Biomedical subjects
Publications and source records attributed to J A Chuchurru.
The prevalence of oral lichen planus was studied in 729 persons with diabetes and was found to be in 0.55% of cases. This result was compared with the results obtained from a group of controls without diabetes and from a sample of the general population of similar age and sex distribution. No statistical differences were observed.
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Myxoma of the jaws is a fairly frequent bone tumor classified as a benign odontogenic neoplasm. The radiographic picture varies according to its evolution and, it many cases, diagnosis is not easy. A new case with an unusual radiographic appearance is reported. On occlusal radiographic examination the tumor showed multiple spicules of bone with a classic "sun-ray" effect. Only two similar cases were found in the literature. Oral and maxillofacial surgeons should be aware of this unusual presentation so that a misdiagnosis of malignant bone tumor is not made.
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The prevalence of the oral lichen planus and its distribution by sex, age and clinical forms was studied in population's samples and series of cases. The prevalence rates observed ranged from 0.129 to 0.38% with the highest values (0.66%) in the oldests groups of age. In the series of cases no significant differences were observed in sex distributions with increased values of prevalence, in both sexes, over 40 years of age and the highest values in the fifth decade of life. Atypical clinical forms, specially erosive forms, predominated in the series of cases but not in the population samples. Their true occurrence must be establish by epidemiological works on wider samples of people.
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