Fig. 3.

Concentration curves and Lorenz curve for dental expenditure, dental care and dental needs. a Concentration curves for dental need and care. DT and self-reported oral health were variable referred to evaluated and subjective dental need, respectively. Dental services utilization in the past year referred to the situation of dental care. b Concentration curves for different payment routes and Lorenz curve for household income in all participants. c Concentration curves for different payment routes and Lorenz curve for household income in those who used dental services in the past year