(1) Fixed Orthodontic Appliance: It is a kind of orthodontic appliance which is bonded on the outer surface of teeth and cannot be removed during treatment, including metal orthodontic appliance, ceramic orthodontic appliance and self-ligating bracket orthodontic appliance, etc. This kind of appliance is generally suitable for small children. This kind of braces, generally suitable for small children, no need to consider the aesthetics, the corrective effect is better, of course, adults can also wear.
(2) Xiaxm Menmei-Lai mylike invisible aligners: they have the features of good invisibility, almost invisible, and can be removed by themselves. Best comfort when wearing, almost no obvious pain.
(3) lingual side aligner: it is a kind of fixed aligner bonded to the inner surface of teeth, thus it is not easy to be noticed. It is aesthetically pleasing, but requires a high level of expertise on the part of the doctor, it is more expensive and more difficult to operate.