Zhengzhou Seth Stomatological Hospital is very good. You can take the children there to learn about it. All the students in my children's class have oral exams there. The hospital has been in Zhengzhou for more than 20 years and has a good reputation, which has been recognized by many parents like me. My child's land is almost finished, and the effect is good. Uneven teeth affect the five senses and have a great influence on the child's appearance. It is necessary to find a reliable orthodontist for children. I would appreciate it if you could take my answer. If you need anything else, you can ask, thank you!