Fetid breath may be due to the expelled air (i. e., to disease of the respirational tract), to gases thrown off from the digestive tract, or to a diseased mouth. In the first two cases medication must be directed to the causative diseases, with the last, antisepsis principally and the neutralization of the saliva, also the removal of all residual food of dental caries.

I

Potassium permanganate......... 1 part

Distilled water.. . . 10 parts

Mix and dissolve. Add from 5 to 8 drops of this solution to a glass of water and with it gargle the mouth.

II

Infusion of salvia 250 parts

Glycerine....... 30 parts

Tincture of myrrh 12 parts Tincture of lavender........... 12 parts

Labarraque's solution ........ 30 parts

Mix. Rinse the mouth frequently with this mixture.

III

Decoction of chamomile.......... 30 parts

Glycerine........ 80 parts

Chlorinated water. 15 parts Mix. Use as a gargle and mouth wash.

IV

Peppermint water 500 parts Cherry-laurel water ........... 60 parts

Borax.......... 25 parts

Mix and dissolve. Use as gargle and mouth wash.

V

Thymol......... 3 parts

Spirit of cochlearia........... 300 parts

Tincture of that any........... 100 parts

Oil of peppermint 15 parts

Oil of cloves..... 10 parts

Mix. Gargle and wash mouth well with 10 drops in a glass of water.

VI

Salol........... 5 parts

Alcohol........1,000 parts

Tincture of white canella....... 30 parts

Oil of peppermint ........         1 part

Mix. Use as a dentifrice.

VII

Hydrogen peroxide........... 25 parts

Distilled water.. . 100 parts

Mix. Gargle the mouth twice daily with 2 tablespoonfuls of the mixture in a glass of water.

VIII

Sodium bicarbonate ............ 2 parts

Distilled water.... 70 parts

Spirit of cochlearia 30 parts

Mix a half-teaspoonful in a wine-glassful of water. Wash mouth two or three times daily.