What causes tooth ache ? THE actual cause of tooth ache is now believed to be due to gases, formed inside the tooth during the process of decay. When enough of the tooth material has rotted away and there is left only a thin covering for the ner/x?, the blood vessels around the tooth nerve swell up and press on the nervecausing tooth ache. The germs that cause the decay-producing acids have a friend in the filmcoat, or mucin plaque, which forms on teeth. This film glues the bacteria to the teeth, providing a sort of warm shelter for them and even supplies them with food to thrive on. Removal of film has, therefore, become an important problem for dental science. Film clings stubbornly. It defies all ordinary ways of brushing. But science has found a way. Pepsodent Toothpaste first curdles film, when light brushing can remove it in complete safety to enamel. Start using Pepsodent Toothpaste to-day. NZ6S PEPSODENT IS MADE IN NEW ZEALANE
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Manawatu Times, Volume LIV, Issue 7250, 1 September 1933, Page 5
Word Count
164Page 5 Advertisements Column 2 Manawatu Times, Volume LIV, Issue 7250, 1 September 1933, Page 5
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