A part of overall health includes oral health. Oral diseases are among the most common diseases in the world and have significant adverse consequences on both health and economy. Dental caries, periodontal disease, tooth loss, and oral malignancies are the oral disorders that have the highest impact on world health. Families and healthcare systems have a significant financial burden from the expense of treating oral diseases. The increased prevalence of oral diseases in many low- and middle-income nations is particularly concerning as oral diseases are a global public health issue. In order to help healthcare decision-makers, this article will outline the assessment of the economic impacts of dental diseases. In order to reduce oral diseases, behavioral changes connected to oral health are necessary and can be brought about by health economics and public policy working together. By focusing on specific instances of evidence gaps in oral health and care, health economics can be a useful tool to guide the design of policies linked to oral health.