While I can't remember the references, it seems that there have been a lot of pubs regarding the relationship between heart disease and dental disease in humans. One of the reasons that dental care has been so heavily supported and embraced here is because of the known relationship. Sorry I don't have the time to chase it right now. Haven't done my taxes! -- Renee Downs "Eventually we will realize that if we destroy the ecosystem we destroy ourselves." Jonas Salk "The most effective way to do it, is to do it." Amelia Earhart It's amazing how much can be accomplished if nobody cares who gets the credit! Ferret Emergency Response, Rescue & Evacuation Team (F.E.R.R.E.T.) http://www.ferretemergency.org [Posted in FML 7031]