That's interesting.  Both Sanguinaria (bloodroot) and zinc chloride are common 
ingredients of various escharotic salves such as Compound X and Cansema.
  ----- Original Message ----- 
  From: Matthew McCann 
  To: [email protected] 
  Sent: Tuesday, September 06, 2005 3:35 AM
  Subject: CS>Ingredients of Viadent


  Original formula Viadent toothpaste is no longer on the
  market, if I am not mistaken. It might be of interest to record
  its ingredients. Here they are:

  Active ingredients: Sodium Monofluorophosphate
  (for fluoridation.)
  Other ingredients: Sanguinaria extract (bloodroot),
  Zinc chloride, Sorbitol, Water, Hydrated silica, 
  Titanium dioxide, Carboxymethylcellulose, Sodium
  lauryl sulfate, Flavor, Sodium saccharin, Citric acid.

  The US patents for Viadent are # 4,145,412 and
  # 4,599,228.