Purpose: To assess the association between low prenatal or childhood levels of 25-hydroxyvitamin D (25(OH) D) and dental caries experience in children. Materials and methods: PubMed, B-On, Web of Science, Scopus, and Cochrane Library databases were searched. The inclusion criteria were randomised controlled trials, cohort and cross-sectional studies published between 1998 and 2019; caries outcomes expressed as ...