Table 19.

Estimation of orthodontic treatment price by the respondents

Country/Answer	A. Cheaper than metal fixed appliance	B. More expensive than aesthetic fixed appliance	C. Cheaper than aesthetic fixed appliance, and more expensive than metal fixed appliance	D. There is no difference in price between the different types of treatment	E. I don’t know
Chile	154 (23,0%)	230 (34,3%)	63 (9,4%)	26 (3,9%)	157 (23,4%)
Poland	99 (23,5%)	200 (29,9%)	52 (12,3%)	71 (16,8%)	0 (0%)
Sum	253 (23,2%)	430 (39,4%)	115 (10,5%)	97 (8,9%)	157 (14,4%)
Difference CL/PL	< 0.001	0.002	0.153	< 0.001	< 0.001