I agree with the other responder that she might be too young to get rid of it. If she's already tossing it back in the crib in the morning, I think this is a good sign that she'll eventually give it up on her own (though it may take several months). It probably isn't hurting anything at this point and it gives her some comfort, which is something someone so little needs.
My daughter had hers a long time (until she was three) and her teeth are totally fine. It bugged me sometimes, but she really seemed to need it. When I thought she might be ready to give it up, I explained to her that she was a big girl now and that she could throw it out whenever she wanted to. When, at last, she decided to do it, my husband and I got her a little gift. After that, she asked about the pacifier occasionally for a few weeks, but there were no major meltdowns over it. And, actually, she seemed proud of herself even though (or maybe because?) it was a little hard for her to do.
So, the short version of my advice, based on my own experience, would be to wait until she's really ready. This will save everyone a lot of pain and suffering. It could also be a really good learning experience for her when she finally does give it up. Good luck!