Global Oral Health » Health, oral health and poverty

Poverty has been defined in many ways. The World Bank measures global poverty by quantifying countries' purchasing powers according to purchasing power parities (PPPs), which take into account differences in the relative prices of goods and services and provide an overall measure of the real value of output produced by an economy. The World Bank generally uses the conversion of the international poverty line, which is equivalent to U.S. $1 per day, into the national currency units of respective countries by using PPPs and determining the number of people who are below that threshold. 1


https://jada.ada.org/article/S0002-8177(14)63774-0/abstract