Old teeth did not fall out of the new teeth in the back to grow out, you need to go to the hospital to take a picture to check, if the retained milk teeth need to be extracted in a timely manner, but there may be the first permanent molar eruption, the first observation first.
1. Tooth extraction. If the milk teeth have not been lost during the replacement period, and the corresponding permanent teeth underneath erupt ectopically from the vicinity of the milk teeth, it is necessary to extract the retained milk teeth in a timely manner.
2. Temporary observation. Milk teeth have not been lost, the new permanent teeth from the back of the growth may be the first permanent molar, usually around the age of six years directly from the second molar back eruption, there is no replacement of milk teeth with it, at this time need to observe the main, the front of the second molar usually around the age of ten years began to carry out the replacement of the teeth need to pay close attention to the eruption of the teeth.
If the old teeth don’t fall out and the new teeth grow out behind them, it is recommended to consult a doctor in time for examination and timely treatment of the problem.