I believe everyone knows the importance of teeth to us. If there is a problem with our teeth, it will not only cause us pain but also affect our diet. Therefore, we must do a good job of protecting our teeth in our daily lives. Our adult teeth are permanent teeth, which start to grow at the age of 6. Children usually start to lose their teeth around the age of 6. The physiological shedding of the first deciduous tooth usually occurs around the age of 6, but it can also occur as early as 4 years old, or as late as 7-8 years old, so there is no need to worry. Naturally fallen deciduous teeth have no roots and the fallen surface appears eroded. Parents should pay attention to observe and not confuse them with broken roots of deciduous teeth. People grow teeth twice in their life, namely deciduous teeth and permanent teeth. There are 20 deciduous teeth, which usually start to erupt around 6 months old and are fully grown at 2-3 years old. There are 28-32 permanent teeth (the number of wisdom teeth is 0-4), which usually start to grow around 6 years old and 28 are fully grown at 12-13 years old (wisdom teeth vary from person to person). Therefore, the tooth replacement period is usually between 6 and 12 years old. There are certain rules for tooth replacement. Simply put, it is a certain time and a certain order, following the principle of "left-right symmetry, first lower and then upper". Left-right symmetry, first lower and then upper refers to teeth with the same name. There are two different opinions about which permanent tooth grows first in children. One is that the first permanent molar that usually grows around the age of 6 grows close to the last deciduous molar, called the sixth-year molar, which erupts slightly earlier than or at the same time as the lower central incisor. Another theory is that children first replace the two middle front teeth in the lower row. Dentists say that this may be different for each child. Children grow upper central incisors and lower lateral incisors at the age of 6-8, upper lateral incisors at the age of 8-9, first and second bicuspids at the age of 10-12, and permanent canines at the age of 10-11. People have to go through a tooth replacement process. The first teeth to grow out are the deciduous teeth, which usually start to fall out at the age of 5-6. Our permanent teeth start to grow out at the age of 6, so parents must pay attention to children's tooth replacement in daily life. During the period of children's tooth replacement, they must pay attention to calcium supplementation to avoid slow tooth eruption. |
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