Table 1 Mean number of decayed, missing, and filled teeth and caries experience (dmft) by age group for Iran, 1990–2017, by sex

2.22 (0.27, 4.44)

1.99 (0.13, 4.2)

2.45 (0.41, 4.67)

1.98 (0.09, 4.38)

1.76 (0.01, 4.16)

2.19 (0.16, 4.59)

0.01 (0, 0.36)

0 (0, 0.32)

0.02 (0, 0.4)

0.23 (0.03, 0.61)

0.23 (0.03, 0.61)

0.23 (0.04, 0.61)

2.65 (0.52, 4.94)

2.45 (0.35, 4.74)

2.84 (0.67, 5.13)

2.36 (0.08, 5.37)

2.16 (0.01, 5.25)

2.54 (0.15, 5.49)

0 (0, 0.37)

0 (0, 0.34)

0.01 (0, 0.4)

0.29 (0.05, 0.77)

0.29 (0.05, 0.78)

0.29 (0.05, 0.76)

2.88 (0.71, 5.18)

2.74 (0.58, 5.04)

3.01 (0.84, 5.32)

2.56 (0.18, 5.36)

2.43 (0.1, 5.27)

2.7 (0.26, 5.45)

0 (0, 0.34)

0 (0, 0.32)

0 (0, 0.36)

0.31 (0.07, 0.76)

0.32 (0.07, 0.77)

0.31 (0.07, 0.75)

3.01 (0.92, 5.18)

2.91 (0.82, 5.08)

3.1 (1.01, 5.27)

2.7 (0.4, 5.11)

2.61 (0.32, 5.03)

2.79 (0.47, 5.19)

0 (0, 0.31)

0 (0, 0.3)

0 (0, 0.32)

0.3 (0.07, 0.69)

0.3 (0.07, 0.69)

0.3 (0.07, 0.68)

4.34 (2.17, 6.57)

4.13 (1.96, 6.34)

4.55 (2.37, 6.78)

3.64 (1.45, 5.85)

3.48 (1.27, 5.7)

3.8 (1.62, 5.99)

0.38 (0.03, 0.8)

0.33 (0, 0.76)

0.42 (0.05, 0.85)

0.32 (0.08, 0.67)

0.33 (0.07, 0.67)

0.32 (0.08, 0.67)

4.78 (2.55, 7.06)

4.62 (2.4, 6.9)

4.92 (2.7, 7.21)

4.05 (1.62, 6.47)

3.92 (1.48, 6.37)

4.16 (1.76, 6.57)

0.38 (0.02, 0.85)

0.34 (0, 0.82)

0.41 (0.03, 0.88)

0.35 (0.09, 0.74)

0.36 (0.09, 0.74)

0.35 (0.1, 0.73)

4.97 (2.78, 7.24)

4.89 (2.7, 7.15)

5.05 (2.85, 7.32)

4.22 (1.88, 6.55)

4.16 (1.81, 6.49)

4.29 (1.94, 6.61)

0.38 (0.02, 0.83)

0.36 (0, 0.81)

0.4 (0.03, 0.85)

0.37 (0.11, 0.74)

0.37 (0.1, 0.74)

0.36 (0.11, 0.73)

5.06 (2.99, 7.2)

5.04 (2.97, 7.17)

5.08 (3.01, 7.22)

4.34 (2.17, 6.48)

4.32 (2.15, 6.46)

4.36 (2.19, 6.49)

0.37 (0.02, 0.79)

0.36 (0, 0.78)

0.38 (0.03, 0.8)

0.35 (0.11, 0.7)

0.36 (0.11, 0.7)

0.35 (0.11, 0.69)

6.42 (4.15, 8.75)

6.23 (3.98, 8.54)

6.6 (4.32, 8.94)

5.2 (3.01, 7.33)

5.05 (2.87, 7.17)

5.33 (3.13, 7.48)

0.9 (0.48, 1.32)

0.86 (0.4, 1.27)

0.95 (0.52, 1.37)

0.32 (0.06, 0.67)

0.33 (0.06, 0.67)

0.32 (0.07, 0.66)

6.83 (4.41, 9.3)

6.73 (4.3, 9.18)

6.93 (4.51, 9.41)

5.55 (3.11, 7.92)

5.46 (3.01, 7.84)

5.63 (3.21, 7.98)

0.95 (0.48, 1.42)

0.93 (0.5, 1.4)

0.98 (0.51, 1.45)

0.33 (0.06, 0.71)

0.34 (0.06, 0.72)

0.32 (0.07, 0.7)

7.01 (4.5, 9.56)

7 (4.48, 9.56)

7.02 (4.52, 9.56)

5.71 (3.2, 8.14)

5.7 (3.16, 8.16)

5.72 (3.25, 8.12)

0.96 (0.47, 1.44)

0.95 (0.5, 1.43)

0.96 (0.49, 1.44)

0.34 (0.07, 0.73)

0.35 (0.07, 0.75)

0.33 (0.07, 0.72)

7.06 (4.57, 9.56)

7.12 (4.63, 9.65)

6.99 (4.51, 9.48)

5.79 (3.32, 8.18)

5.84 (3.31, 8.28)

5.75 (3.32, 8.09)

0.92 (0.45, 1.39)

0.93 (0.4, 1.4)

0.92 (0.45, 1.38)

0.34 (0.07, 0.73)

0.35 (0.08, 0.75)

0.33 (0.07, 0.71)

4.37 (2.23, 6.62)

4.15 (2.04, 6.39)

4.58 (2.41, 6.84)

3.64 (1.53, 5.88)

3.45 (1.39, 5.7)

3.81 (1.67, 6.05)

0.44 (0.17, 0.84)

0.4 (0.1, 0.79)

0.47 (0.19, 0.88)

0.3 (0.06, 0.65)

0.3 (0.05, 0.65)

0.29 (0.07, 0.65)

5.09 (2.81, 7.45)

4.95 (2.68, 7.31)

5.23 (2.94, 7.59)

4.25 (1.85, 6.79)

4.12 (1.75, 6.7)

4.36 (1.95, 6.88)

0.52 (0.2, 0.97)

0.5 (0.2, 0.94)

0.54 (0.22, 0.99)

0.33 (0.07, 0.73)

0.33 (0.07, 0.75)

0.32 (0.07, 0.72)

5.08 (2.78, 7.46)

5.01 (2.71, 7.39)

5.15 (2.85, 7.52)

4.26 (1.85, 6.77)

4.2 (1.79, 6.73)

4.33 (1.91, 6.8)

0.47 (0.18, 0.9)

0.46 (0.2, 0.89)

0.48 (0.18, 0.92)

0.34 (0.08, 0.74)

0.35 (0.08, 0.75)

0.34 (0.08, 0.73)

5.03 (2.82, 7.29)

5.01 (2.8, 7.28)

5.04 (2.83, 7.3)

4.27 (1.96, 6.57)

4.25 (1.93, 6.57)

4.28 (1.99, 6.57)

0.43 (0.15, 0.82)

0.42 (0.1, 0.82)

0.43 (0.15, 0.83)

0.33 (0.09, 0.7)

0.34 (0.09, 0.71)

0.33 (0.08, 0.69)