Fig. 7

The association between ASIR (A), ASPR (B), ASLR (C) and SDI in oral disorders in China and globally from 1990 to 2021, and the ASIR (D), ASPR (E), ASLR (F) of oral disorders in 204 countries and regions in 2021 by sociodemographic index. The black line is the adaptive association fitted based on all data points using adaptive Loess regression. Roh is the regression coefficient, and p-value is for significance analysis. The red five-pointed star marks the location of China. YLDs: years lived with disability.