 (2012).
Zawawi, K. H., Malki, G. A., Al-Zahrani, M. S. & Alkhiary, Y. M. Effect of lip position and gingival display on smile and esthetics as perceived by college students with different educational backgrounds. Clin., Cosmet. Investig. Dent. 31, 77–80 (2013).
Espana, P., Tarazona, B. & Paredes, V. Smile esthetics from odontology students’ perspectives. Angle Orthod. 84, 214–24. (2014).
Geevarghese, A. et al. Perception of general dentists and laypersons towards altered smile aesthetics. J. Orthodontic Sci. 8, 14 (2019).
Parrini, S. et al. Laypeople’s perceptions of frontal smile esthetics: a systematic review. Am. J. Orthod. Dentofac. Orthopedics 150, 740–750 (2016).
Kokich, V. O., Kokich, V. G. & Kiyak, H. A. Perceptions of dental professionals and laypersons to altered dental esthetics: Asymmetric and symmetric situations. Am. J. Orthod. Dentofac. Orthopedics 130, 141–151 (2006).
Montero, J. et al. The role of personality traits in self-rated oral health and preferences for different types of flawed smiles. J. Oral. Rehabilit. 43, 39–50 (2015).