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 | Well, you have to change the header of the toothbrush every 3 months, so this part wouln´t pop off and hurt yourself. | |
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| You also have to take care of children, because although the children´s ones don´t have a removable header, these toothbrushes also cause injuries. Be sure to read the instructions. | |
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| Now I know what I have to do. | |
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