An alternative method that has been gaining popularity in recent years is the use of a fluoride varnish. Evidence has shown that fluoride varnish is effective for reducing caries in high risk ...

IT has been assumed that there is only one form of fluoride in serum, the inorganic F ion. It would therefore seem that either the value for serum fluoride which I found (1 µM) (refs. 1 and 2 ...