Fig. 1From: Prevalence of malocclusion and assessment of orthodontic treatment needs among Syrian refugee children and adolescents: a cross-sectional studySociodemographic characteristics and oral habits of the study sample (N = 606). (Age groups: A1 (early mixed dentition): 7–9.9 years., A2 (late mixed dentition): 10–12.9 years., A3 (early permanent dentition): 13–15.9 years., and A4 (permanent dentition): 16–19 years)Back to article page