The most commonly used appliance is fixed appliance. Many adults want to straighten their teeth very much, but they are worried about "steel mouth and iron teeth" after wearing orthodontic appliances. For aesthetic reasons, people invented transparent brackets and lingual appliances. Transparent brackets are similar in color to teeth, so they are not obvious. The lingual appliance sticks the bracket to the inside of the tooth close to the tongue, so it can't be seen from the outside.

General correction takes about one and a half to two years. Complex mistakes and deformities take longer to treat than simple ones. The correction time of skeletal deformity is longer than that of simple tooth deformity. Everyone's situation is different, and it is necessary to analyze the specific situation and the treatment time. After the correction is completed, it is generally necessary to wear the retainer for about one and a half years.

Prices vary from place to place, generally less than 1000 in cities, and more expensive in big cities.

Some people change porcelain teeth, but it is not recommended.