9Zammit MP, Hans MG, Broadbent BH,et al. Malocclusion in Labrador Inuit Youth. A psychosocial dental and cephalometric evaluation. Arctic Med Res, 1995,54(1):32.
10Egolf RJ, Be- Gole FA, Upshaw HS. Factors associated with orthodentic patient compliance with intraoral elastic and headgear wear. Am J Orthod Dentofacial Orthop, 1990,336.