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  • Title: Low serum level of 1,25(OH)2 D is associated with chronic periodontitis.
    Author: Antonoglou GN, Knuuttila M, Niemelä O, Raunio T, Karttunen R, Vainio O, Hedberg P, Ylöstalo P, Tervonen T.
    Journal: J Periodontal Res; 2015 Apr; 50(2):274-80. PubMed ID: 25039942.
    Abstract:
    BACKGROUND AND OBJECTIVES: Vitamin D has been studied primarily for its involvement in calcium and phosphate absorption and bone metabolism. The active form of vitamin D-1,25(OH)2 D-has also been investigated for its immune modulatory properties. We explored associations between serum levels of 25(OH)D and 1,25(OH)2 D and periodontal health. SUBJECTS AND METHODS: This case-control study included 55 subjects with chronic periodontitis (cases) and 30 periodontally healthy subjects (controls). Their serum levels of 25(OH)D, 1,25(OH)2 D, ultrasensitive C-reactive protein and high-density lipoprotein cholesterol were determined. Associations between vitamin D and periodontal health status were studied using logistic regression analysis. RESULTS: A statistically significant association was found between serum 1,25(OH)2 D level and periodontal health status; in that subjects with a low 1,25(OH)2 D were more likely to belong to the periodontitis group (OR = 0.97, 95% CI = 0.95-1.00). There was practically no association between 25(OH)D level and periodontal health status. CONCLUSION: In this case-control study low serum 1,25(OH)2 D level appeared to be associated with periodontitis, which was in line with the previously reported associations between serum 1,25(OH)2 D levels and other inflammatory diseases. Whether this association is causal in nature, remains to be confirmed in future studies.
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