orthodontic appliance

• 正牙器械,正畸器械

orthodontic appliance的用法和样例：

例句

1. Fixed orthodontic treatment is rarely used on primary dentition.
   固定正畸治疗一般很少在乳牙列上进行。
2. In this article, the application of distraction osteogenesis in orthodontic area was reviewed.
   本文就牵张成骨术在正畸领域的具体应用进行综述。