REFERENCES
1. Shaw WC, O'Brien KD, Richmond S. Quality control in orthodontics: factors influencing the receipt of orthodontic treatment. Br Dent J 1991;170:66-8.
2. Burden DJ. The influence of social class, gender, and peers on the uptake of orthodontic treatment. Eur J Orthod 1995;17:199-203.
3. Perillo L, Esposito M, Caprioglio A, Attanasio S, Santini AC, Carotenuto M. Orthodontic treatment need for adolescents in the Campania region: the malocclusion impact on self-concept. Patient Prefer Adherence 2014;8:353-9.
4. de Paula Júnior DF, Santos NC, da Silva ET, Nunes MF, Leles CR. Psychosocial impact of dental esthetics on quality of life in adolescents. Angle Orthod 2009;79:1188-93.
5. Burden DJ, Pine CM. Self-perception of malocclusion among adolescents. Community Dent Health 1995;12:89-92.
6. Abdullah MS, Rock WP. Assessment of orthodontic treatment need in 5,112 Malaysian children using the IOTN and DAI indices. Community Dent Health 2001;18:242-8.
7. Abdullah MS, Rock WP. Perception of dental appearance using Index of Treatment Need (Aesthetic Component) assessments. Community Dent Health 2002;19:161-5.
8. Abu Alhaija ES, Al-Nimri KS, Al-Khateeb SN. Orthodontic treatment need and demand in 12-14-year-old north Jordanian school children. Eur J Orthod 2004;26:261-3.
9. Mandall NA, McCord JF, Blinkhorn AS, Worthington HV, O'Brien KD. Perceived aesthetic impact of malocclusion and oral self-perceptions in 14-15-year-old Asian and Caucasian children in greater Manchester. Eur J Orthod 2000;22:175-83.
10. Marques LS, Pordeus IA, Ramos-Jorge ML, Filogônio CA, Filogônio CB, Pereira LJ, Paiva SM. Factors associated with the desire for orthodontic treatment among Brazilian adolescents and their parents. BMC Oral Health 2009;9:34.
11. Farrow AL, Zarrinnia K, Azizi K. Bimaxillary protrusion in black Americans - an esthetic evaluation and the treatment considerations. Am J Orthod Dentofacial Orthop 1993;104:240-50.
12. Polk MS Jr, Farman AG, Yancey JA, Gholston LR, Johnson BE, Regennitter FJ. Soft tissue profile: a survey of African-American preference. Am J Orthod Dentofacial Orthop 1995;108:90-101.
13. Mantzikos T. Esthetic soft tissue profile preferences among the Japanese population. Am J Orthod Dentofacial Orthop 1998;114:1-7.
14. Claudino D, Traebert J. Malocclusion, dental aesthetic self-perception and quality of life in a 18 to 21 year-old population: a cross section study. BMC Oral Health 2013;13:3.
15. Badran SA. The effect of malocclusion and self-perceived aesthetics on the self-esteem of a sample of Jordanian adolescents. Eur J Orthod 2010;32:638-44.
17. Hamamci N, Basaran G, Uysal E. Dental Aesthetic Index scores and perception of personal dental appearance among Turkish university students. Eur J Orthod 2009;31:168-73.
18. Bernabé E, Flores-Mir C. Normative and self-perceived orthodontic treatment need of a Peruvian university population. Head Face Med 2006;2:22.
19. Espeland LV, Stenvik A. Perception of personal dental appearance in young adults: relationship between occlusion, awareness, and satisfaction. Am J Orthod Dentofacial Orthop 1991;100:234-41.
20. Espeland LV, Stenvik A, Medin L. Concern for dental appearance among young adults in a region with non-specialist orthodontic treatment. Eur J Orthod 1993;15:17-25.
21. Pietilä T, Pietilä I. Dental appearance and orthodontic services assessed by 15-16-year-old adolescents in eastern Finland. Community Dent Health 1996;13:139-44.
22. Mugonzibwa EA, Kuijpers-Jagtman AM, van't Hof MA, Kikwilu EN. Comparison between the opinions of Tanzanian parents and their children on dental attractiveness. Angle Orthod 2004;74:63-70.
23. Albino JE, Lawrence SD, Tedesco LA. Psychological and social effects of orthodontic treatment. J Behav Med 1994;17:81-98.
24. Abdullah MS, Rock WP. Perception of dental appearance using Index of Treatment Need (Aesthetic Component) assessments. Community Dent Health 2002;19:161-5.
25. Tsakos G. Combining normative and psychosocial perceptions for assessing orthodontic treatment needs. J Dent Educ 2008;72:876-85.
26. Brook PH, Shaw WC. The development of an index of orthodontic treatment priority. Eur J Orthod 1989;11:309-20.
27. Onyeaso CO, Arowojolu MO. Perceived, desired, and normatively determined orthodontic treatment needs among orthodontically untreated Nigerian adolescents. West Afr J Med 2003;22:5-9.
28. Oshagh M, Salehi P, Pakshir H, Bazyar L, Rakhshan V. Associations between normative and self-perceived orthodontic treatment needs in young-adult dental patients. Korean J Orthod 2011;41:440-6.
29. Aikins EA, Dacosta OO, Onyeaso CO, Isiekwe MC. Orthodontic treatment need and complexity among Nigerian adolescents in Rivers State, Nigeria. Int J Dent 2011;2011:813525.
