http://www.deardoctor.com/articles/implant-timelines-for-replacing-missing-teeth/
http://www.smithsonianmag.com/smart-news/george-washington-didnt-have-wooden-teeth-they-were-ivory-180953273/
https://www.washingtonpost.com/national/health-science/what-toxins-have-you-been-exposed-to-your-baby-teeth-may-hold-the-answer/2016/07/11/9cf1d740-1d18-11e6-b6e0-c53b7ef63b45_story.html?utm_term=.e4b15d2fbe05
http://www.webmd.com/oral-health/video/what-teeth-do
http://www.deardoctor.com/dental-videos/
https://www.youtube.com/watch?v=xdMIfEHArWs
http://www.checkdent.com/en/videos/what-is-a-dental-bridge-37.html
http://www.checkdent.com/en/videos/what-are-dental-veneers-207.html