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KMID : 1039620160060030172
Korean Journal of Family Practice
2016 Volume.6 No. 3 p.172 ~ p.178
Associations of Serum Vitamin D Level with Dental Caries in Korean Adults
Song E-Lang

Song Chan-Hee
La Sang-A
Ock Sun-Myeong
Joo Sang-Yeon
Abstract
Background: A few studies have revealed the associations between serum vitamin D level and dental caries in the general population. The present study was conducted to elucidate the association between serum vitamin D level and dental caries using the 6th Korean National Health and Nutrition Examination Survey (KNHANES).

Methods: This study included Korean adults aged 19 years and older who participated in the KNHANES (VI-1) and underwent dental check-ups for determination of serum vitamin D levels. The associations between the serum vitamin D levels and the number of men with a serum vitamin D level <20 ng/mL who have experienced dental caries was significantly higher than those with a vitamin D level >20 ng/mL.

Results: The serum vitamin D level was significantly lower in women than in men (P<0.001). Women had a higher prevalence of dental caries than men (P<0.001). The number of men with a serum vitamin D level <20 ng/mL who have experienced dental caries was significantly higher than those with a vitamin D level >20 ng/mL of serum vitamin D (¥â=0.224, P=0.041; ¥â=0.676, P=0.046, respectively). The number women with a serum vitamin D level <30 ng/mL who have experienced dental caries was significantly higher than those with a vitamin D level >30 ng/mL.

Conclusion: The results of the present study suggest that in Korean adults, serum vitamin D deficiency in men and insufficiency in women are significantly associated with dental caries. Further prospective studies are warranted to determine the causal relationship between serum vitamin D levels and dental caries.
KEYWORD
Vitamin D, Dental Caries, Korean National Health and Nutrition Examination Survey
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