How often do you change your toothbrush? 3 months? Is it correct
4hw.org: it is said on the Internet that the life span of toothbrush is 3 months, and the toothbrush should be changed every 3 months. According to different people's different use intensity, the frequency of changing toothbrush is also different. Once it is found that the color of toothbrush root becomes darker, it is a signal of more dirt accumulation, so it should be replaced in time.
We all know that toothbrush can't be used for a long time. Basically, it needs to be changed every other time. Many people will change it according to the three months written on the toothbrush. Do you really need to change the toothbrush once in three months? Can you have a set of rules that are not so rigid? Let's follow the small braid to see how long it takes to change the toothbrush!
1. The color of toothbrush root becomes darker
The dirt at the root of the brush will slowly accumulate, which is one of the reasons for the growth of bacteria. Even after each use, cleaning can not completely prevent it. Therefore, once the color of the root of the brush becomes darker, it is a signal of more dirt accumulation, which should be replaced in time.
2. When the distance between toothbrush bristles becomes larger
Generally, the bristles are densely arranged. If the distance between the bristles is significantly widened, the dirt is more likely to remain at the root of the toothbrush. It is better to replace it with a new one.
3. The tip of toothbrush is soft
Once it is found that most of the brush tips have soft collapses, indicating that the wear degree is large and the teeth can not be cleaned well, it should be replaced.
In addition, the toothbrush should be maintained at ordinary times. After brushing, the toothpaste and dirt on the toothbrush should be thoroughly cleaned. Try to put the head of the toothbrush upward after use. Keeping dry helps reduce bacteria. The location of toothbrush should also be as dry as possible, because the humid environment is more conducive to the rapid propagation of microorganisms.
It is suggested that the service life of toothbrush should not exceed 3 months, but it also varies from person to person. For example, some people use the most powerful toothbrush when they brush. In less than 3 months, the bristles of toothbrush will be bent and deformed, so they should be replaced in time, because the cleaning effect of toothbrush with bent and deformed bristles is obviously reduced. At the same time, it is easy to damage teeth and gums.