When to Change Your Toothbrush
(HealthDayNews) -- You've had that same toothbrush a while, and it's looking more than a little frayed.
But do you really need to replace it?
Yes, according to the Academy of General Dentistry. You should change your toothbrush or electric toothbrush head before the bristles become splayed and frayed.
Not only are old toothbrushes ineffective, they may harbor harmful bacteria that can cause infections such as gingivitis and periodontitis.
In general, toothbrushes should be changed every three to four months. Sick people should change their toothbrush at the beginning of an illness and after they feel better, to prevent reinfection.
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