
Quoting
Mr. Knowitall
You have explained to us that you received some work by a dental hygienist in advance of when the dentist would have ordered and completed that work, but you have not identified how you were harmed as a result. You have expressed dissatisfaction with your treatment following your apparently premature decision to end your treatment.
You refer to "possibly over-extensive filing", but "possibly" isn't going to get you anywhere. To pursue any sort of case you would need to establish that the filing was excessive and not consistent with the standard of care. It remains possible that with the completion of your dental treatment you would find that the final result is acceptable.
If you want to try to interest a lawyer in taking the case, you should try to find a qualified orthodontist who is willing to give the opinion that the original orthodontist violated the standard of care, and gives you an estimate for the correction of any improperly performed work. Due to the very high cost of malpractice litigation, lawyers are unlikely to consider the case unless you can document substantial damages. It is difficult to find lawyers who handle dental malpractice cases due to the fact that absent a serious problem (e.g., nerve damage) most cosmetic corrections are relatively inexpensive.