1. Profit WR, Fields HW, Moray LJ (1998) Prevalence of malocclusion and orthodontic treatment need in the United States: Estimates from the NHANES III survey. Int J Adult Orthodon Orthognath Surg 13(2): 97-106.
2. Woon KC, Thong YL, Abdul Kadir R (1989) Permanent dentition occlusion in Chinese, Indian and Malay groups in Malaysia. Aust Orthod J 11(1): 45-48.
3. Thilander B, Pena L, Infante C, Parada SS, de Mayorga C (2001) Prevalence of malocclusion and orthodontic treatment need in children and adolescents in Bogota, Colombia. An epidemiological study related to different stages of dental development. European Journal of Orthodontics 23(6): 153-167.
4. Role of pharyngeal length in patients with a lack of overbite;Pae;American Journal of Orthodontics and Dentofacial Orthopedics 112(2),1997
5. Ngan P, Fields HW (1997) Open bite: a review of etiology and management. Pediatric Dentistry 19(2): 91-98.