[1]CurrentPatentAssignee:DENTSPLYSIRONAINC-US2007/269518,2007,A1Locationinpatent:Page/Pagecolumn5
[1]Patent:US4145362,1979,A
[1]Patent:US8828644,2014,B2.Locationinpatent:Page/Pagecolumn11;12
[1]Patent:CN108689853,2018,A.Locationinpatent:Paragraph0029-0031