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At least 307 records · Page 17Linked to original sources
PubMed1986

[Precancerous lesions of the mouth mucosa in workers exposed to ionizing radiation].

Oral cavity tissues were examined in 398 persons aged 20 to 60 working with ionizing radiation sources (gamma-defectoscopists, x-ray technicians and radiologists). 222 persons worked with ionizing radiation for 1-10 yrs, 176 for 11-25 yrs. They were compared with 203 controls who had not been subjected to occupational irradiation. In all the cases radiation exposure doses did not exceed maximum permissible levels. Stomatological examination of the study group revealed a high prevalence of precancerous changes of the oral mucosa in men only. They were usually manifested in disturbance of keratinization of leukoplakia type. Tobacco smoking can play a certain role in the development of such changes of the oral mucosa in persons subjected to chronic radiation exposure. A further study of the stomatological status in persons of the above occupational group was found necessary.

Adult↗
PubMed1976

[Quantitative determination of immunoglobulins in the saliva. Comparative studies in squamous cell carcinomas of the mouth mucosa].

Immunological processes have been increasingly gaining in importance in the development and proliferation of tumours inhuman. Quantitative determinations of immunoglobulins IgG and IgA in the saliva of patients with squamous cell carcinoma of the oral mucosa showed a significant difference in IgG concentration as compared with patients affected with inflammatory intraoral diseases.

Adult↗
PubMed1983

[Dental caries, periodontal diseases and the condition of mouth mucosa in workers of the petrochemical industry].

259 workers of the divisions of the highest toxic substances risk in the working environment were examined. The masticatory system was examined clinically. The examinations indicated considerable caries in all workers. The intensity of the disease differed insignificantly between workers of particular divisions. Peridontal disorders were found in almost all workers (over 80% of subjects). The highest rate of those disorders was that in the workers of the Divisions of Furfural and Asphalt Oxidation. The periodontal disorders were fairly advanced. In most (over 60%) cases the destructive periodontal disease was diagnosed. Among the diseases of oral mucosa, leukoplakia was most frequent, affecting 42.8% of workers of Divisions of Furfural and 26.0% of workers of the Division Phenol.

Adult↗
PubMed1986

[Effect of contact neutron and gamma therapy on immunity of patients with cancer of the mouth mucosa].

Considerable deviations from the normal indices of T- and B-cell components of the immune system were found in patients with oral mucosa cancer. Some differences in immunity indices after 2 types of contact therapy was established. T-lymphocytes were radiosensitive in contact neutron 252Cf radiation, B-lymphocytes in gamma-beam radiation (60Co). The phagocytic component was characterized by relative radioresistance.

Adult↗