It may be normal or not so normal that the teeth are not yet replaced after the age of 12, and it needs to be judged in context.
Generally speaking, under normal circumstances, children around 12 years of age have gradually completed the replacement of teeth, but each child’s physical condition is different, so the duration of the tooth replacement period is not the same, it may be a normal situation.
Some children 12 years old after the groove teeth have not been replaced may be related to the lack of trace elements in the body, if the lack of calcium in the body may affect the growth and loss of teeth, so this symptom will occur, and at the same time, if the usual food is too fine may also lead to the replacement of delayed, this situation is generally not normal.
If your child’s tooth replacement is delayed, it is recommended that you actively seek medical attention.