Gelsemium: to relieve the pain of a carious tooth unconnected with any local inflammation.

Ginger.

Ichthyol.

Iodine: painted on to remove tartar on teeth; and in exposure of fang due to atrophy of gum.

Menthol.

Mercury: as alterative and purgative.

Methyl Chloride.

Morphine: subcutaneously injected.

Nitroglycerin.

Nux Vomica.