What other treatment options would be suitable for me to get my over jet corrected?

Hello, I'm 30 yrs. old and have had my braces for two years now. However, my over jet is still not corrected (which was my purpose to getting braces in the first place). My ortho stated that no molars needed to be removed aside from my wisdom teeth since the initial visit. He's had me wearing rubber band for about a year, but I see no improvement. I have two more moths till my braces get removed (which I may have to prolong because I am not happy with the results).

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