Facet joint pain : Main differences between viscoelastic and mechanical disc prosthesis. (S.A.C Webinar #1) December 01, 2020 Speaker Svante Berg Moderator Patrick Tropiano Language English Links Visit GECO website October 4, 2022 December 1, 2020 Video comparative, facet, facets, innovations, joint, lumbar, mechanical, pain, prosthesis, spine, study, viscoelastic