Teeth that have grown above during tooth replacement can be treated with orthodontics or extractions. This should be done in accordance with medical advice. When children are replacing their teeth, the permanent teeth grow above, often due to the milk teeth have not fallen out of the permanent teeth grow out, trauma, children have the habit of licking teeth, etc. Between the ages of 6 to 12 years old, it is the time of the replacement of milk teeth, there is no way to intervene, you can temporarily observe, maintain good oral hygiene habits, do not overstimulate the permanent teeth. By the age of 12, the replacement of milk teeth will be completed, if the teeth are still irregular, you can go to the orthodontics department of the regular hospital for orthodontic treatment, to restore the neatness of the teeth and good occlusal relationship. If there are multiple teeth, they need to be extracted in time. During the period of tooth replacement, let the child develop a good habit of dental care, morning and evening brushing, keep the mouth clean.