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Since this article does not have an abstract, we have provided the first 94 words of the full text and any section headings.
Current treatment of early dental lesions is less than idealbecause a disproportionate amount of healthy tooth must be excavatedto allow fillings to stick. Japanese researchers have developeda possible tooth-sparing alternative: a dental paste of synthetictooth (Ha et al. Nature. 2005;433:819).
The paste contains modified hydroxyapatite, a material thatis similar to natural tooth enamel. The researchers said thatthe paste rapidly and seamlessly repairs early caries lesionswith minimal loss of the natural tooth and can also help preventfuture lesions by strengthening the natural enamel.
