The earliest creation of a toothbru

The earliest creation of a toothbrush was by a tribe called the Babylonians. The earliest creation of a toothbrush was in 3500bc which was called chew sticks. These are the oldest form of oral hygiene in history of man kind.

The First bristle toothbrush was created by a Chinese people. The time this was created was in 619-907 during the tang dynasty. The bristle on the toothbrush was made out of hog coarse hair as it had stiff hair due to the harsh climate. It was a very strong kind of bristle It was usually inserted into little holes in bone or bamboo. This type of toothbrush was used by the Chinese monks.

By the year 1840 toothbrushes was mass made around Europe and 1857 for America. By the year 1935 Toothbrushes was replaced by animal hair to nylon which was an invention made by a chemist. Wallace Carothers from The Dupont chemical company.

The creation of nylon bristles was a much safer use than animal hair. Because it prevented the risk of catching harmful bacteria. The toothbrush was not very popular until after WWII which they had to use in their daily routine in the army.

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最早的牙刷创作是由一个部落叫做巴比伦。早在公元前3500牙刷创作被称为咀嚼棒。这是人类历史上最古老的形式的口腔卫生。

第一毛牙刷是由中国人创造的。在唐代的时候这是创立619-907。在牙刷的刷毛是用猪的粗毛也硬硬的头发由于恶劣的气候。这是一个很强的种毛通常是插入到骨或竹的小洞。这种牙刷是由中国僧侣。

通过1840年度牙刷是在欧洲和美国的1857块。1935年的牙刷是由动物毛发尼龙是由化学家发明了一种取代。华勒斯Carothers从杜邦化学公司。与动物的毛发相比，尼龙刷毛的创造是一个更安全的用途。因为它阻止了有害细菌的风险。这把牙刷在二战后才被使用，在军队的日常生活中使用了。