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The bristles’ softness ... In the next section, we’ll take a closer look at the different types of toothbrushes available and which one is the best for receding gums. We understand the ...
Different types of electric toothbrushes come ... teeth in some fashion for thousands of years. The first toothbrush with nylon bristles was sold in 1938 while the first electric toothbrush ...
and there’s sonic toothbrushes that have vibrating brush heads that move the bristles side to side at really high speeds, sometimes up to frequencies of 50,000 movements per minute,” says Dr ...
Then, in 1498, the emperor of China developed a device with hog bristles placed in a bone handle. This type of toothbrush became so popular that in Europe even the common folk used it. The price ...
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