Currently, there are few contraindications for treatment with the lingualappliance.
目前，相对于唇侧矫治器来说，舌侧矫治器没有特殊的禁忌证。
2
The advantages of lingualappliance are delight, maximum anchorage and easy to open bite.
舌侧矫治器的优点是美观、支抗强、易于打开咬合。
3
Dental arch expansion appliance for 25 patients with mandibular arch stenosis showed that semi-fixed mandibular lingual arch expansion had good effect and could be used to expand mandibular arch.