There will likely be disciplinary action by the Dental Board as well as possible criminal action. It is quite likely that a number of civil suits will be filed as well. Your daughter may have a case for intentional infliction of medical distress, and anyone who contracts a disease will certainly have a case. The problem is that any insurance coverage will certainly be limited and there won't be enough to go around. Obviously, those who contracts a disease (including your daughter should it show up later) will claim the lion's share of the insurance. There was a similar case here in Oklahoma several years age involving an anesthesiologist. In that case a settlement was made based on a grid dividing the settlement based on a ranking of injury. Those without active disease received very little. Hope this helps.
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