About: http://webisa.webdatacommons.org/172643559

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	Staining of the teeth and fillings can occur after long-term use, and after contact with tobacco and certain foods and drinks, such as coffee.
http://www.w3.org/ns/prov#wasQuotedFrom	livar.net