Oral cancers are the commonest among all head and neck squamous cell cancers (HNSCC). Cancers of the oral cavity in the developing world differ from those in the Western world in terms of age, subsites of disease, etiology, and molecular biology. Poverty, illiteracy, advanced stage at presentation, lack of access to healthcare, and poor treatment infrastructure are also major challenges. The annual GDP (gross domestic product) spent on healthcare is very low in the low-resource countries compared to high-income countries .
Economics of preventing, screening and treating oral cancers