<http://webisa.webdatacommons.org/178902471>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<gadental.org> .
<http://webisa.webdatacommons.org/prov/338349198>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/178902471> .
<http://webisa.webdatacommons.org/178902471>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/178902471>	<http://www.w3.org/ns/prov#value>	"When restoration procedures such as root canal therapy, crowns, or fillings are not enough to save a tooth, it may need to be pulled, or extracted." .