because exposed SDF has long term benefit to oral cavity; if a patient has SDF placed (and reapplied every 6mos) is it still advised to place fluoride varnish 4 times a year like we mention in our HRC protocol??
I would reapply varnish as a generalized application, although SDF does provide a benefit which may be as strong or stronger than varnish.  The data supporting SDF for whole mouth prevention exists, but it’s not a lot of data yet.  To be sure, I’d apply the varnish since there is much more data supporting it’s preventive actions.