Oral neoplasms are very diverse, which is associated with their formation from various tissue structures.They have a peculiar course, due to the proximity of vital organs, the presence of teeth, and often cause functional and cosmetic disorders, and can also lead to death (malignant tumors).There are three principles in the basis of genetic counseling: anatomical localization, histological type and division into benign and malignant neoplasms.According to genetic counseling, the concept of a precancerous condition is based on the association of previous benign lesions with developing carcinoma.All neoplasms are subdivided into true tumors, tumor-like lesions and cysts.Precancerous conditions are also reflected in the medical literature covering neoplasms of the skin, oral mucosa and oropharynx.