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Table 11 Percentage of respondents willing to pay extra for aligners to achieve perfect alignment of teeth

From: Orthodontic treatment demand for fixed treatment and aligners among young adults in middle Europe and South America – a questionnaire study

Country/Answer

A. Yes

B. I don’t know

C. No

Chile

405 (60,4%)

152 (22,7%)

113 (16,9%)

Poland

279 (66,1%)

102 (24,2%)

41 (9,7%)

Sum

684 (62,6%)

254 (23,2%)

154 (14,2%)

Difference CL/PL

0.069

0.623

0.001

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BMC Oral Health

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