comparison of the salivary immu-noglobulin concentration levels between children with early childhood caries and caries-free children

background: early childhood caries (ecc) is one of the most common chronic child-hood diseases. in spite of the global decrease in dental caries in the past decades, ecc has become a significant problem in many developing countries and also in a few indus-trialized nations. saliva as a host factor can play an important role in the process of den-tal caries. objective: the aim of this study was to compare siga and igg as saliva components between ecc and caries-free groups. methods: in this cross-sectional study, samples of unstimulated saliva of 90 children (45 in ecc group & 45 in caries-free group) were taken with scully method. then the concentration levels of siga and igg were measured with enzyme linked immunosorbent assay and single radial im-munodiffusion methods. results: mean concentration levels of salivary siga and igg were significantly higher among children with ecc (p