David Snape is the author of What You Should Know about Gum Disease: Available at <a href="http://gingivitiskiller.com" title="http://gingivitiskiller.com" target="_blank">http://gingivitiskiller.com</a> He also answers questions at his blog: <a href="http://tobeinformed.com" title="http://tobeinformed.com" target="_blank">http://tobeinformed.com</a>.