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Table 21 Answer to given question

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

Country/Answer

No

I don’t know

Yes

Chile

239 (35,7%)

301 (44,9%)

130 (19,4%)

Poland

118 (27,9%)

220 (52,4%)

84 (19,9%)

Sum

357 (32,7%)

521 (44,7%)

214 (19,6%)

Difference CL/PL

0.010

0.024

0.900

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BMC Oral Health

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