Under normal circumstances, children begin to change their teeth around the age of 6, and their deciduous teeth begin to fall off physiologically. The permanent teeth that replace deciduous teeth erupt one after another. By the age of 12-13, all deciduous teeth are replaced by permanent teeth. This is the children’s tooth changing period.
The order of children’s tooth change is: the first permanent molar grows behind the last deciduous molar at the age of 6, also known as the sixth molar; the deciduous lower central incisor falls off and the permanent lower central incisor grows out at the age of 6; the deciduous upper central incisor falls off and the permanent upper central incisor grows out at the age of 7-8; the deciduous lower lateral incisor falls off and the permanent lower lateral incisor grows out at the age of 8 The first and second deciduous molars fell off and the first and second premolars grew out at the age of 9-12; the deciduous premolars fell off and the permanent premolars grew out at the age of 10-12.
During the whole tooth changing period, it is an important period for children to protect their teeth.
First of all, the first permanent molar, the sixth age molar, has the function of positioning and height setting for the growth of children’s maxillofacial region. It has an impact on the eruption and alignment of other teeth. It can benefit a lifetime if it is well protected.
Secondly, we should pay attention to the correction of children’s bad habits during tooth change. During the 6-7 years of tooth change, children’s common bad habits, such as biting nails, biting lips, biting tongue, stretching tongue, licking teeth, can directly affect the uneven and beautiful dentition and asymmetric facial development, thus leaving a lifelong regret in appearance. Although some permanent teeth have erupted, some deciduous teeth still do not fall off, so they should be removed in the Department of Stomatology. For individual stubborn bad habits that can not be corrected by themselves, they should go to the Department of Stomatology as soon as possible and wear appliances to help correct them.
Third, pay attention to the prevention and treatment of deciduous molar caries. Deciduous molars are prone to dental caries in the period of tooth change, such as apical disease caused by dental caries, which can affect the growth and eruption of secondary permanent teeth. Therefore, it is necessary to pay attention to the timely treatment and prevention of deciduous molars age disease, and there must be no misconception that deciduous teeth need to be replaced sooner or later, and there is no need to treat them if they are damaged. Doctor’s advice: we should try our best to keep the deciduous teeth until the permanent teeth erupt. If the deciduous teeth are lost prematurely, it often leads to insufficient space for the secondary permanent teeth to erupt, resulting in uneven dentition, or even permanent teeth to be buried.
Fourth, the permanent teeth should be observed and treated regularly. When changing teeth, the anterior permanent teeth erupt below or inside the deciduous teeth, and the erupted permanent teeth are the size of adult teeth. It is normal to have slight crowding, torsion or gap. It can be adjusted and aligned with the eruption of adjacent teeth and the growth and development of jaw. As long as it is not a reverse tooth (i.e. the floor covering the sky), it is not necessary to correct it, but it should be observed regularly, and the longest time should not exceed half a year. If the deciduous teeth are still not aligned after complete replacement, timely treatment should be conducted to avoid delay in treatment and difficulty in correction.
Fifthly, we should educate children in the period of changing teeth to pay special attention to dental care. During the tooth changing period, due to the uneven arrangement of teeth, eruption of permanent teeth, retention of deciduous teeth, double row teeth are caused. At this time, if you eat more sucrose containing food and do not pay attention to oral hygiene, it will cause poor tooth cleaning and food retention, which will easily lead to dental caries of deciduous and permanent teeth.
Therefore, at this time, we should pay attention to educating children to brush their teeth carefully and eat more fiber food, which will help to clean their teeth and promote the growth and development of jaw and maxillofacial.
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