The "electric" toothbrush of one hundred years ago.
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An investigation was carried out in hypercaries-producing children, who had have previously curative treatment. Twenty three children were treated with semestral applications of fluorine-chlorhexidine varnish and daily brushing for 15 days every three months, with dental creme with chlorhexidine, while 21 children were selected as control group. Four analysis of Str. mutants in saliva (Matsukubo technique) were performed to each child in both groups, during a year. It was found that children treated reduced, remarkably, the degree of infection by Str. mutans, while degree of infection did not suffer modification in those children of the control group. The final examination performed after one year showed that 15 children of the control group resulted affected by caries (71.4%) with an incidence of 27 caries (1.29 index), while in the group under treatment only a child resulted affected with a caries. Reduction found in the incidence of caries was 96.9%. Problematic of hypercaries-producing child is analyzed and it is concluded that it is necessary to control and record him, and that investment in a strict treatment, such as that successfully assayed by us, should be rentable, since it should reduce amount of extractions of teeth and to contribute in that way to a real promotion of oral health with the infantile population.
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