Digital behavior surveillance: Monitoring dental caries and toothache interests of Google users from developing countries.

The levels of interests of South American Google users in seeking dental caries and toothache information appear to have a direct connection with the burden of untreated dental caries lesions and Internet penetration. The no association between dental caries- and toothache-related interests reinforces the unfamiliarity of most people about the relationship of dental pain with the final stages of chronic oral diseases.