Why would you want this orthodontist to continue working on your daughter? Contact a personal injury attorney and be sure to ask them whether they have experience in dental malpractice claims. This is not the type of claim for an inexperienced attorney, as these claims are vigorously defended and you will need to get an expert on the local standard of care for orthodontists.
If you wait until the treatment is completed, you may also run into statute of limitations problems.
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