About: http://webisa.webdatacommons.org/431664659

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Root canal is a process in which some nerves and tissues related to your tooth is cut off and being a clot so thats why it turns black.source: Why would tooth turn black after root canal?
http://www.w3.org/ns/prov#wasQuotedFrom	xmms.org