"BURX" is a mistake by that site... the word is definitely BRUX, probably relating to teeth-grinding (BRUXISM, etc).
Here is one of a couple URLs with the BRUX/YUTZ list:
http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=106&STORY=/www/story/06-24-2005/0003937515&EDATE= |