ArticleOral health & preventive dentistry2025
Association between Dietary Live Microbe Intake and Periodontitis in Adults: Evidence from NHANES.
Article in Oral health & preventive dentistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
purposeTo investigate the relationship between the consumption of live microbes in the diet and adult periodontitis. MATERIALS AND
methodsUtilising data from the National Health and Nutrition Examination Survey (NHANES) spanning 1999-2004 and 2009-2014, 16,600 adults who underwent 24-h face-to-face dietary recall and oral health examinations were identified. Dietary live microbe intake was categorised into low, medium, and high levels. To examine the relationship between different levels of dietary live microbe intake and periodontitis, we employed logistic regression, subgroup and restricted cubic spline models.
resultsUpon comprehensive covariate adjustment, low dietary live microbe intake (104 CFU/g) demonstrated a positive association with periodontitis prevalence, while medium intake (104 to 107 CFU/g) showed a negative association. Conversely, no significant associations were observed between high dietary live microbe intake (>107 CFU/g) and periodontitis. Restricted cubic spline analysis confirmed a linear association between low dietary live microbe intake. Moreover, a U-shaped dose-response relationship was identified between medium dietary live microbe intake and periodontitis prevalence.
conclusionsModerate intake of medium live microbe food may be more conducive to avoiding the occurrence of periodontitis.
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