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National Geographic : 1920 Sep
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COLGATE'S RIBBON DENTAL CREAM There are three ways to clean your teeth 1 You can scour off food particles with a gritty dentifrice. * That is dangerous. It will injure the enamel of the teeth and irritate the gums, just as sand will scratch glass. 2 Or you can use a highly medicated dentifrice supposed to * dissolve the deposits on the teeth with a chemical. This, too, is dangerous, for any chemical strong enough to accomplish this will damage the delicate mouth membranes. 3 But, if you want to be safe, brush the teeth with a * dentifrice that has a fine chalk base which will polish the teeth but not scratch the enamel and also has just enough medication to soothe the tissues of the mouth. This is the safe and efficient dentifrice. More dentists have recommended Colgate's as a safe and efficient dentifrice than any other. It has no grit. It has no harmful chemicals. Which of the three ways will you choose? , ^ L'r . . the safe, CO .efficientdentifrice Sold everywhere-or send two cents for trial size tube COLGATE 8 CO. Dept. 66 199 Fulton Street, New York "Mention The Geographic-It identifies you" -- ~
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