Periodontal Health and Use of Oral Health Services: A Comparison of Germans and Two Migrant Groups.

Int J Environ Res Public Health · 2019 · PMC6720619 · PMID 31434329

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a clear trendno p-value reported

Age is known as the strongest risk factor for periodontitis, and we also found a clear trend in our study.

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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.