Removing/Uprooting the two teeth in order to create a space where the front teeth will be moved is a common procedure in braces treatment. It helps in reducing the overjet and the space will be closed t the end of the treatment.
For your TMD, the last few months of braces treatment are very important for you. Where your relation of upper & lower teeth (occlusion) will be corrected.
Health Tips
Braces treatment is a gradual process to move the teeth. You need to have patience. Consult your orthodontist if in case your TMJ pains during the treatment.