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You can change it once every two months.
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1. It is best to replace the toothbrush once a month, because the toothbrush is used to brush the teeth, and there will be a lot of food residue left on the tooth surface after eating. Brush your teeth with a toothbrush, even after repeated rinsing with clean water, there will still be a small amount of food residue left on the surface of the toothbrush, which is easy to be contaminated by bacteria, which may bring bacteria to the mouth after contamination, so you should replace your toothbrush regularly.
2. After brushing, it should be placed in a ventilated and dry place to avoid breeding bacteria, otherwise it is easy to cause gum or periodontal infection when brushing. Brushing teeth is an effective measure for everyone to control plaque. It takes at least three minutes to brush your teeth in the morning and evening.
Currently, the most commonly used method of brushing your teeth is Pap brushing. If your teeth are not cleaned or brushed thoroughly, it can easily lead to tooth damage, gingivitis, and periodontitis.
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Whether a newly bought toothbrush is soaked in boiling water for the first time depends mainly on personal habits. Generally, the toothbrush of regular production can be used directly after being taken out and rinsed with water; If you are not sure, you can also put an appropriate amount of salt in warm water and soak the toothbrush for 10 minutes.
Different materials of toothbrushes are treated differently, use warm water, pour two spoons of salt into the water, and put the toothbrush that needs to be cleaned into the water. It can also be soaked in vinegar for 5 minutes, because vinegar is the most common weak acid in our life, and the weak acid environment can achieve the purpose of disinfection.
Moreover, vinegar is safer than other chemical methods to disinfect as a condiment, to ensure the disinfection and softness of the toothbrush, to prevent the toothbrush from causing damage to the gums, and then rinse it with hot water.
The correct way to maintain your toothbrush is as follows:
After brushing your teeth, wash your teeth thoroughly with water, not only to wash off the remaining toothpaste and food debris on the toothbrush, but also to try to dry the water on the toothbrush, put the toothbrush head up into the mouthwash cup, and place it in a dry and ventilated place.
This is because damp toothbrushes tend to breed bacteria. Some scholars have found that whether it is a healthy person or a sick person's toothbrush, after one month of use, a large number of bacteria multiply on the toothbrush.
Toothbrushes are mostly made of nylon filament, which is easy to deform when heated, so they cannot be washed in high-temperature water, let alone sterilized by boiling. A toothbrush should not be used for a long time, it is generally replaced once a quarter, or when you find that the toothbrush bristles are curled and forked, you should replace it in time to avoid the bristles from puncturing the gums. We must adhere to the principle of one toothbrush per person.
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Try to change your toothbrush once a month; Since children like to bite the bristles, children's toothbrushes should be changed more often; Electric toothbrushes have their own vibration descaling function, so it is recommended to change the brush head for 3 to 4 months. In addition, if the following 3 signals appear, it is time to replace the toothbrush in time.
1. The root of the toothbrush becomes darker. Dirt at the root of the bristles will slowly accumulate, which is one of the causes of bacterial growth, and even washing after each use cannot completely prevent it, so once you find that the root of the toothbrush has become darker, it is a sign that there is a lot of dirt accumulation, and it should be replaced in time.
2. The tip of the toothbrush bristles is soft. Once you find that most of the bristle tips are soft, it means that the wear is too large and the teeth can no longer be cleaned well, and it should be replaced.
3. The distance between the bristles becomes larger. Usually the bristles are densely arranged between them, and if the distance between the bristles is significantly wider, dirt is more likely to remain at the root of the toothbrush, so it is best to replace it with a new one.
The regular toothbrush is changed once every 1 month, as for tooth decay. It's still changed once a month.
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Generally, an electric toothbrush can be used for 2 to 3 weeks on a single charge. Generally, it takes 2 to 3 minutes to brush your teeth once, but it can be used for about 2 weeks. Electric toothbrushes with good batteries can be used for 3 weeks, although the conversion rate of the battery is very low, but it will not cause any inconvenience to use, and the battery should be light and small, and waterproof should be considered, there will be various restrictions, and it is good to be able to use it for so long.
Replace every 1 year or 20,000 km.
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