Dental caries experience and related risk indicators of 12-year-old students in Jilin, China.

Medicine (Baltimore) · 2020 · PMC7360249 · PMID 32664102

Europe PMC DOI

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a favorable trendno p-value reported

From the 1st Chinese National Oral Survey in 1983 to the 3rd Chinese National Oral Survey in 2005, the DMFT of China's 12-year-old students showed a favorable trend, decreased from 1.03 to 0.5.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.