Determination of sialic acid levels by using surface‐enhanced Raman spectroscopy in periodontitis and gingivitis

Objectives To compare the sialic acid (SA) levels in saliva among periodontitis‐affected, gingivitis and control patients. Methods The study involved 93 subjects. The participants were divided into three groups: (1) 30 subjects without periodontal disease (control group); (2) 30 subjects with gingiv...

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