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- Title
Associations between vitamin D levels and periodontal attachment loss.
- Authors
Liu, Xiaoyun; Dai, Bichong; Chuai, Yuanyuan; Hu, Menglin; Zhang, Hengguo
- Abstract
Objectives : Periodontitis is accompanied by attachment loss and alveolar bone resorption. Vitamin D (VD) deficiency was closely associated with bone loss or osteoporosis. The study aims to investigate the potential relationship between different VD levels and severe periodontal attachment loss in American adults. Methods: A cross-sectional analysis was conducted including 5749 participants in the National Health and Nutrition Examination Survey (NHANES) from 2009 to 2014. The association of periodontal attachment loss progression with total VD, vitamin D3 (VD3), and vitamin D2 (VD2) levels was assessed using multivariable linear regression models, hierarchical regression, fitted smoothing curves, and generalized additive models. Results: Based on the indicators of 5749 subjects, we found that severe attachment loss tended to occur in the elderly or males and was accompanied by less total VD levels, or VD3 levels, as well as a lower poverty-income ratio (PIR). Total VD (below the inflection point: 111 nmol/L) or VD3 were negatively associated with the progression of attachment loss in each multivariable regression model. In threshold analysis, VD3 is linearly correlated with the progression of attachment loss (β = − 0.0183, 95% CI: − 0.0230 to − 0.0136). The relationship between VD2 and attachment loss progression was an S-shaped curve (inflection point: 5.07 nmol/L). Conclusion: Increasing total VD (below 111 nmol/L) and VD3 levels may be beneficial to periodontal health. VD2 levels above 5.07 nmol/L were a risk factor for severe periodontitis. Clinical relevance: The present study reports that different vitamin D levels may serve as different associations with periodontal attachment loss progression.
- Subjects
VITAMIN D; HEALTH &; Nutrition Examination Survey; CHOLECALCIFEROL; BONE resorption; ERGOCALCIFEROL
- Publication
Clinical Oral Investigations, 2023, Vol 27, Issue 8, p4727
- ISSN
1432-6981
- Publication type
Article
- DOI
10.1007/s00784-023-05100-4