Secondly, the second is the malocclusion between 6- 12 years old, which seriously hinders growth and development and needs preliminary orthodontics. Most malocclusion can not be corrected until the permanent tooth stage, that is, 12 years old. Because the roots of permanent teeth are gradually developed and the occlusal relationship between upper and lower teeth is also adjusted, dentists can make a clear diagnosis of the types of malocclusion and take corresponding orthodontic methods. It is easy to maintain a stable effect after orthodontics is completed, and there will be no major changes. Children should not correct their teeth too early, but it should not be too late. Generally speaking, the best orthodontic age for children is at the peak of growth and development, that is, boys 12- 14 years old and girls1-13 years old. Five advantages of invisible orthodontics without brackets: 1. Personalized design, satisfactory orthodontic effect, confident smile. Second, it is almost completely invisible, which solves the aesthetic concerns of many patients when correcting their teeth. Thirdly, because it is not suitable for brackets, steel wires and other correction devices, it greatly reduces the pain in the correction process. Fourthly, oral hygiene is easy to maintain, which avoids gingivitis, tooth loss, discoloration and other problems that may be caused by correction. Five, can choose to wear, does not affect social, diet, sports, etc.
Medically, as long as there is a good periodontal environment, gums do not shrink and teeth do not loosen, that is, under the condition of good periodontitis control, even people under 40-45 can do orthodontics.
In addition, the revised golden age is 12- 17. For orthodontics, its hundred-year history is almost vast, so you have to try your best to get to the point. Because it has a lot to do with the way of use, the condition of teeth, the level of hospitals, the age of people, the development of bones and the choice of corrective methods. I can only give you the essence.