In this final paper, the development of the teeth from the development of the base of the teeth in the fetus through deciduous teeth to permanent teeth will be presented. Risk factors for the development of oral health disorders in children will be mentioned including nutrition during infancy, unacceptable eating habits, and the impact of non-treatment and non-implementation of measures to preserve the child's oral health. In addition, the most common malocclusion of teeth in children will be described, as well as their causes, consequences and prevention. Traumatic injuries of teeth in children are also a common problem in childhood, which will be discussed in the paper because of their impact on children's oral health. Many habits that children develop from an early age have negative consequences for oral health. The paper will describe these habits and explain their impact on oral health. In addition to habits, possible neurodevelopmental disorders that have some symptoms related to oral health will be presented. Given that oral health in early childhood is related to oral health in adulthood, it is very important to take care of oral health in children and implement treatment and prevention measures, which will also be discussed in the paper. Parents and kindergarten teachers have an important role in caring for the child's oral health, which will be reviewed in the paper. The aim of this paper is to show the importance of taking care of a child's oral health and it might impact oral health in adulthood.