An 8 year old child with crooked incisors is generally not recommended to undergo orthodontic treatment right away, but can wait until the alternation of milk and permanent teeth is completed. It is recommended to go to a professional dentistry for examination, by the judgment of the specialist to assess the need for orthodontic treatment. 8-year-old children are still relatively small, try not to do orthodontic teeth, if orthodontic may affect the loss of teeth, the mouth is in the period of alternation of milk and permanent teeth, the position of permanent teeth in the mouth is constantly being adjusted, and with the expansion of the jawbone, the width and length of the jawbone are expanding, orthodontic milk and permanent teeth alternation, will also make the growth of the teeth appear deformity symptoms. It is best to consider orthodontic treatment after the alternation of milk and permanent teeth is completed, because sometimes a mild torsion may be corrected during tooth replacement, so you can wait until the permanent teeth have fully erupted in the mouth and all milk teeth have been lost, and then choose the appropriate orthodontic program according to the degree of tilted and twisted teeth. 8-year-old children with crooked incisors should be prohibited from eating too hard food, so as not to cause the teeth to be tilted and twisted seriously. Eat a light diet and do not consume overly stimulating foods, so as not to affect the health of the gums. You can wait until the child has finished replacing his or her teeth before undergoing orthodontic surgery.