Main Article Content
The initial manifestation of chronic radiation sickness is changes in the nervous system, which have the character of a neurosis with autonomic disorders. Later, in a different sequence, these changes are accompanied by disorders of neurogenic regulation, cardiovascular system, as well as changes in the hematopoietic system and the development of hemorrhagic syndrome. In addition, there are dysfunctions of the gastrointestinal tract, liver, metabolism and the endocrine system. In the oral cavity, the chronic form of radiation sickness manifests itself in the third degree and is characterized by persistent gingivitis, bleeding gums and ecchymosis.