<http://schema.org/description>
"If your dentist suggests a root planing and scaling, do you think &amp;quot;root canal&amp;quot; and head for the hills? Relax, it&amp;#039;s not that bad."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/wellness/oral-care/procedures/root-planing-and-scaling.htm>