Thanks for coming back to me.
The issue isn't I want Google to reindex my site, the issue is that for some keywords Moz is using a page that is no longer the highest ranking for that keyword.
Moz uses "page A" for "Keyword Z"
Optimisation carried out
"Page B" now outranks "Page A" for the keyword
Moz is still reporting "Page A" and not "Page B"