Methods: In this cross-sectional study, by searching in Google engine, the websites providing information about fissure sealant were found. The key words were “patient education and fissure sealant”, checked by MeSH database. From 500 initial links, the inadequate ones were eliminated according to exclusion criteria, and 37 websites remained. These websites were evaluated through a checklist designed by the researchers, the validity and reliability of which had been evaluated and confirmed.
Results: The average score of the quality of information was 22.46. The minimum and maximum of obtained scores were 16 and 30, respectively. The total and ideal number was 38.
Conclusions: Overall the quality of information related to fissure sealant in general Internet sources was good, yet they did not cover the entire required information which could be improved. The main problem of information was that they did not provide creditable/credible and up-to-date sources.