Five and a half years old for milk teeth is normal, the general children in the age of 5 ~ 7 years old began to enter the period of tooth replacement, usually six years old began to grow the first permanent molar teeth, called “six years old teeth.
1. Children in the process of growth and development of a total of two teeth replacement, a tooth is the milk teeth, generally in 6 to 8 months to start erupting, in two and a half years old, all erupted, a total of 20.
2. When children grow to six years old, the first permanent molar teeth will erupt, which is called “six years old teeth”, and all of them will be replaced at the age of 12-13 years old, with a total of 28 teeth, and some of them will erupt at the age of 18-20 years old, with four wisdom teeth. Lower jaw teeth erupt earlier than upper jaw teeth, and females generally erupt earlier than males. According to a certain time and order of eruption, the left and right sides of the same jaw teeth with the same name are usually erupted at the same time.
Therefore, five and a half years of age is very normal time, parents do not need to panic, if the milk teeth for a long time did not fall, or permanent teeth erupt prematurely should go to the local medical institutions in time for examination.