Probably not. Just make a new account and fly under the radar for a while. If you keep getting banned on different accounts they will IP ban you.
Technically it's against the rules to make a new account to avoid a ban, but like I said, they probably won't look into it unless you give them a reason to
From someone with a science background: There are a lot of expenses with that type of clinical trial.
In particular, if you're going to assign someone to a group that is known to be unhealthy (brushing once a month) you need to pay for any dental or medical problems that arise from them not brushing.