About: http://webisa.webdatacommons.org/79081909

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	biocompatible rigid material, for example special steel, in particular titanium, and are attached to the core, for example, by a silicone adhesive or other adhesive.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com