Sports, especially contact sports, are one of the main causes of trauma. Taekwondo training includes series of kicks with legs, hands and closed fists, so the children and adolescents who participate in this contact sport are at a higher risk of injury. Research conducted on athletes shows that the incidence of trauma among athletes is high. This applies to taekwondo as a contact sport, but the incidence of trauma among soccer players as non-contact sports is also high. Although there are recommendations for the use of mouthguards during training, very few athletes use them. With such behavior, they have a significant risk of injury. Mouthguards are used mainly in competitions, and the prevalence of trauma in taekwondo competitions is worrying. The reason for this is that despite the knowledge and benefits that comes with using an individual mouthguard, athletes state that for their personal needs they use semi-individual and commercial mouthguards that do not provide adequate protection. Despite the dissatisfaction with the qualities of semi-individual and commercial mouthguards related to comfort, stability, interference with breathing, speech and the urge to vomit, due to the low price and almost immediate possibility of use, they are still the most common among athletes. The second part of the research included taekwondo and football coaches. The trainer's knowledge about the meaning of trauma, prevention and emergency procedures was examined before and after the educational lecture and the distribution of educational leaflets. The most important results show that the trainers' knowledge of the possibilities of providing first aid in the event of dental trauma is low. Trainers' awareness of the possibilities of dental trauma prevention is not satisfactory. After the educational lecture on dental trauma, the knowledge about dental injuries was significantly improved. Coaches play an important role in the prevention of dental injuries by encouraging athletes to use mouthguards during training and competition. Educational lectures and leaflets can significantly raise the level of knowledge and awareness of prevention and emergency procedures in dental trauma. Trainers are also the first people who have the opportunity to help an injured athlete, so their education on preventive methods and algorithms for providing first aid for dental trauma is essential.