Best way to get a refund for a botched dental procedure??

I had a dental implant that totally went wrong and was installed improperly. I now am going to get it redone by a new dentist, and would like to do my best to get a refund from the previous dentist.

http://ask.metafilter.com/247801/Best-way-to-get-a-refund-for-a-botched-dental-procedure