A comprehensive book revolving around the crux of pediatric preventive dentistry which includes Pit & Fissure Sealants and Fluoride Varnish. Preventive measures are an important aspect of not only the child's oral health, but also the overall health and mark the basis on which the future well-being of an individual's dentition lies. They help in reducing the overall economic burden caused by dental caries. This dissertation documents the available literature and explains the recent advancements of sealants and varnishes.