Should I get a 2nd opinion regarding my braces in another orthodontist practice? Not happy with them and paid almost £3,000.

Had braces on for 2 & 1/2 years. Orthodontist was prepared to take them off after 1 year but I refused. My top central incisors slant to the right slightly, right tooth is longer than the left one. Midlines are not lined up & been wearing elastics for 4 over one year approx. Not happy about paying £3,000 and getting the results I've got after all this time. Spoke to orthodontist about it but she insists they are fine and ready to be taken off. What should I do?

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