space retainer
英 [speɪs rɪˈteɪnə(r)]
美 [speɪs rɪˈteɪnər]
网络 间隙保持器
双语例句
- Oral health instruction, fissure sealing, fluoridation, caries filling, space retainer, deciduous root canal treatment, functional appliance.
口腔保健教育，窝沟封闭，儿童龋齿预防和治疗，预防性矫治。