If the degree of caries is light, it is recommended to carry out professional decay and filling treatment as soon as possible, but if the degree of caries is heavy, it is necessary to check the tooth position carefully, if it is the clinical position of the 3rd, 4th and 5th teeth, these 3 teeth may be in the stage of alternation of milk and permanent teeth at the age of 10, so we must We must see whether it is the caries of the milk teeth or the caries of the permanent teeth. If it is the caries of the milk tooth, and it is serious and cannot be preserved, we can consider to extract this milk tooth directly, and then make a gap retainer in the corresponding part to keep the corresponding gap, and wait for the permanent tooth to erupt. But if it is other teeth, the caries of permanent teeth, you need to try your best to treat the teeth, and if necessary, you can perform apical induction molding to make the permanent teeth serve the patient for a longer time.