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Estimated reductions in mean decayed, missing and filled teeth (DMFT) index values between 1980 and 2005
| Period | Estimated DMFT value | |||
|---|---|---|---|---|
| Start of period | End of period | Reduction | Reduction, % | |
| 1980–1985 | 8.36 | 6.08 | 2.28 | 27.3 |
| 1985–1990 | 6.08 | 4.45 | 1.63 | 26.8 |
| 1990–1995 | 4.45 | 3.29 | 1.16 | 26.1 |
| 1995–2000 | 3.29 | 2.46 | 0.83 | 25.2 |
| 2000–2005 | 2.46 | 1.86 | 0.60 | 24.4 |
