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Resumen:
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Se estudian 70 casos de caries interproximales de esmalte de molares y premolares, diagnosticadas mediante técnica radiográfica estandarizada, intencionalmente similar a la técnica clínica habitual. En todos los casos se realiza un estudio colorimétrico mediante la impregnación de la cavidad con fucsina básica al 0,5% en propilen glicol en el momento de la apertura cavitaria. Todos los casos son estudiados por, al menos, dos de los autores. Los resultados indican que en el 48,57% de los casos la lesión se limitaba histológicamente al esmalte, mientras que en el 51,43% de los casos ya existía afectación dentinaria, la cual es teóricamente irreversibla. Los resultados se analizan desde el punto de vista clínico.//
70 cases of approximal molar and premolar caries were studied. All of them were diagnosed from standardized bitewing radiographs, following a technique intentionally similar to the habitual clinical one. A parallell colorimetric study was carried out in all cases, with impregnation of the cavity with a solution of 1% acid red in propylene glycol, at preparation. All cases were studied by, at least, two authors. Results show that in 48,57% of the cases the lesion is histologycally limited to enamel, while in 51,43% of the cases there was allready a dentinal involvement, which is theoretically irreversible. The results were analyzed also from a clinical point of view.
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