No one drug has come into general use as a germicide with such universal satisfaction as iodin. Its virtues are so well known in surgery as to require no comment.
I began the use of this drug in 1878 when I commenced my researches in interstitial gingivitis. As a mouth antiseptic and germicide it acts more quickly and more satisfactorily than any other drug. The objection to the use of the official preparation, which contains 7 per cent. iodin dissolved in alcohol to which is added 5 per cent. potassium iodid, is due to the fact that frequent applications will destroy the mucous membrane of the mouth. To obviate this, I prepared the following and called it iodoglycerole:
Water... 2 parts
Zinc iodid... 3 parts
Iodin (crystals)... 5 parts
Glycerin... 10 parts
As compared with the ordinary tincture of iodin, its astringent properties are greatly increased; the glycerin causes rapid