Perceived oral health and its association with symptoms of psychological distress, oral status and socio-demographic characteristics among elderly in Norway.

BMC Oral Health · 2018 · PMC5984338 · PMID 29855283

Europe PMC DOI

hedged sentence

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highly significantno p-value reported

Smoking and, especially, having fewer than 20 teeth were also highly significant predictors of poor oral health.

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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.