The publication includes the main program theoretical sections of radiation medicine and ecology necessary for carrying out preventive measures that reduce the negative effects of environmental factors on the population. [DT ) Covers the entire volume of theoretical and practical material on radiation medicine and ecology, provided by the curriculum and program for students of the dental faculty, and contains all the main sections, up to questions for self-control of mastering the topic of each lesson. The first edition was published in 2003.. Intended for students of the Faculty of Dentistry .