National Geographic : 1917 Mar
When You Have Brushed Your Teeth your mouth toilet is only one-half complete. The other, and more im portant half, is To Clean the Mouth To clean the mouth thoroughly-to keep it in such a healthy condition that disease germs cannot thrive in it-use Di pen (a teaspoonful in a quarterglass of water) morning and evening, as a mouth wash. This is the best possible pre ventive of colds, sore throat, and La Grippe-so common at this season of the year-all of which originate in the mouth. OAKLAND CHEMICAL CO. 10 ASTOR PLACE, N. Y. ioxo en A POWERFUL c ANTISEPTIC ANDDISINFECTANT INTERNAL ANDEXTERNALS INODbROUS ANDHARMLESS OAKLAND CHEMICAL( Stear rO-* "Mention the Geographic-It identifies you."