About: http://webisa.webdatacommons.org/100703169

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	The reflective layer 420 may be comprised of a material, such as silicone, which acts to reflect vibrational energy transmitted from transducer 402 and retransmit the energy back into tooth TH.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr