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Estimation of need to wear aligners on teeth by the respondents
| Country/Answer | A. 12 hours | B. I don’t know | C. 22–24 hours | D. 14–16 hours | E. Only during the night |
|---|---|---|---|---|---|
| Chile | 45 (6,7%) | 316 (47,2%) | 170 (25,4%) | 60 (9,0%) | 79 (11,7%) |
| Poland | 34 (8,1%) | 238 (56,4%) | 74 (17,5%) | 36 (8,5%) | 40 (9,5%) |
| Sum | 79 (7,2%) | 554 (50,7%) | 244 (22,3%) | 96 (8,8%) | 119 (10,9%) |
| Difference CL/PL | 0.476 | 0.004 | 0.003 | 0.895 | 0.274 |
