The nature of ground cover is different, and generally different methods are needed to correct it. Different methods may use different time, so it is necessary to use correction method to estimate the approximate time. Please refer to the following:

First, correct braces:

Braces are the most common orthodontic method for Kouga with iron teeth. Orthodontic devices are attached to teeth with adhesive, so patients can't take them off by themselves, and they can only be disassembled and adjusted by orthodontists. It will take about 2-3 years.

Second, surgical orthodontics:

Orthodontics is a new type of oral plastic surgery. In view of the serious situation of bony inclusions, combined with plastic surgery, computer preoperative simulation design was adopted, and the operation time was about 1 hour.