Although many dental experts believe that almost any type of soft-bristled brush is effective if properly used, great strides have been made in specialty toothbrushes. For instance, electric toothbrushes are helpful for individuals with limited mobility or dexterity in their hands, such as people ...
百度试题 结果1 题目9.电动牙刷是怎么造出来的Howwere /are the electrical toothbrushesmade ? 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
These toothbrushes were made of pig hair and were much more comfortable to use than the twigs. "可知,毛 牙刷出现在1498年左右;根据第三段中的“In 1780, William Addis... glued the bone to a handle.”可知,带手柄的牙刷出现于1780年; 根据第三段中的“The first nylon toothbrush was created in...
The first mass produced toothbrushes began to appear in the 1800s – using bristles from pigs. And by the 1880s tubes of toothpaste were available! Click here for more from Professor Hallux’s Dental Depositary! Modern dentistry is so much better t...
Each of the toothbrushes is specially made for one person by using 3D printing technology. In order to use the toothbrush, you have to go to a dentist and let him or her know your teeth well. He or she will send the information to a dental lab and then all that you need to do is...
Each of the toothbrushes is specially made for one person6 3- D printing technology. In order to use the toothbrush, you have to go to the 7 and let him or her know your teeth well. He or she will send the information to a dental lab and then all 8you need to do is wait. _9...
but you can still empower your child with choices when it comes to teeth brushing. Take your child to the toothbrush aisle at the store and let them choose a toothbrush or toothpaste in a fun color or with their favorite character. You could even have multiple toothbrushes av...
They said it could clean your teeth in six seconds.Each of the toothbrushes is specially made_4_ one person, using 3D printingtechnology.In order to use the toothbrush, you have to go to the 5 and let him or her know your teethwell. He or she will give the information to a dental ...
Each of the toothbrushes is specially madefor one person _4 3-D printing technology.In order to use the toothbrush, you have to goto the 5 and let him or her know your teeth well. He or she will send the information to a dental lab and then all that you need todo is wait. _6_...
Recycling Mystery: Toothbrushes & Toothpaste Tubes Earth911 Podcast: World Centric’s Lauren Olson on Regulating PFAS ByMary Mazzoni Mary is a lifelong vegetarian and enjoys outdoor activities like hiking, biking and relaxing in the park. When she’s not outside, she’s probably watching baseball...