About: http://webisa.webdatacommons.org/451549621

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	most common material of construction of the obturator is metal, such as stainless steel and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com