Should handle and bristle of the toothbrush be made of same material ? Explain your answer
Answers
No.
Even the handles of bristles of a toothbrush and it should be made of different materials.
Even the handle of the toothbrush should be hard as well as strong while the bristles should be soft and flexible.
On the other hand, if bristles are made of hard material then it will damage our gums.
Answer:
The handle and bristles of a tooth brush should be made of different materials. The material which is used for making toothbrush handle should be hard and flexible; because the handle has to withstand lot of stress and has to reach every corner of mouth. The material which is used for making bristles should be soft, flexible yet durable; because the bristles should not damage the tooth or gum but should last longer.
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