When children reach almost the age of tooth replacement, mothers and fathers will be particularly concerned about the order of tooth replacement for children, according to the baby tooth replacement order chart can be very clear about their children at which age to start replacing that tooth, randomly pay attention to see if it can be pulled to ensure that the teeth grow neatly. In general, children’s tooth replacement is in accordance with the principle of symmetry between the upper and lower rows of teeth and the left and right, first the bottom and then the top. The order of tooth replacement in children is as follows: when children are 6-8 years old, they start to grow the first permanent tooth, namely the central incisor, and the first molar also slowly grows out; when children grow to 8-9 years old, they start to grow the lateral incisor; when children are 10-12 years old, the bicuspid teeth start to grow out, and the first bicuspid teeth will grow first, that is, next to the lateral teeth; when children are 11-12 years old, the upper and lower rows of cuspid teeth have gradually grown out; when children are 12-13 years old The final third molar, the wisdom tooth, does not begin to emerge until the child is 17 years old, and maintains growth until the age of 21, which varies from person to person. Although the change of teeth in children is not a big deal, but if it is an early change of teeth parents must pay attention to whether the milk teeth are damaged, lost or even periodontitis, these should not be underestimated, once the problem is found early medical care, so as to avoid the occurrence of impaired occlusal function, affecting the normal development of permanent teeth and jaws and face.