About: http://webisa.webdatacommons.org/37431166

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	In October 2012 Align announced SmartTrack would become the new standard Invisalign aligner material for Invisalign clear aligner products in North America, Europe, and other international markets in the first quarter of 2013.
http://www.w3.org/ns/prov#wasQuotedFrom	biospace.com