[Effect of a zinc free diet in rats].
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Biomedical subjects
Publications and source records attributed to G Sortino.
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An increase in dental decay of 48.89% over controls fed with a cariogenic diet was noted when gastric mucoprotein and vitamin B12 were administered to rats receiving a standard diet.
According to the histological exams executed from January 1975 to June 1988, the authors assessed the frequency in the years, in the sex and in the decades and of the pathology surgery executed. For simplicity of graphic representation, the authors subdivided the pathologies in nine groups: phlogistic trial, cysts, epulis, leukoplakia and precancerous lesion, epithelial tumor, connectival tumor, vascular tumor and osseous tumor. With the voice "other" we consider some neoplasies which are not numerous and which are not differently classificable. According to the present statistics numerous operations are excluded like dysodontiasis, dental embedding, fractures, supernumerary teeth and so on. The authors ascertained on elevated frequency of cysts and of osteitis of maxillary bone caused by an inadequate and late treatment of the cavity. During the passing of the years the incidence of phlogistic trial is particularly reduced while the cysts presented a notable increase. Comparison of leukoplakia was exceptional while among the tumors predominate the epithelial tumors one. According to the presented information the Authors come to an end hoping a more preventive sensibility of people and dentistries.
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The results of a blind comparison of different types of toothpaste carried out for two months are reported. It was noted that the paste based on azulene, sodium chloride and benzalkonium chloride produces a more marked regression in the gingival index, whereas that based on chlorhexidine produces a more marked reduction in the plaque index. The differences were not statistically significant, however. With an equal quantity of tooth-paste, it was shown that two initial sessions of ultrasonic detartrasis produce a statistically significant benefit as regards gingival index regression, but an only apparent one for the plaque index. Detartrasis alone, not followed by regular oral hygiene practice, leads to momentary benefits but, as the weeks go by, the difference between the indices of those submitted to detartrasis alone and those who also adopt recommended toothpastes regularly becomes increasingly significant.