Physics, asked by Hasinikoduri9, 19 hours ago

Why do the toothbrush bristles shape out after using them?

Answers

Answered by oODivineGirlOo

Answer:

Hard toothbrush bristles = bad. They can't clean your teeth well and are harsh on your gums. ... More than likely, your bristles are hardening because of things like being too old, having hard water in your home, toothpaste residue left inside of them, or whitening gel building up.

Answered by ramapadhye

Answer:

Due to our rotating and rubbing on the teeth the pressure is released on that brush bristles and it turn out it shape after use.

Explanation:

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