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New study suggests high vitamin D status reduces risk of enamel defect in children

Posted on: December 23, 2014   by  Vitamin D Council


A new study published in the Journal of Dental Research found that, in children, a 4 ng/ml increase in vitamin D levels decreased the odds of having molar-incisor hypomineralization by 11%.

Molar incisor hypomineralization (MIH) is a common condition that causes enamel to become yellow or brown in color and chalky in texture making affected teeth at a higher risk for decay. MIH can affect any of the four permanent front teeth and one to four permanent molars.

The causes of MIH are not fully understood, but scientists believe it results from some outside disturbance during enamel formation.

Researchers have found that vitamin D likely plays a role in dental health for children. Studies have found that high vitamin D status may prevent the development of dental caries and decay.

In a recent study, researchers analyzed the relationship between vitamin D status and dental health of 1,048 children from a ten year follow up of the Munich GINIplus and LISAplus birth cohorts.

MIH was present in 13.6% of the children with the average vitamin D status being 30.32 ng/ml.

After adjusting for confounding factors including sex, age, parental education, and income, the researchers found that a 4 ng/ml increase in vitamin D status reduced the odds of developing a MIH by 11%.

The researchers summarized their findings by stating, “It is concluded that elevated serum vitamin D concentrations were associated with better dental health parameters.”


Kühnisch J. et al. Elevated Serum 25(OH)-Vitamin D Levels Are Negatively Correlated with Molar-Incisor Hypomineralization. Journal of Dental Research, 2014.

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