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.