School Hygiene And the Laws of Health; a Text-Book for Teachers And Students in Training
School Hygiene And the Laws of Health; a Text-Book for Teachers And Students in Training
Charles T Porter
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This is, in most cases, a counsel of perfection, but it should not be im- possible to brush the teeth morning and night ; the rule being, ** brush them for your own sake in the morning, and for their sake at night." The majority of people are content with using the brush once a day, in the morning. If it is only possible to use it once, it would be better to let that once be at night, in order to get rid of accumulations of food collected during the day. How to brush the Teeth. — The backward a...nd forward move- ment across the teeth leaves the majority of the tooth-destroying organisms undisturbed. The haunts of these organisms are the sides and crown of the tooth, and to the backward and forward movement across the front must be added an up and down move- ment between the teeth, and a movement along the top of the crown. The tongue may be left to attend to the back of the teeth. To assist in the dispersal of the germs on the sides, the tooth-pick is to be recommended, and the scraping or " silk- ing " of the sides with a silk thread passed between each pair of teeth, and moved up and down along the adjacent sides five or six times.
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