Artificial Dental Caries

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Abstract
Three extracted premolar teeth from 3 patients with varying degrees of caries experience were used to demonstrate 5 characteristics of true early clinical caries. These characteristics are: (1) normal surface contour and gloss exhibiting an opacity when dry; (2) pigmentation of the affected areas; (3) radiographic rarefaction extending through the enamel; (4) softening of the enamel; and (5) spreading of the process at the dentinoenamel junction. The artificial lesions were produced by incubating (for 6 months) the specimens in Brewer''s medium containing bacto-dextrose and saliva (mixed flora).

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