Adult looking for perfect smile without removing teeth, is a palate expander an option? What method do you recommend. (photos)

I'm 40 years old. I want perfectly straight teeth (ideally with no extractions). I have a overbite & my front teeth are getting overcrowded. I have had one root canal on one of my molars (top set of teeth) is this going to be a concern during the orthodontic procedure. Ideally I would like this done in the quickest time possible & Im assuming that wires will be glued to the back of my teeth at the end so that they can not move again, but that's my guess. Recommendations, cost & time? Thankyou

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