http://www.deardoctor.com/dental-implants/
http://www.deardoctor.com/inside-the-magazine/issue-34/root-cavities/
http://www.colgate.com/en/us/oc/oral-health/life-stages/oral-care-age-55-up/article/oral-health-for-seniors
http://www.everydayhealth.com/oral-head-and-neck-cancer/dentures-and-oral-cancer.aspx
http://onlinelibrary.wiley.com/doi/10.1111/jopr.12504/full
http://www.dailymail.co.uk/health/article-2138303/Energy-drinks-destroying-teenagers-teeth.html
https://www.carefreedental.com/resources/13-dental-health/90-why-sports-drinks-are-destroying-athletes-teeth
http://www.cnn.com/2016/03/04/health/when-to-replace-toothbrush-sick/index.html
http://www.webmd.com/oral-health/guide/dental-health-dental-care-products#1