The cost of correction has a lot to do with the type of appliance you choose and your area.

Even the same type of household appliances, the price of first-tier cities will be higher than that of third-and fourth-tier cities or small cities.

Different types of electrical appliances have different prices.

The cost of ordinary appliances in Shanghai is almost more than 10 thousand yuan, and the cost of semi-invisible appliances, fully transparent invisible appliances and lingual appliances is higher.

You can go to the local hospital to learn more, listen to the doctor's advice, and then make a choice according to your own situation.