The detection and evaluation of orthodontic anomalies in the dentist's or paediatric dentist's practice is essential for the initiation of early orthodontic therapy. Orthodontic anomalies in the prominent part of the dentition represent a significant aesthetic handicap. In addition to the aesthetic aspect, there is also a functional and hygienic aspect, where increased decay occurs in areas inaccessible to cleaning. In this article, we present orthodontic defects of the dentition in childhood that should be managed in the early stages of the development of the permanent dentition.