The prevalence of anomalies of dentition among the child population is extremely high today. Reducing the increase in the prevalence of dento-alveolar anomalies can be achieved only on the basis of their prevention and treatment, since childhood. The study took into account the 8 key orthodontic indications on the formation or presence of dental and facial anomalies. It It was found that as they get older the prevalence of the studied parameters increased, among them, the highest prevalence was

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... of the speech formation violation and harmful habits that makes professionals to pay special attention to strengthening their work on prevention, with the obligatory participation of parents, teachers, speech therapists and pediatric dentists.