Can poor oral hygiene cause heart attack and stroke?

http://blog.drbraegger.com/2014/10/03/reduce-the-risk-of-heart-attack-and-stroke-with-proper-oral-hygiene/
Can poor oral hygiene cause heart attack and stroke?
Paying attention to health and your dental hygiene — especially your gums — may pay you back with more than a gleaming, healthy, smile and affordable healthcare bills. It could keep your heart healthy also.