I got my top dentures about 3 years ago and haven't had much trouble with them, other than the fact ...

I got my top dentures about 3 years ago and haven't had much trouble with them, other than the fact that one of the I spoke with the manager ov3teeth broke off when I bit a piece of chicken. However, about 6 months ago, I got the bottom dentures (first time ever).As soon as I put them in I said they don't fit right and took them out.Every time I put them in, they rub the left side of my mouth and it hurts terribly. I've been back to complain and they just file it down. I have to only wear them on special occasions because they hurt so bad. I might start out with them, but as soon as I eat, they're all messed up and hurting. The manager, Mark, I think, said "don't get them filed too much" ,but, I had only been there once for an adjustment . I am so unhappy and disappointed in these bottom teeth.