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Some factors determining the state of oral health at the national level at the beginning and end of the study13,14,21,23,33
| Year | Total health expenditure as % of GDP | Total oral health expenditure as % of total health expenditure | Number of dentists per 100,000 inhabitants | Dentists who practice paediatric and adolescent dentistry as % of total number of dentists |
|---|---|---|---|---|
| 1987 | 4.93 | 9.22 | 55 | 35 |
| 2017 | 8.19 | 4.74 | 70 | 27 |
