I was recommended to go because it was famous, but I didn't know who the doctor was and I just did it. Thinking about it now, it's dizzying, but I just had no idea at the time. The retainer inside was inconvenient, so I removed it from the top and fitted it with transparency. I don't know why I did it I don't know why. Please take a good look and see the doctor as well, but it's best to be close to the doctor.