Ive used MH's tooth&gum powder before, works really good. I think his is (or once was) the same formula as Christopher's.
If I understand correctly, you took the Christopher or Schulze formula for tooth&gum and made into a strong (150 proof) tincture using your own dried hetbs. This will certainly preserve the herbal components extracted into the tincture. How are you using this tincture, do you put a mouthful in your mouth and swish it around for a few seconds or minutes?
if you still have some of the dried herbs left over, you may want to apply them into your mouth as an altetnative to the tincture and leave in mouth for a good while, up to hours. You could make a little pouch from gauze, sprinkle a good dose of dried herbs into gauze, fold into a mouth-sized wad and then place wad between cheek and gum. Or, you could squirt some of the tincture into a cup of boiled water "tea" to evaporate the alcohol and then swish this in your mouth for a good while.