When we were flying to Kansas City to spend Christmas with my parents, my daughter lost her "functional appliance."
当我们一家前往堪萨斯市和我的父母一起过圣诞时，我的女儿丢了她的“功能设备”。
Objective: To study the effects of functional appliance on the biomechanical characteristics of masticatory muscles.
目的：探讨在功能性颌骨矫形过程中，咀嚼肌生物力学特性变化的规律。
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。
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