Table 5. | The frequency of the respondents who estimated the smallest field of view, 4 x 4 cm, cone-beam computed tomography radiation dose, correlated to the numbers of periapical images |
| Number of intraoral images | Sweden | Norway |
|---|---|---|
| < 5 | 8% | 7% |
| 5 - 10 | 12% | 19% |
| 11 - 20 | 27% | 37% |
| 21 - 40 | 31% | 26% |
| > 40 | 22% | 11% |
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