Cariology deals with the study of dental caries and cariogenesis. It is concerned with dental anatomy, cariology, operative and aesthetic dentistry. It was caused by various species of oral bacteria.The diagnosis includes detection of cariogenic bacteria. It can be prevented by preventing bacteria from the surface of the tooth and topical antimicrobial agents. It can be treated by Replacement therapy. The top open access journals are peer reviewed scholarly journals of dentistry. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.