Deciduous teeth first teeth seen in the mouth are the mandibular centrals and the last are the maxillary second molars. The primary teeth are made up of central incisors, lateral incisors, canines, first molars, and secondary molars; there is one in each quadrant, making a total of four of each tooth. All of these are gradually replaced with a permanent counterpart except for the primary first and second molars; they are replaced by premolars. The replacement of primary teeth begins around age six, when the permanent teeth start to appear in the mouth, resulting in mixed dentition. The erupting permanent teeth cause
The Inspector's Teeth The Inspector's Teeth "The Inspector's Teeth" is a science fiction short story by American writer L. Sprague de Camp, part of his "Viagens Interplanetarias" series. It is the first (chronologically) set on Earth, and a linchpin tale in the sequence, showing how the interstellar political system forming the background of the rest of the series was established. It was first published in the magazine "Astounding" in the issue for April, 1950. It first appeared in book form in the collection "The Continent Makers and Other Tales of the Viagens", published in hardcover by Twayne Publishers in 1953, and in paperback