Looks like we got another swell poised to hit the CA coast @ starting late Sunday PM, through Monday. But the tide heights are wimpy again on those days. And the direction of the swell is not S or SW. And the models seem to show that everything south of Santa Barbara are going to be "shadowed". We shall see.
Itsaring is right: Those dental things contain some compositions that can be good (eg.: a percentage of gold or whatever). Throw those in with your refining melt-package, and ... it will assay out.
They get onto the beaches because people scatter their loved ones ashes to the surf/sea. Kind of creepy that we find them . But ... oh well.