Your words should be dental, depending on your feelings. If you feel bad, you should correct them. Generally, if you go to the Ninth Hospital, the price is about 1 10,000. Tie it to 1.5 years. If you feel nothing, you don't need to correct it. After all, it is time-consuming and laborious, and it is very troublesome. It's annoying to go for a follow-up visit once a month.