The experiment also show the removable heavy labialwire anchorage system is better than Nance palatal arch and lip bumper.
实验研究也显示在阻止磨牙近中移动方面，该系统优于腭托及唇挡。
2
The wire was bonded with directly bonding technique to the labial or lingual surfaces of teeth according to the application steps of light-cure material.