It is best to use traditional appliances for correction. The specific price in invisible braces is related to the level of local hospitals. Generally, it is now recommended by the angel of the times, and the processing fee of their family is more than 10 thousand. Crown is a common porcelain tooth. It needs to destroy its own teeth, grind them down or kill teeth nerves to make a beautiful posture, so it is not very recommended, especially for children! I think the so-called beauty crown needs to be replaced with the change of patients' oral environment. Once made, it is a lifelong denture! In terms of efficiency and firmness, it will be much worse than its real teeth, unless it is absolutely not recommended. And even if you do beauty crown, you are advised to go to a regular stomatological hospital.