doi:US6086373 AThomas SchiffIra D. HillUSUS6086373 * Nov 10, 1998 Jul 11, 2000 Schiff; Thomas Method of cleaning teeth with a toothbrush with improved cleaning and abrasion efficiency
一、根据所给汉语提示完成句子.每空一词。1. 牙刷被用来清洁牙齿。 A toothbrush ___ ___ ___cleaning teeth.2. 孩子们,请随便吃些苹果吧。Children, ___ ___ ___ some apples.3. 你的意见和我的相似。Your opinion ___ ___ ___mine.4. 会议将在你的办公室里召开。The meeting ___ ___...
五、根据汉语提示完成句子,每空一词1. 牙刷用来清洁牙齿。 A toothbrush ___ ___ ___cleaning teeth.2.(你们)不要生他的气。Don
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专利名称：A kit for cleaning the teeth with a toothbrush storable in the toothpaste holder 发明人：Russo, Pio,Russo, Renate 申请号：EP81830198.8 申请日：19811016 公开号：EP0051047A1 公开日：19820505 专利内容由知识产权出版社提供 专利附图：摘要：This invention relates to a reservoir or container...
His___ is a toothbrush that goes onto your tongue(舌). T2T has special edges(边缘) and toothpaste. So just___your tongue over your teeth and it cleans your teeth just like a toothbrush ___! It will make your breath fresh too. Elseri and ...
Once a child will accept a parent's finger in the mouth, a soft rubber finger toothbrush can be introduced to rub the gums. The child may then be able to progress to a rubber toothbrush trainer set, and then to a soft brush. An alternative might be to ‘brush’ the gums/teeth with...
Get inspired by a weekly roundup on living well, made simple.Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. CNN— You have been brushing your teeth for most of your life, but are you sure you’re doing it right?
( )1. Most people couldn't live without a ___according to the survey. A. televisionB. cell phoneC. bikeD. toothbrush ( )2. People didn't use ___to clean their teeth before toothbrushes were invented . A. boneB. stickC. saltD. feather ( ...
A toothbrush for cleaning selected teeth does so with the aid of teeth opposed to the selected teeth and includes groups of bristles extending altitudinally from an upper face of a bristle support and bowed to curve laterally outwardly in directions away from one another, the bristle support incl...