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I heard that toothbrushes should be replaced every 3 months, but this time frame is not absolute.
If you brush your teeth after every meal (brushing as frequently as the number of meals per day) or if you're lazy and often skip brushing your teeth at night (only completing half of the basic task of brushing twice a day, with less frequent use of the toothbrush), whether you brush your teeth lightly or vigorously, it's another matter altogether whether you should replace your toothbrush every three months or not。
3 signs reminding you to throw away your old toothbrush!
With so many things to do every day, who would remember to buy a toothbrush so clearly, let alone remember to replace it regularly? Lazy people always have lazy ways, just remember the three situations when toothbrushes appear, and you'll know it's time to replace them!
The space between the bristles has widened.
Take note that a new toothbrush will have bristles that are neat and tightly packed, giving a thorough and clean feeling after brushing. However, when you notice that the spaces between the bristles have widened, it becomes easier for dirt to accumulate and remain on your teeth after brushing.
The bristles have become deformed.
There are two types of serious deformities that toothbrush bristles can undergo. The first is when the bristles are completely askew, resembling an exploded pompadour. The second is a milder condition that requires closer observation - the bristles become deformed, soft, and bent at the tips, resulting in reduced cleaning effectiveness. It's time to replace your toothbrush if you notice either of these conditions.
Should you store your toothbrush with the bristles facing up or down?
Keeping the toothbrush head upright is a particularly good habit.
If you store your toothbrush with its bristles facing up, any residual water in the brush will drip downwards, carrying with it any remaining foam or debris. This prevents the buildup of bacteria in the densely packed bristles.
