Hi Defsync,
I don't think your overbite/neck issues generally apply to me although when stressed I can sometimes stop and be aware that my jaw has tensed up - I would expect that in itself to be relatively normal although if stress is prolonged its not good for anyone I don't think.. As others have said its great to have space on the questionnaire to raise thoughts like this on an individual basis. In the meantime, have you created a poll on pollcenter to ask about these issues? I know its nott the first I've heard of it. You may not get the number of respondents that the questionnaire will and it won't have scientific rigour but it might be a quick way of gauging if a disproportionate number of others here have a similar issues...