Background: Relation between secretory immunoglobulin A (SigA) and dental caries still imprecise. Studies have been conducted either for total SIgA or mutans specific SIgA with bizarre results. Aim: The aim of this study is to find out the relationship between mutans antigen specific SIgA and total salivary SIgA and its influence in caries status in children. https://atlanticknifers.shop/product-category/knife-parts/