Oral health has a significant impact on the general health of individuals. It is necessary to determine the lifestyle behaviors that may adversely affect oral health and to give more importance to preventive dentistry. In this context, the relationship between physical activity and oral health, which is an important part of the lifestyle, is an issue that needs to be emphasized. In addition, since it is relationship to the general health of the athletes, oral health is of great importance, especially in the field of professional sports.In this book, it is aimed to reveal the effects of oral health on sports performance by examining the relationship between oral health and physical activity-sports. It has been tried to create awareness in all individuals, especially in athletes and dentists, by reducing possible disease risks by taking preventive measures against bad oral health.