<http://schema.org/description>
"You know you should brush and floss regularly, but when it comes to your oral health, what do you know about blood clots, exposed bone and a drinking straw? Go ahead -- test your wisdom about dry sockets here."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/wellness/oral-care/problems/dry-socket-quiz6.htm>