Environmental Sciences, asked by taheramoti540, 7 months ago

6
How often should we change our toothbrush? W
we need to do that?​

Answers

Answered by kunal785948
0

Answer:

we need to change tooth brush after 4 weeks as after that its bristles become weak and are unable to clean teeth

Answered by ARBIDMAHATO
0

Answer:

we need yo change our toothbrush in 3 months.

we need to do that because in it viruses and bacteria population increased extramely

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