Table 1.
National estimates for DMFT (decayed, missing, filled teeth) index for 12-year-olds and 35- to 44 year olds in selected countries
| Country* | 12-year-olds | 35- to 44-year-olds | Percentage difference† | Relative difference‡ |
|---|---|---|---|---|
| Tanzania | 0.30 | 2.90 | 867 | 9.7 |
| China | 0.53 | 4.51 | 751 | 8.5 |
| Finland | 0.70 | 20.62 | 2846 | 29.5 |
| Germany | 0.70 | 14.50 | 1971 | 20.7 |
| Hong Kong | 0.80 | 7.40 | 825 | 9.3 |
| Denmark | 0.89 | 16.70 | 1776 | 18.8 |
| Australia | 0.95 | 10.70 | 1026 | 11.3 |
| Canada | 1.02 | 12.30§ | 1106 | 12.1 |
| Austria | 1.04 | 14.70 | 1313 | 14.1 |
| UK | 1.10 | 11.57 | 952 | 10.5 |
| Malaysia | 1.12 | 12.10 | 980 | 10.8 |
| Spain | 1.12 | 6.75 | 503 | 6.0 |
| USA | 1.19 | 10.33 | 768 | 8.7 |
| New Zealand | 1.20 | 12.28 | 923 | 10.2 |
| Belgium | 1.30 | 10.30 | 692 | 7.9 |
| Ireland | 1.30 | 15.00 | 1054 | 11.5 |
| Netherlands | 1.30¶ | 12.00 | 823 | 9.2 |
| Japan | 1.40 | 12.28 | 777 | 8.8 |
| Thailand | 1.55 | 6.74 | 335 | 4.3 |
| Iran | 1.90 | 14.80 | 679 | 7.8 |
| Turkey | 1.90 | 10.80 | 468 | 5.7 |
| Greece | 2.05 | 14.06 | 586 | 6.9 |
| Brazil | 2.07 | 16.75 | 709 | 8.1 |
| South Korea | 2.08 | 5.21 | 150 | 2.5 |
| Belarus | 2.14 | 13.11 | 513 | 6.1 |
| Czech Republic | 2.96 | 17.91 | 505 | 6.1 |
*
Data obtained from the latest national dental health survey in each country.
†
Calculated with the formula: (DMFT35–44 − DMFT12) * 100/DMFT12.
‡
Calculated with the formula: (DMFT35–44/DMFT12).
§
Data corresponds to age group 35- to 49 years.
¶
Data corresponds to 11-year-olds.