…and Heart Disease.” www.perio.org. Web. 4 May 2016. <https://www.perio.org/consumer/heart_disease> “Periodontal Disease and Systemic Health.” www.perio.org. Web. 22 April 2016. <https://www.perio.org/consumer/other-diseases> “Oral Health Topics.” www.ada.org. Web. 22 April 2016. <http://www.ada.org/en/member-center/oral-health-topics/oral-systemic-health> “Types…