Question

Should handle and bristle of a toothbrush be made of the same material? Explain your answer.

Answer 1

No the handles of toothbrush is not made up of the same kind of material because the bristles have to be flexible whereas body to be rigid

Answer 2

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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