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September 8, 1923


JAMA. 1923;81(10):841-842. doi:10.1001/jama.1923.02650100049026

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Effects of Diet on the Structure of Teeth  Mrs. May Mellanby, whose work in connection with her husband on the dietetic causation of rickets is well known, described researches which she had made for the Medical Re arch Council on the growth of teeth in dogs. These [ill]ed that the amount of calcium in the diet was not the d[ill]ant ant factor in the calcification of teeth. The important point was the content of vitamin A, which, taken in large amounts, retained and incorporated in the tissues of the body, especially the teeth, the calcium salts in the diet. If this vitamin was deficient, the more cereal eaten the worse formed were the teeth. Both dentin and enamel were very defective on a diet of oatmeal, but when cod liver oil, rich in vitamin A, was added, these tissues were practically normal. The calcium and phosphorus of the diet did

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