https://www.popsugar.com/fitness/Recession-Stress-Takes-Its-Toll-Your-Teeth-3237835
http://www.everydayhealth.com/dental-health-pictures/bad-habits-that-can-harm-your-teeth.aspx
http://www.oralanswers.com/is-sparkling-water-bad-for-your-teeth/
http://www.deardoctor.com/articles/porcelain-crowns-and-veneers/page3.php
http://www.deardoctor.com/dental-implants/
http://www.webmd.com/oral-health/ss/slideshow-foods-stain-teeth