For toothbrushing only. Do not chew.
只适用于刷牙，不可咀嚼。
However, sometimes toothbrushing is painful, Doctor.
医生，我有时是刷牙感到很疼。
If the tooth isn't kept clean by toothbrushing and dental flossing, the pain will be more severe.
假如没有利用刷牙或牙线把牙齿保持清洁，那么会疼得更厉害。
To compare different modes of powered toothbrushing against each other for plaque reduction and the health of the gingivae.
比较各种不同模式的电动牙刷，对于牙菌斑的减少和牙龈的健康的效果。
A recent systematic review suggested the superiority of certain modes of powered over manual toothbrushing for plaque and gingivitis reduction.
最近的一篇系统性回顾显示在控制牙菌斑及降低牙龈炎的发生上，特定模式的电动牙刷比手动牙刷有效。
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。
We worked on a project which was for Oral b, this is a toothbrush - it was the first of the co-moulded toothbrushes, the squishy handled toothbrushes designed to make toothbrushing better for kids.
我们在为Oral- B做一个项目，设计的内容是一个牙刷，它是第一个共同模具浇注的牙刷，软的牙刷手柄专为儿童设计。
We worked on a project which was for Oral b, this is a toothbrush - it was the first of the co-moulded toothbrushes, the squishy handled toothbrushes designed to make toothbrushing better for kids.
我们在为Oral- B做一个项目，设计的内容是一个牙刷，它是第一个共同模具浇注的牙刷，软的牙刷手柄专为儿童设计。
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