Articles in the Teeth Category
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Each and every human being is provided by two sets of teeth which make their appearance in different periods of life. The first set appears in the childhood and they are temporary or milk teeth. The second sets are called permanent. The temporary sets are 20 in numbers-four incisors, two canine, and four molars in each jaw. The permanent teeth are 32 in number- four incisors, two canines, four bicuspid and six molars in each jaw.
Each tooth consists of three portions, the crown above the gum, the root entirely concealed …


