Normal children usually start to change their teeth around 6 weeks of age. Due to the different physique of individuals and rich nutrition, it is normal to change teeth at 5 weeks of age if no other symptoms occur.
1. A person’s life consists of two kinds of teeth: milk teeth and permanent teeth. The ossification of permanent teeth starts from the newborn period, and there are a total of 28 to 32 permanent teeth, and the first permanent teeth usually start to erupt around the age of 6, which is also known as the six-age teeth.
2. Due to the different physical quality of individuals, rich in nutrition, some of them can change their teeth in advance, and it is a normal phenomenon to change teeth at the age of five weeks; 6 to 12 years old, the permanent teeth gradually replace the milk teeth, the second molar erupts at the age of 12, and the third molar erupts after the age of 18, or it can not erupt for the whole life.
During the growth period, children should pay attention to dietary hygiene, balanced nutrition, avoid junk food, pay attention to rest, develop good living habits, and avoid staying up late. When there is obvious discomfort, it is necessary to actively consult and treat.