Trials were considered for inclusion with the following criteria: random allocation of participants; no compromised manual dexterity; unsupervised powered toothbrushing for at least 4 weeks.
我们根据以下的标准收录试验：参与者随机分配、没有手动灵巧度降低的问题、持续至少4周，在未经监测的状况下，使用电动牙刷刷牙。
Booth allocation is on a 'first come, first served' basis. Please check the Exhibitor's Manual all details.
展位安排以“先来先得”的原则安排，具体参展事项请参见《参展手册》。
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