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
Good cleaning teeth with toothbrush,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数万家企业级客户
This invention relates to a reservoir or container for a dentifrice provided with a removable cover, in which container the toothbrush is stored - when not using it- in a position such that it is immersed into the dentifrice. For using the toothbrush this is withdrawn from the container and ...
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 toothbrushcleaning teeth.2.孩子们,请随便吃些苹果吧。Children,someapples.3.你的意见和我的相似。Your opinionmine.4.会议将在你的办公室里召开The meetinginyour office.5.“谢谢你”经常被人们说。“Thank youbypeople. 相关知识点: 试...
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...
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 toothbrushcleaning teeth.2.(你们)不要生他的气。Don'thim.3.你的意见和我的相似。Your opinionmine.4.会议将在你的办公室里召开。The meetinginyour office.5.“谢谢你。”经常被人们说。“Thank you.bypeople. ...
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 ...
Importance of Teeth Cleaning Sometimes, people may be reluctant to visit the dentist for deep cleaning teeth. According to a study, 95% of Indians suffer from periodontal disease, whereas only 2% visit the dentist, and only about 50% use a toothbrush. Understanding the importance of keeping tee...
According to the BBC,the Ancient Egyptians used a type of toothpaste (牙膏).(16)C it is believed that the Egyptians used a finger (17)A a toothbrush to clean their teeth.Chinese people may have (18)Dthe first toothbrush around 1,600BC....
( )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 ( ...