The order of eruption of the permanent teeth is generally the first permanent tooth, commonly known as the sixth tooth, when the child is 6 years old, that is, the first molar of the upper jaw and lower jaw, which is the sixth tooth from the front, usually called the upper six and lower six. The order of eruption of permanent teeth in the maxilla and mandible is not the same. The order of eruption of the maxillary permanent teeth is six eruptions followed by the maxillary one, the central incisor, which is usually referred to as the incisor. The second tooth to erupt is the lateral incisor, also known as the incisor, which is the smaller incisor. Then there are the fourth and fifth bicuspids. Then there are the maxillary cuspids, and after the cuspids erupt is the second molar, which is the seventh tooth, usually called the upper seven. The order of mandibular eruption is six eruptions followed by the lower jaw also starting with the first incisor, which is the mandibular incisor, the first and second incisor. The third tooth erupts, which is the mandibular cuspid erupts. Then the first and second bicuspids, which are the fourth teeth, and the fifth teeth. Finally, the second molar, which is the mandibular tooth number seven, erupts.