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. 2015 Feb;94(2):381-7.
doi: 10.1177/0022034514561657. Epub 2014 Dec 10.

Elevated serum 25(OH)-vitamin D levels are negatively correlated with molar-incisor hypomineralization

J Kühnisch  1 , E Thiering  2 , J Kratzsch  3 , R Heinrich-Weltzien  4 , R Hickel  5 , J Heinrich  6 ; GINIplus study group; LISAplus study group
Collaborators, Affiliations

Elevated serum 25(OH)-vitamin D levels are negatively correlated with molar-incisor hypomineralization

J Kühnisch et al. J Dent Res. 2015 Feb.

Abstract

To date, the precise etiology of molar-incisor hypomineralization (MIH) is uncertain. Vitamin D plays a key role in hard tissue formation. Therefore, this study aimed to analyze the relationship between serum 25-hydroxy-vitamin D (25(OH)D) status and dental health data obtained from 1,048 children in a 10-year follow-up of the Munich GINIplus and LISAplus birth cohorts. The dental examination included the diagnosis of MIH and recording of (non-)cavitated caries lesions in primary and permanent teeth. Serum 25(OH)D concentrations were taken from blood samples of the 10-year investigation and measured with a fully automated, modular system. Different logistic regression and Poisson hurdle models were calculated. MIH was diagnosed in 13.6% of the study population. Approximately 16.4% of the children demonstrated caries-related defects (D3-4MFS > 0). The mean season-adjusted concentration of 25(OH)D was 75.8 nmol/l (standard deviation 22.0 nmol/l). After adjusting for sex, age, body mass index, parental education, equivalent income, and television/personal computer (TV/PC) viewing hours, a 10 nmol/l increase in serum 25(OH)D concentrations was significantly associated with a lower odds ratio of having MIH (OR = 0.89; P = 0.006). Furthermore, higher 25(OH)D values were associated with a lower number of caries-affected permanent teeth. It is concluded that elevated serum 25(OH)D concentrations were associated with better dental health parameters.

Keywords: birth cohort study; caries; dental enamel; developmental defect; epidemiology; prevention.

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Conflict of interest statement

The authors declare no potential conflicts of interest with respect to the authorship and publication of this article.

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