Tetracycline which is during the infant or mother during pregnancy and lactation, taking too much of the tetracycline class drug caused. Tetracycline clothing, absorbed through the gastrointestinal tract to maintain a certain concentration in the blood, its human dental equipment calcium affinity and calcium combine to generate a yellow tetracycline calcium complex. If the crown is in the development of calcification stage, this compound is deposited in the crown, grow hyperplasia of the teeth and the yellow dye.
Therefore, the time of tetracycline prevention before from embryos four months to children from 7 to 8-year-old teeth of Tetracycline. Children before the permanent What circumstances susceptible to lip cancer teeth of tetracycline, ox tetracycline formulations are disabled. Tooth development is completed before taking tetracycline will not lead to tetracycline.
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