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Table 1 Number of the respondents in each age group

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

Country/Age

18–21

22–25

26–30

Chile

181 (27%)

180 (26,9%)

309 (46,1%)

Poland

172 (40,8%)

205 (48,6%)

45 (10,6%)

Total

353 (32,3%)

385 (35,3%)

354 (32,4%)

Difference CL/PL

< 0.001

< 0.001

< 0.001

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BMC Oral Health

ISSN: 1472-6831

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