About: http://webisa.webdatacommons.org/76334621

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 the tooth shade guide of this invention, there is no such interference as would be caused by an assembly means or other protuberance attached to the rear wall of the artificial tooth of the shade guide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com