Let me explain the purpose of orthodontic implant nails and extraoral arch, and you will understand immediately.

Extraoral arch is often used to limit the outward growth of maxilla and pull back the upper teeth.

The advantage is that it is economical. The disadvantage is that it affects the appearance and is uncomfortable to wear.

Orthodontic implant nails, the latest application, have different functions in different situations. For example, the purpose of planting nails for patients with Class II malocclusion, such as Qin, is to pull back the molars and make the whole dentition move back smoothly. Because the planting nail can directly act on the moving wire, it only needs a small force to achieve good results when pulling out, so it is a technology with twice the result with half the effort.

There are many advantages of planting nails, but the disadvantage is that the cost is relatively increased. At present, 300~500 domestic planting nails are widely used in China (according to the urban consumption level).

To sum up, the selection of planting nails is cost-effective.

In addition, the effect will be better in the case of parents or orthognathic surgery.

I hope it will help my parents.

Healthy teeth.