Figure 1
From: Dental and prosthodontic status of an over 40 year-old population in Shandong Province, China

Mean number of decayed (D), missing (M), filled (F), and sound (S) teeth by age (n = 1525).
From: Dental and prosthodontic status of an over 40 year-old population in Shandong Province, China
Mean number of decayed (D), missing (M), filled (F), and sound (S) teeth by age (n = 1525).