Most dentists agree that the toothbrush should be changed every 3 months, however 4 out of 10 people do not change their toothbrush because they still find it useful.
Studies have shown that after 3 months of regular use, a brush is less effective to remove plaque from teeth and gums, compared to a new toothbrush. The bristles lose resistance and therefore effectiveness to reach the hard-to-reach areas around the teeth.
It is also important to change the toothbrush after a cold, flu or oral or throat infection, because the germs can hide in the brush bristles and reactivate the infection. Even if you have not been sick, fungi and bacteria can develop on the brush bristles – another reason to change the brush regularly.
Among the consequences of not changing the toothbrush, the most serious and most common is poor removal of bacteria from the mouth surfaces, which can cause diseases such as gingivitis and cavities, in addition to that, it can hurt the gums or the enamel if the bristles are too hard or generate trauma when the brushing technique is too aggressive.
People prefer to buy cheap toothbrushes than going to an appointment with a dentist, although it would seem like a way to save money, in the future will be more expensive.
The most important thing to do is to go to the dentist and follow the recommendations given to you, use and change the brush according to the individual needs of your mouth, as it depends on factors such as oral health, dental alignment and the force that is exerted in brushing.
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