Increasing Antioxidant Intake May Help Preserve Gum Health and prevent periodontitis: Study
Elevated dietary antioxidant intake is associated with a diminished prevalence of periodontitis suggests a new study published in the BMC Oral Health.
The antioxidant system of periodontal tissue is unbalanced in periodontitis, and appropriate supplementation of antioxidants can effectively prevent or alleviate periodontal tissue damage. However, a dearth of research exists on the association between dietary antioxidant intake and the prevalence of periodontitis.
Six dietary antioxidants (vitamins A, C, and E, zinc, selenium, and carotenoids) were extracted from two 24-h recall interviews utilizing data from the National Health and Nutrition Examination Survey (NHANES) conducted between 2009 and 2014.
The composite dietary antioxidant index (CDAI) made calculations using data on the intake of these six dietary antioxidants. Periodontitis severity was categorized into mild, moderate, and severe classifications based on established consensus criteria. Additionally, a restricted cubic spline (RCS) regression model was applied to evaluate the potential non-linear dose–response relationship between CDAI and periodontitis prevalence. Results: A total of 9,378 adults were included in this analysis, of which 4,755 had periodontitis. Individuals within the highest CDAI quartile demonstrated a diminished prevalence of total periodontitis compared to those in the lowest quartile (OR = 0.70 [0.53–0.93], Ptrend = 0.012). When moderate/severe periodontitis served as the outcome variable, those within the fourth CDAI quartile exhibited a 32% reduced prevalence compared to those in the first quartile (OR = 0.68 [0.52–0.88], Ptrend = 0.006).
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