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The Care Of The TeethDecay of the teeth, or caries, commences externally, appearing upon the enamel or bony structure of the teeth. Usually it is the result of chemical action produced by decomposition of food. Acids found in some fruits will cause decay if allowed to remain in contact with the teeth. Then there are the natural mouth acids, which, although not strong, are none the less effective if allowed to remain long enough around the teeth. Microscopical examinations have shown that the secretions of almost every person's month contain more or less vegetable and animal life that will withstand the application of acids and astringents and will only succumb to alkalies. A dentifrice or mouth wash should be alkaline. Next: Toothache Previous: Color Contrast And Harmony
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