Article Submission II

I need articles written in the field of dentistry and submitted to different sites. The articles need to be well-written in good English with right nmber of keywords. Escrow will be released upon receipt and confirmation of the links after you provide the list of the links (500 total) to me (links should be permanent). there are five websites so I need five different articles and have each submitted to 100 sites creating 100 links to each of my five sites.