Tooth brushing

Japanese: tooth brushing(英語表記)toothbrushing
Tooth brushing

… refers to the cleaning of teeth with a toothbrush in order to remove microorganisms and food debris from the surface of the teeth (called tooth brushing in English), or the toothpaste used for this purpose, dentifrice. Tooth brushing is thought to have been practiced since ancient times, and the ancient Egyptian Ebers Papyrus also describes a toothpaste made from powdered palm fruit, powdered flint, and other ingredients mixed with honey, which is believed to be the oldest toothpaste in the world.

*Some of the terminology that refers to "tooth brushing" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…歯の表面に付着している微生物や食べかすを除去する目的で,歯ブラシを用いて清掃すること(英語ではtooth brushingという),またはこれに用いる歯磨剤dentifriceをいう。歯磨きは古くから行われていたと考えられ,古代エジプトの〈エーベルス・パピルス〉にも,ビロウの果実の粉と火打石の粉などを蜜で練ったものが歯磨剤として記載されており,これが世界最古の歯磨剤と推定されている。…

※「tooth brushing」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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