Indagation of serum and salivary reactive oxygen metabolite and cortisol levels in chronic periodontitis and stress-induced chronic periodontitis patients.

J Indian Soc Periodontol · 2017 · PMC5827503 · PMID 29491582

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highly significantno p-value reported

Results: Comparison of the mean ROM levels in Group I and Group II showed that mean ROM level in Group II is highly significant than Group I.

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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.