21 Hrs
Source:
الخليج
When to replace your toothbrush
Dentists recommend changing your toothbrush every 3-4 months or when the bristles become frayed, to prevent plaque and bacteria buildup and to reduce the risk of tooth decay and gum diseases that could lead to heart problems. With continuous use, the bristles wear out and lose their effectiveness in cleaning, leading to increased accumulation of bacteria and harmful bacterial layers on the brush. It is also advised to rinse the toothbrush thoroughly after use, store it upright to dry, avoid keeping it in a closed container, and not share it with others. There is no need to replace it after recovering from the flu if it has been properly cleaned and disinfected, with the option to disinfect it using an antibacterial solution for added protection.
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