It has been a little over 1yr now since I've started treatment & I keep having the same few brackets missing or simply 'left off' b/c they wouldn't stay on. Now, whenever I ask to have them put back on, my ortho goes, "Oh, you don't really need ALL the brackets on..." Honestly, my teeth doesn't look much diff from when I first started: My mouth is crooked & I have a cross-bite. I've seen better progress w/traditional braces in the past b/c NONE of the brackets ever came off. Please advise.